Explain how the exhaust gases are discharged from the cylinder of a two stroke cycle spark ignition engine.

Explain how the exhaust gases are discharged from the cylinder of a two stroke cycle spark ignition engine. Answer: At the bottom of the downward...

The cylinder walls of a four-stroke cycle internal combustion piston engine are often lubricated with oil splashed up from the _________. The oil is kept out of the combustion chamber by the _________.

The cylinder walls of a four-stroke cycle internal combustion piston engine are often lubricated with oil splashed up from the _________. The oil is...

In a four stroke cycle gasoline engine, each cylinder is fitted with two or more ___________ valves, held closely by _________.

In a four stroke cycle gasoline engine, each cylinder is fitted with two or more ___________ valves, held closely by _________. Answer: popp...

Ignition of the fuel in a diesel engine is achieved by means of:

Ignition of the fuel in a diesel engine is achieved by means of: a) A precisely timed glow plug b) The injector delivery valve pressure c) The heat...

Diesel engines require:

Diesel engines require: a) A spark plug in each cylinder b) A carburetor c) A Magneto d) A fuel injector e) An ignition distributor Answer: ...

Four cycle engine lubrication is usually:

Four cycle engine lubrication is usually: a) Forced by pump b) By gravity oilers c) By the scoop method d) By the dip tube method e) By grease f...

Diesel engine governing is accomplished by:

Diesel engine governing is accomplished by: a) Varying the fuel quality b) Carburetion c) Varying the fuel quantity d) Fuel atomizing air quantity e)...

In a compression ignition engine the fuel is ignited by:

In a compression ignition engine the fuel is ignited by: a) An electric spark b) The compressed air temperature c) the atomized fuel d) a cross-combustor e)...

Larger, heavier industrial engines run most efficiently with lower cooling water temps. In the absence of a specified temp these might be taken to be:

Larger, heavier industrial engines run most efficiently with lower cooling water temps. In the absence of a specified temp these might be taken to be: a)...

In a diesel engine high cylinder exhaust temperature could indicate:

In a diesel engine high cylinder exhaust temperature could indicate: a) Dirty Intake Filters b) Overloading the Cylinder c) Too Much Air To The Cylinder d)...

In reference to a 2 stroke compression engine: when exhaust is carried out through the exhaust valve in the cylinder head it is giving a _______ type of action.

In reference to a 2 stroke compression engine: when exhaust is carried out through the exhaust valve in the cylinder head it is giving a _______ type...

The most common methods of air induction are (pick 2):

The most common methods of air induction are (pick 2): a) Forced Induction b) Forced Air c) Superchargers d) Turbochargers Answer: ...

In order to get a more complete clearance of the cylinder, it is common in larger engine sizes to provide inlet air by _________, because the engine cannot draw in the necessary air by itself.

In order to get a more complete clearance of the cylinder, it is common in larger engine sizes to provide inlet air by _________, because the engine...

The removal of exhaust is called _________.

The removal of exhaust is called _________. Answer: Scavengi...

One difficulty experienced in 2 stoke engines is completely clearing the exhaust gases after one cycle before the next.

One difficulty experienced in 2 stoke engines is completely clearing the exhaust gases after one cycle before the next. True or False Answer:&nb...

The ______ Stroke: As the piston rises again in the cylinder the remaining exhaust gases are forced out through the open exhaust valve. Just before the piston reaches TDC the inlet valve is opened and the whole cycle is repeated.

The ______ Stroke: As the piston rises again in the cylinder the remaining exhaust gases are forced out through the open exhaust valve. Just before...

The ______ Stroke: hot gasses of combustion expand and force the piston down. Before it reached BDC the burning gases have expended their energy and the exhaust valve is opened to allow them to escape the cylinder.

The ______ Stroke: hot gasses of combustion expand and force the piston down. Before it reached BDC the burning gases have expended their energy and...

During the compression stroke in a diesel engine compression of the air will have raised it's temperature to _______ and pressure in the range of _________.

During the compression stroke in a diesel engine compression of the air will have raised it's temperature to _______ and pressure in the range of _________. a)...

The ______ Stroke: After the piston has passed BDC the air inlet valve is closed and compression begins as the piston rises. Shortly before TDC fuel injection begins. Under the high temp & pressure conditions the fuel will ignite almost as soon as it enters the cylinders & combines with the hot air.

The ______ Stroke: After the piston has passed BDC the air inlet valve is closed and compression begins as the piston rises. Shortly before TDC fuel...

The _______ Stroke: The inlet valve is opened just before the piston reached TDC & the exhaust valve closes just after the piston reaches TDC. This action draws a charge of air into the cylinder as the piston descends.

The _______ Stroke: The inlet valve is opened just before the piston reached TDC & the exhaust valve closes just after the piston reaches TDC. This...

