What piece of equipment was developed to provide temperature control in individual rooms in buildings such as hotels?

What piece of equipment was developed to provide temperature control in individual rooms in buildings such as hotels? a) a rooftop unit b) a window...

What type of heat exchanger is a heat pipe recovery unit?

What type of heat exchanger is a heat pipe recovery unit? a) cross flow, air to water b) counter flow, water to air c) parallel flow, air to air d)...

Air conditioning heat recovery methods include:

Air conditioning heat recovery methods include:  1. the runaround system 2. the solar collector system 3. the tempered intake system 4. the thermal...

In an induction type combined air conditioning system, where is the air filtered?

In an induction type combined air conditioning system, where is the air filtered? a) in the induction unit b) in the make-up unit c) in the low velocity...

A type of fan, which is well suited for air handling units which require two or more fans on the same shaft and low rotation speed is the _________.

A type of fan, which is well suited for air handling units which require two or more fans on the same shaft and low rotation speed is the _________. a)...

What other system is a single zone, constant air volume air conditioning system similar to?

What other system is a single zone, constant air volume air conditioning system similar to? a) multi-zone system b) dual duct system c) rooftop unit...

With a counterflow arrangement of air and water:

With a counterflow arrangement of air and water: a) the water supply connection is on the same side as the entering air b) it decreases the heat transfer...

Building a high velocity terminal reheat central air conditioning system allows for what?

Building a high velocity terminal reheat central air conditioning system allows for what? a) The use of smaller ducts b) The use of smaller fans c)...

Which is not a disadvantage of a heat pipe recovery system?

Which is not a disadvantage of a heat pipe recovery system? a) they are more expensive than the runaround system b) a large space is required c) relatively...

What type of piping systems may be used in a "Fan-coil Unit with Make-up Air" type combined air conditioning system?

What type of piping systems may be used in a "Fan-coil Unit with Make-up Air" type combined air conditioning system?  1. one-pipe 2. two-pipe 3....

What is often done when the required temperature rise through a steam preheat coil exceeds 18 oC?

What is often done when the required temperature rise through a steam preheat coil exceeds 18 oC? a) hotter steam is used b) a separately fired heating...

One of the following is not a property of a good heat transfer oil :

One of the following is not a property of a good heat transfer oil : a) high specific heat b) low pour point c) good load bearing properties d) high...

All power engineers should become familiar with workplace safety standards laid down and enforced by:

All power engineers should become familiar with workplace safety standards laid down and enforced by: a) ABSA b) SER c) ERCB d) ACB e) WCB Ans...

A lean amine solution contains little:

A lean amine solution contains little: a) water b) amine c) nitrogen d) H2S e) hydrocarbon Answer: ...

Smelt liquor used in the Kraft pulp process is a mixture of:

Smelt liquor used in the Kraft pulp process is a mixture of: a) sodium lignite b) soda solids c) sodium sulfite d) sodium hydroxide e) molten smelt...

The minimum mounting height for a louvre in most snowfall area is ______.

The minimum mounting height for a louvre in most snowfall area is ______. a) 1.0 m b) 1.5 m c) 2.0 m d) 2.5 m e) 3.0 m Answer: ...

What is a drop in humidity in a controlled space sensed by?

What is a drop in humidity in a controlled space sensed by? a) a pressurestat b) a humidistat c) thermostat d) a water sensor e) the humidifier ...

This type of unitary air conditioning system incorporates heating/cooling coils along with boilers and chillers.

This type of unitary air conditioning system incorporates heating/cooling coils along with boilers and chillers. a) window air conditioner b) packaged...

Power consumption reduction of a fan motor can be best achieved by __________.

Power consumption reduction of a fan motor can be best achieved by __________.  a) direct drive b) forward curved fan c) v-belt drive d) volume...

The maximum temperature of oil which can be pumped by a hot oil pump if teflon is used as a non-metallic part of the mechanical seal is:

The maximum temperature of oil which can be pumped by a hot oil pump if teflon is used as a non-metallic part of the mechanical seal is: a) 100 degrees...

A gas sweetening unit in an oil refinery

A gas sweetening unit in an oil refinery a) uses heat only to drive off the hydrogen sulphide from the sour gas b) uses an amine contactor to absorb...

The purpose of a reformer in an oil refinery is

The purpose of a reformer in an oil refinery is a) to cause the molecular structure of the naphtha to change so that the octane rating is increased...

A diesel hydrotreater in an oil refinery

A diesel hydrotreater in an oil refinery a) removes the sulphur and nitrogen compounds before the naphtha goes to the platformer b) removes the water...

The purpose of the naphtha hydrotreater in an oil refinery is

The purpose of the naphtha hydrotreater in an oil refinery is a) to remove the hydrogen sulphide and nitrogen from the diesel b) to remove the sulphur...

The purpose of the fluid catalytic cracking unit (F.C.C.U.) in an oil refinery is

The purpose of the fluid catalytic cracking unit (F.C.C.U.) in an oil refinery is a) to receive the crude oil and recover more gas oils by further...

The purpose of the vacuum unit in an oil refinery is

The purpose of the vacuum unit in an oil refinery is a) to receive the "reduced crude" and recover more gas oils by further distilling under high...

The overall purposes of an oil refinery are to

The overall purposes of an oil refinery are to a) only remove the crude oil contaminants such as water and hydrogen sulphide b) only process the crude...

Which of the following is not a steam user in a meat processing plant?

Which of the following is not a steam user in a meat processing plant? a) edible and inedible rendering plants b) building heating c) sanitation on...

Hog fuel is a term used to describe a

Hog fuel is a term used to describe a a) very poor quality of fuel oil used as boiler fuel in sawmills b) mixture of waste wood and bark used as boiler...

Kiln-dried lumber refers to drying lumber

Kiln-dried lumber refers to drying lumber a) by air seasoning b) by stacking it in layers so that each surface receives natural air currents c) by...

The main disadvantage of a sawmill gang saw is

The main disadvantage of a sawmill gang saw is a) the logs cannot be turned, nor the thickness varied b) it produces a very small volume of smoothly...

Wood pulp production by chemical means, requires the removal of __________, in order to obtain the cellulosic fibre.

Wood pulp production by chemical means, requires the removal of __________, in order to obtain the cellulosic fibre. a) pentosan b) lignin c) sugar d)...

The raw material used in pulp and paper mills is

The raw material used in pulp and paper mills is a) water b) chemicals c) bark d) wood chips e) bleach Answer: ...

In the kraft process, the chipped wood is further processed in one of the following:

In the kraft process, the chipped wood is further processed in one of the following: a) recovery boiler b) bleacher c) press d) hogger e) digester...

The two chief methods of chemical pulping are:

The two chief methods of chemical pulping are: 1. the sulphite process 2. the phosphate process 3. the sulphate process 4. the sodium carbonate process a)...

The two types of wood pulping processes are the mechanical and the

The two types of wood pulping processes are the mechanical and the a) thermal b) industrial c) hydraulic d) triple train e) chemical Answer:&n...

The purpose of dehydration in natural gas treatment plants is

The purpose of dehydration in natural gas treatment plants is a) to remove water vapour and remaining hydrocarbon condensates from the main gas stream b)...

The purpose of stabilization in natural gas treatment plants is

The purpose of stabilization in natural gas treatment plants is a) to stabilize the gas from the contactor b) to flash off the gases at low pressure...

The removal of hydrogen sulphide and carbon dioxide from the natural gas

The removal of hydrogen sulphide and carbon dioxide from the natural gas a) is done by boiling the gas b) is done in the inlet separator c) is done...

The purpose of the absorber in a natural gas plant is to

The purpose of the absorber in a natural gas plant is to a) remove condensates from the gas b) absorb all the hydrocarbons from the gas c) scrub the...

The purpose of an inlet separator in a natural gas plant is

The purpose of an inlet separator in a natural gas plant is a) the removal of undissolved gases from the hydrocarbons b) the removal of liquids from...

The contaminants in a natural gas may include

The contaminants in a natural gas may include a) hydrogen sulphide b) pentane c) hexane d) methane e) oxygen Answer: ...

Hydrocarbons in a natural gas may include

Hydrocarbons in a natural gas may include a) carbon dioxide b) ethane c) nitrogen d) hydrogen sulphide e) carbonic acid Answer: ...

The authority charged with responsibility for drafting regulations to cover the use of natural gas is the

The authority charged with responsibility for drafting regulations to cover the use of natural gas is the a) American Society of Mechanical Engineers b)...

Indicate which extinguishing agents are most suitable for hot oil fires.

Indicate which extinguishing agents are most suitable for hot oil fires. a) water only b) foam and dry chemical c) carbon dioxide gas d) a wet blanket e)...

During shutdown, oil heater pilots and main burners are checked for

During shutdown, oil heater pilots and main burners are checked for a) setting b) temperature c) pressure d) cleanliness e) flame pattern Answ...