Fuel is injected at high pressure directly into the engine cylinder, finely atomized & that ignition takes place without the aid of a spark. This description is referring to:

Fuel is injected at high pressure directly into the engine cylinder, finely atomized & that ignition takes place without the aid of a spark. This...

There is a camshaft in a Two-Stroke Cycle Engine.

There is a camshaft in a Two-Stroke Cycle Engine. True or False Answer: Fal...

Since the intake & exhaust functions are performed simultaneously during only a part of one stroke the Two-Stroke Cycle Engine gives a __________ every crankshaft revolution.

Since the intake & exhaust functions are performed simultaneously during only a part of one stroke the Two-Stroke Cycle Engine gives a __________...

This engine functions by utilizing 3 openings/ports in the cylinder wall which are covered & uncovered by the piston.

This engine functions by utilizing 3 openings/ports in the cylinder wall which are covered & uncovered by the piston. a) Two-Stroke Cycle Engine b)...

The _______ engine gives good fuel economy, good control at all speeds & high torque at low speeds.

The _______ engine gives good fuel economy, good control at all speeds & high torque at low speeds. a) Two b) Four Answer: ...

The ________ cycle engine is lubricated by thoroughly mixing a measured qty of special lube oil with the gasoline in the tank.

The ________ cycle engine is lubricated by thoroughly mixing a measured qty of special lube oil with the gasoline in the tank. a) Two b) Four An...

The _______ cycle engine is usually lubricated by oil in its crankcase which is either pumped under pressure to the bearing surfaces or is splashed onto them by rotation of the crank webs.

The _______ cycle engine is usually lubricated by oil in its crankcase which is either pumped under pressure to the bearing surfaces or is splashed...

The four cycle engine requires 4 strokes or ______ complete crankshaft revolutions to produce 1 power stroke.

The four cycle engine requires 4 strokes or ______ complete crankshaft revolutions to produce 1 power stroke. Answer: ...

The _____ Stroke: The exhaust valve remains open while the piston moves up & pushes out most of the remaining burned gases in prep for the next intake stroke.

The _____ Stroke: The exhaust valve remains open while the piston moves up & pushes out most of the remaining burned gases in prep for the next...

The ______ Stroke: the mix burns generating a high pressure forcing the piston down forcing the crankshaft to turn.

The ______ Stroke: the mix burns generating a high pressure forcing the piston down forcing the crankshaft to turn. a) Intake b) Compression c) Power d)...

The _______ Stroke: Inlet valve is closed & the piston moves up, compressing the mix in the combustion chamber.

The _______ Stroke: Inlet valve is closed & the piston moves up, compressing the mix in the combustion chamber. a) Intake b) Compression c) Power d)...

The ______ Stroke: The inlet vale is open while the piston moves down, drawing a mix of gas & air from the carb to the cylinder. (Gasoline Engine)

The ______ Stroke: The inlet vale is open while the piston moves down, drawing a mix of gas & air from the carb to the cylinder. (Gasoline Engine) a)...

The ______ engine has an intake stroke, compression stroke, power stroke & exhaust stroke.

The ______ engine has an intake stroke, compression stroke, power stroke & exhaust stroke. a) One Stroke b) Two Stroke c) Three Stroke d) Four...

Working cycles for internal combustion engines include 2 stroke and 4 stroke ________ ignition and _______ ignition.

Working cycles for internal combustion engines include 2 stroke and 4 stroke ________ ignition and _______ ignition. a) Heat b) Spark c) Compression d)...

Governing of this fuel is carried out by varying the fuel qty injected at each stroke.

Governing of this fuel is carried out by varying the fuel qty injected at each stroke. a) Gasoline b) Light Oil Fuels c) Natural Gas d) Propane e)...

Ignition of this fuel occurs by virtue of high temperature developed during the compression of the air.

Ignition of this fuel occurs by virtue of high temperature developed during the compression of the air. a) Gasoline b) Light Oil Fuels c) Natural Gas d)...

_______ refers to fuel oils with a higher viscosity and specific gravity and are used in an important type of high compression engine.

_______ refers to fuel oils with a higher viscosity and specific gravity and are used in an important type of high compression engine. a) Gasoline b)...

Governing for this fuel takes place by throttling the resulting air/fuel mix.

Governing for this fuel takes place by throttling the resulting air/fuel mix. a) Gasoline b) Light Oil Fuels c) Natural Gas d) Propane e) Heavy Oil...

Ignition of this fuel is achieved by spark. This fuel is in liquid form and is vaporized by being drawn through fine jets by powerful suction created by the engine on during the intake stroke.

Ignition of this fuel is achieved by spark. This fuel is in liquid form and is vaporized by being drawn through fine jets by powerful suction created...

_________ is a liquid, primarily consisting of hydrocarbons, but enhanced with benzene or iso-octanes to increase the octane rating, a measure of this fuels resistance to premature detonation which causes engine knock.

_________ is a liquid, primarily consisting of hydrocarbons, but enhanced with benzene or iso-octanes to increase the octane rating, a measure of this...