Cracks in the refractory of a hot oil heater may indicate that

Cracks in the refractory of a hot oil heater may indicate that a) a poor quality of refractory has been used b) there may have been hot spots at this...

It is important to drain an hot oil heater prior to attempting a radiographic inspection, because

It is important to drain an hot oil heater prior to attempting a radiographic inspection, because a) oil and coke appear similar on the x-ray picture b)...

The presence of coke deposits in a heater tube can be confirmed by

The presence of coke deposits in a heater tube can be confirmed by a) attempting to roll a ball through the suspected bad tube b) rattling the tube...

Coke deposits on the inner walls of a heater tube produce __________ when the tube is tapped lightly with a hammer?

Coke deposits on the inner walls of a heater tube produce __________ when the tube is tapped lightly with a hammer? a) a clear ringing tone b) a dull...

A high flash point in oil reduces the risk of

A high flash point in oil reduces the risk of a) pump cavitation b) condensation c) vapour bubble formation d) heat transfer e) fire Answer:&...

In order not to be harmful to the metals used in hot oil systems the thermal fluid must

In order not to be harmful to the metals used in hot oil systems the thermal fluid must a) be kept at a low temperature b) have a neutral pH value c)...

____________ are required to prevent oil from spreading beyond the confines of a heater in the event of a ruptured tube.

____________ are required to prevent oil from spreading beyond the confines of a heater in the event of a ruptured tube. a) Moats b) Dikes c) Tunnels d)...

Vapour bubbles in a pump can cause the pump to

Vapour bubbles in a pump can cause the pump to a) deteriorate b) rotate c) stall d) decoy e) cavitate Answer: ...

In order to keep some hot oil flowing backwards through a standby pump and around the discharge check valve, it is important that the ____________ valve be left open.

In order to keep some hot oil flowing backwards through a standby pump and around the discharge check valve, it is important that the ____________ valve...

Most heater fuel controls are ____________ to prevent pilot burner fuel supply if hot oil flow is below a preset limit.

Most heater fuel controls are ____________ to prevent pilot burner fuel supply if hot oil flow is below a preset limit. a) locked b) interlocked c)...

Hot oil high temperature (TSDH1) shutdown switches are installed on

Hot oil high temperature (TSDH1) shutdown switches are installed on a) the fuel gas line b) the inlet line of the oil heater c) the suction line of...

Low oil flow shutdowns (FSDL) are usually installed

Low oil flow shutdowns (FSDL) are usually installed a) on the inlet line of the oil heater b) on the outlet line of the oil heater c) on the pump...

A low hot oil flow shutdown (FSDL) ____________ installed in the outlet line of an oil heater.

A low hot oil flow shutdown (FSDL) ____________ installed in the outlet line of an oil heater. a) is almost always b) is always c) is sometimes d)...

The automatic shutdown devices on a hot oil system are called

The automatic shutdown devices on a hot oil system are called a) interlocks b) locksmiths c) fail safe locks d) lock-ups e) circuit breakers ...

The safety valve discharge on a hot oil system returns to

The safety valve discharge on a hot oil system returns to a) the pump suction b) the surge tank c) a unit user d) the process system e) the pump casing...

How far from a furnace heater dike is the drain pit located?

How far from a furnace heater dike is the drain pit located? a) about 75 meters b) about 100 meters c) about 25 meters d) about 40 meters e) about...

Compatibility of oils is determined by

Compatibility of oils is determined by a) analysis b) reading the labels c) electrolysis d) diagnosis e) smelling a sample Answer: ...

With regard to oil leaving each heater pass, of particular importance is the

With regard to oil leaving each heater pass, of particular importance is the a) pressure b) volume c) velocity d) temperature e) flash point A...

What piece of equipment in a hot oil system requires the most operator attention?

What piece of equipment in a hot oil system requires the most operator attention? a) the hot oil user b) the flame detector c) the heater d) the burner...

While refractory is drying in a heater, circulated oil in the tubes is

While refractory is drying in a heater, circulated oil in the tubes is a) allowed to rise in temperature at not more than 55 degrees Celsius per hour b)...

Temperature rise in a hot oil system during the period that the refractory is drying out is allowed at a rate of

Temperature rise in a hot oil system during the period that the refractory is drying out is allowed at a rate of a) not more than 55 degrees Celsius...

A hot oil pump suction strainer should be inspected and cleaned after how long, following initial circulation of oil through the system?

A hot oil pump suction strainer should be inspected and cleaned after how long, following initial circulation of oil through the system? a) 5 - 6...

How long should the circulating pump be run to ensure the system is full when filling a hot oil system?

How long should the circulating pump be run to ensure the system is full when filling a hot oil system? a) 1 or 2 hours b) 3 or 4 hours c) 9 or 10...

When filling a hot oil system with oil and replacing nitrogen gas used to purge air from the system, _________ should be followed.

When filling a hot oil system with oil and replacing nitrogen gas used to purge air from the system, _________ should be followed. a) a line b) a...

The vapour space of the surge tank is

The vapour space of the surge tank is a) a separate compartment in the tank where gas is separated from the oil b) the section where the oil can bubble c)...

Small diameter pipe used in building hot oil systems is

Small diameter pipe used in building hot oil systems is a) 25.4 mm or smaller b) 34.5 mm or smaller c) 45.2 mm or smaller d) 52.4 mm or smaller e)...

Petroleum oils are widely used as heat transfer media for systems operating up to

Petroleum oils are widely used as heat transfer media for systems operating up to a) 290 degrees Celsius b) 190 degrees Celsius c) 390 degrees Celsius d)...

To avoid start-up difficulties in cold weather a thermal fluid must have

To avoid start-up difficulties in cold weather a thermal fluid must have a) a low pour point b) antifreeze added to it c) methanol injected into it...

An oil used as thermal transfer fluid must not only be readily available, it must also be at

An oil used as thermal transfer fluid must not only be readily available, it must also be at a) low cost b) all costs c) cost d) reasonable cost e)...

A hot oil pump suction is located

A hot oil pump suction is located a) above the surge tank b) level with the surge tank c) inside the surge tank d) below the surge tank level e) at...

The flow through an oil heater is controlled

The flow through an oil heater is controlled a) automatically b) manually c) proportionally d) generally e) by pressure changes Answer: ...

The maximum temperature of oil which can be pumped by a hot oil pump if teflon is used as a non-metallic part of the mechanical seal is

The maximum temperature of oil which can be pumped by a hot oil pump if teflon is used as a non-metallic part of the mechanical seal is a) 100 degrees...

A non-metallic part of a mechanical seal might be made from

A non-metallic part of a mechanical seal might be made from a) asbestos b) teflon c) fibreglass d) rubber e) carbon Answer: ...

Hot oil convection heaters have an approximate efficiency of

Hot oil convection heaters have an approximate efficiency of a) 80 - 90 percent b) 55 - 65 percent c) 85 - 95 percent d) 70 - 80 percent e) 75 - 85...

The approximate efficiency of a hot oil radiant heater is

The approximate efficiency of a hot oil radiant heater is a) 25 - 35% b) 50 - 60% c) 30 - 40% d) 40 - 50% e) 45 - 65% Answer: ...

The most common oil heater is the combination of the radiant and ________________ type.

The most common oil heater is the combination of the radiant and ________________ type. a) convection b) conduction c) superheat d) reheater e) portable...

The most important piece of equipment of a hot oil system is

The most important piece of equipment of a hot oil system is a) the heater b) the pump c) the surge tank d) the UV e) the burner Answer: ...

The inner walls and floor of a furnace in a fired heater, are usually lined with

The inner walls and floor of a furnace in a fired heater, are usually lined with a) fibreglass bales b) asbestos blocks c) ceramic tile d) refractory...

The gas burners of a horizontal rectangular direct-fired oil heaters, are located

The gas burners of a horizontal rectangular direct-fired oil heaters, are located a) on the floor of the furnace b) in the ceiling of the furnace c)...

The convection tubes of a typical up-draft model fired heater are located in the

The convection tubes of a typical up-draft model fired heater are located in the a) firebox b) stack c) radiant zone d) breeching e) refractory lining...

The most typical fired heater model is the

The most typical fired heater model is the a) down-draft b) dual-draft c) up-draft d) balanced-draft e) induced-draft Answer: ...

The most commonly applied oil heater, is the combination convection and __________ type heater because of its efficiency.

The most commonly applied oil heater, is the combination convection and __________ type heater because of its efficiency. a) superheater b) conduction c)...

The __________ type tubes have fins on their outer surfaces.

The __________ type tubes have fins on their outer surfaces. a) looped b) extended c) firetube d) flared e) tangential Answer: ...

Extended type tubes used with oil heaters are tubes

Extended type tubes used with oil heaters are tubes a) which have been expanded b) which have extensions attached c) with fins on their outer surfaces d)...

In hot oil heaters, hot gases moving through the furnace transfers the heat to

In hot oil heaters, hot gases moving through the furnace transfers the heat to a) a conduction heater b) a convection heater c) a radiant heater d)...

The most popular acid for boiler cleaning is

The most popular acid for boiler cleaning is a) sulphuric b) hydrochloric c) phosphoric d) nitric e) chelate Answer: ...

An inhibitor, when added to acid, will

An inhibitor, when added to acid, will a) minimize the effect the acid has on the metal b) make the acid compatible with the sewer system for disposal c)...

A relatively new and safer chemical used in boiler cleaning and treatment is

A relatively new and safer chemical used in boiler cleaning and treatment is a) chelates b) trisodium phosphate c) sodium hydroxide d) caustic soda e)...

For an alkaline boil out, the boiler is maintained at a desired steam pressure for about

For an alkaline boil out, the boiler is maintained at a desired steam pressure for about a) 12 hours b) 8 hours c) 16 hours d) 48 hours e) 24 hours...

Chemical cleaning of smaller boilers is not usually done because

Chemical cleaning of smaller boilers is not usually done because a) of the small surface area which the chemical contacts b) of the thin metal of...

A hydrostatic test on a high pressure steam boiler

A hydrostatic test on a high pressure steam boiler a) must be done on a new boiler b) must only be done by the inspector c) will test the high pressure...

A boiler inspection

A boiler inspection a) must be done after every shut down of the boiler b) must be done when the boiler inspector requests it c) must be done every...

The external inspection of a boiler

The external inspection of a boiler a) may include making sure the valves are in good operating condition b) may include making sure the furnace refractory...

One of the legal responsibilities of the engineer during an inspection is to

One of the legal responsibilities of the engineer during an inspection is to a) be in possession of an inspection certificate b) point out any known...

Before cleaning the waterside and as far as is possible

Before cleaning the waterside and as far as is possible a) a visual inspection of pressure parts should be completed b) all drum internals should...

When cooling down a steam boiler that has been taken out of service, a vent valve on the steam drum should be opened to

When cooling down a steam boiler that has been taken out of service, a vent valve on the steam drum should be opened to a) prevent a vacuum from forming...

Just before entering the waterside of the boiler it is important to

Just before entering the waterside of the boiler it is important to a) notify the inspector in writing of your intent to do so b) ensure the chief...

When the boiler is removed from service, it can be drained once the temperature reaches approximately

When the boiler is removed from service, it can be drained once the temperature reaches approximately a) 150 degrees C b) 30 degrees C c) 50 degrees...

One of the main purposes of an external inspection is to

One of the main purposes of an external inspection is to a) observe operation and maintenance practices b) check the plant records, log books, etc. c)...

A tube beading tool

A tube beading tool a) is used on watertube boilers b) is used on firetube boilers c) is used to fasten the stays in the tube sheet d) is used to...

The purpose of annealing tube ends is

The purpose of annealing tube ends is a) to post heat the tube ends b) to harden the tube ends c) to prevent the ends from burning d) to obtain a...

The final step in replacing a firetube is

The final step in replacing a firetube is a) a light re-expansion b) filling the boiler with water and checking for leaks c) applying a hydrostatic...

When replacing a firetube in a tubesheet, the tube should extend beyond the tubesheet

When replacing a firetube in a tubesheet, the tube should extend beyond the tubesheet a) 5 mm b) one tube wall thickness c) 10 mm d) two tube wall...

Before a welder is allowed to weld on a boiler he must have a

Before a welder is allowed to weld on a boiler he must have a a) certificate of qualification b) certain minimum number of years experience c) performance...

When working inside a steel heating boiler, which of the following safety precautions should you take?

When working inside a steel heating boiler, which of the following safety precautions should you take? 1. boiler must be cooled and vented 2. valves...

A water tank should be installed above the boiler and attached to the vent connection during a wet lay up in order to

A water tank should be installed above the boiler and attached to the vent connection during a wet lay up in order to a) permit the injection of chemicals b)...

A substance which will absorb humidity inside a boiler during dry lay up is

A substance which will absorb humidity inside a boiler during dry lay up is a) zeolite b) sodium sulphite c) sodium chloride d) activated alumina e)...

A black light crack detection utilizes ultraviolet light and

A black light crack detection utilizes ultraviolet light and a) iridescent powder b) an infrared solution c) a radium solution d) fluorescent penetrant e)...

When the fireside of a boiler is first opened up, small leak seepage spots can be detected by

When the fireside of a boiler is first opened up, small leak seepage spots can be detected by a) ultraviolet light b) white salt deposits resulting...

When plugging off a tube in a boiler, the plug taper should be

When plugging off a tube in a boiler, the plug taper should be a) 2 to 1 b) 5 to 1 c) 7.5 to 1 d) 10 to 1 e) 20 to 1 Answer: ...

Manway gaskets should be coated with an anti-seize compound

Manway gaskets should be coated with an anti-seize compound a) which will act as a sealant and prevent leakage b) so the gasket will harden and set...

A boiler circulating pump gland should have some leakage

A boiler circulating pump gland should have some leakage a) to prevent the packing from drying out b) so that the shaft sleeve will take the wear c)...

Machine bolts are most commonly supplied with

Machine bolts are most commonly supplied with a) pan heads b) oval heads c) Truss heads d) hexagon heads e) square heads Answer: ...

Mechanical steel fasteners that are commonly used in the automotive industry and on various plant machinery are classed as

Mechanical steel fasteners that are commonly used in the automotive industry and on various plant machinery are classed as a) carriage bolts b) machine...

Castle nuts are used

Castle nuts are used a) to lock the bolt in place b) to hold shims in place c) with a square pin d) for locking square nuts in place e) with a split...

To prevent damage to a work surface while fastening

To prevent damage to a work surface while fastening a) do not over-tighten a nut b) use castle nuts only c) use toothed lock washers d) use flat washers e)...

An M24 course thread bolt has

An M24 course thread bolt has a) 3 threads per mm b) 3.5 threads per mm c) 3 mm per thread d) 3.5 mm per thread e) 2 mm per thread Answer:&nbs...

Stove bolt nuts are usually

Stove bolt nuts are usually a) hexagonal b) square c) fine thread d) self locking e) left hand thread Answer: ...

The clove hitch is used for attaching a rope to pull

The clove hitch is used for attaching a rope to pull a) at right angles b) vertically c) horizontally d) straight e) upwards Answer: ...

What factor of safety should be used, to determine safe load for a new fibre rope?

What factor of safety should be used, to determine safe load for a new fibre rope? a) 10 b) 5 c) 7 d) 4 e) 3 Answer: ...

Natural ropes are made of

Natural ropes are made of a) nylon b) polyethylene c) manila d) dacron e) polyvinyl chloride Answer: ...

Eye bolts should be

Eye bolts should be a) threaded with fine threads only b) shackled when more than two are used c) angled so the load is applied non-axially d) hot...

When joining two ropes of different diameters we use a

When joining two ropes of different diameters we use a a) reef knot b) sheet bend c) figure eight knot d) sheep shank e) round turn and three half...

A knot used to pull at right angles to a pipe or pole is the

A knot used to pull at right angles to a pipe or pole is the a) timber hitch b) round turn and two half hitches c) bowline d) reef knot e) clove...

In order to keep rope from untwisting under load

In order to keep rope from untwisting under load a) it should be moistened b) it requires a synthetic binder c) it is made with left- and right-handed...

A strand of fibre rope is

A strand of fibre rope is a) at least 20 metres in length b) composed of fibres twisted right-handed c) the smallest component of the rope d) composed...

An eye made by using a Crosby clip will have a strength factor of

An eye made by using a Crosby clip will have a strength factor of a) 80% b) 50% c) 95% d) 75% e) 90% Answer: ...

Wire rope classified as 8 x 12 means it has

Wire rope classified as 8 x 12 means it has a) a factor of safety of 8 and is 12 metres long b) a factor of safety of 12 and is 8 metres long c) 8...

The approximate mass of a 15 cm "I" beam is

The approximate mass of a 15 cm "I" beam is a) 20 kg per running metre b) 60 kg per running metre c) 30 kg per running metre d) 26 kg per running...

Safe practice in rigging, when calculating weight of objects, should be accurate within plus or minus __________ for light objects.

Safe practice in rigging, when calculating weight of objects, should be accurate within plus or minus __________ for light objects. a) 5% b) 15% c)...

To determine the mass of an object you may

To determine the mass of an object you may a) calculate its area b) calculate its length c) use specification sheets d) determine the volume of the...

The most common method of getting a reasonable idea of an object's __________ is by estimating it.

The most common method of getting a reasonable idea of an object's __________ is by estimating it. a) size b) shape c) density d) mass e) specific...

Whenever two or more sling eyes are used in lifting an object they should be

Whenever two or more sling eyes are used in lifting an object they should be a) of equal strength b) spaced evenly regardless of the object's centre...