Ignition of this fuel is usually by a hot ignition tube or electric spark & governing is done by throttling of the fuel.

Ignition of this fuel is usually by a hot ignition tube or electric spark & governing is done by throttling of the fuel. a) Gasoline b) Light Oil...

Compressed methane extracted from __________ is stored, usually in cylinder for use in mobile engines.

Compressed methane extracted from __________ is stored, usually in cylinder for use in mobile engines. a) Gasoline b) Light Oil Fuels c) Natural Gas d)...

______ is generally considered an environmentally "clean" alternative to other fuels.

______ is generally considered an environmentally "clean" alternative to other fuels. a) Gasoline b) Light Oil Fuels c) Natural Gas d) Propane e) Heavy...

Which of the following is NOT one of the most commonly used fuel in internal combustion engines:

Which of the following is NOT one of the most commonly used fuel in internal combustion engines: a) Gasoline b) Light Oil Fuels c) Natural Gas d) Propane e)...

In the __________ it uses the transfer of chemical energy in fuel to create useful heat which in turn creates steam. Steam creation takes place in the boiler.

In the __________ it uses the transfer of chemical energy in fuel to create useful heat which in turn creates steam. Steam creation takes place in the...

The term ________ is applied to all engines in which the burning of fuel takes place within the engine cylinder.

The term ________ is applied to all engines in which the burning of fuel takes place within the engine cylinder. a) Diesel engine b) External combustion...

Since a steam turbine requires no ____________, the exhaust steam contains no oil and can be used as a steam supply to low pressure systems or condensed for reuse as boiler feeder water.

Since a steam turbine requires no ____________, the exhaust steam contains no oil and can be used as a steam supply to low pressure systems or condensed...

Larger, higher output machines us a shaft seal with many complex winding restrictions to the steam flow by fitting rings into the casing and shaft that form narrow passages for the steam to pass through. These are called _________________.

Larger, higher output machines us a shaft seal with many complex winding restrictions to the steam flow by fitting rings into the casing and shaft that...

There are 2 basic types of steam turbine categorized by the type of blading used. These are ______________ turbines and ______________ turbines.

There are 2 basic types of steam turbine categorized by the type of blading used.These are ______________ turbines and ______________ turbines. a)...

The stationary passage of reaction turbines is __________.

The stationary passage of reaction turbines is __________. a) The rotating blade b) On the inlet wall c) Mounted securely d) The fixed blade Ans...

A steam turbines exhaust can often supply a process with steam because _________.

A steam turbines exhaust can often supply a process with steam because _________. a) The pressure is still sufficient after passing through the turbine b)...

If a vibration occurs during start up of a turbine what should happen:

If a vibration occurs during start up of a turbine what should happen: a) slowly power down the turbine b) monitor for more extreme vibration c) shut...

The vast majority of turbine governors are of _____________ type.

The vast majority of turbine governors are of _____________ type. a) Coil b) Electric sensor c) Centrifugal Mechanical d) Spring Mechanical Answ...

Which of the following are important functions served by the condenser:

Which of the following are important functions served by the condenser: a) During condensing a vacuum is produced = pressure INCREASE resulting in...

Place the overall boiler-turbine cycle in the correct order:

Place the overall boiler-turbine cycle in the correct order: a) It them flows through the turbine & develops power to drive an electric generator. b)...

The ___________ is designed to protect the machine against catastrophic wreck of the turbine caused by increased speed above the specified maximum.

The ___________ is designed to protect the machine against catastrophic wreck of the turbine caused by increased speed above the specified maximum. a)...

Preventing escaping steam along the shaft by creating pressure breakdowns that reduces steam leakage is not exactly the key feature of the Labyrinth Ring.

Preventing escaping steam along the shaft by creating pressure breakdowns that reduces steam leakage is not exactly the key feature of the Labyrinth...

High output machines, operating with high temp, high pressure steam usually utilize ________ type glands to prevent the escape of steam along the shaft.

High output machines, operating with high temp, high pressure steam usually utilize ________ type glands to prevent the escape of steam along the shaft. a)...

What is the purpose of the garter springs on the carbon packing rings?

What is the purpose of the garter springs on the carbon packing rings? a) Hold Packing in place axially b) Permit slight radial movement for concentric...

Journal Bearings are used to take the _______ of the shaft whereas Thrust bearings take the _______.

Journal Bearings are used to take the _______ of the shaft whereas Thrust bearings take the _______. a) Axial Load b) Horizontal Load c) Radial Load d)...

The thrust bearing controls axial movement in the shaft by using oil Pressure in the journal bearing creating an oil wedge between the faces & thrust runner. This keeps turbine shaft in correct longitudinal position.

The thrust bearing controls axial movement in the shaft by using oil Pressure in the journal bearing creating an oil wedge between the faces & thrust...

What is the purpose of supplying more oil to the bearing than they need for only lubrication?

What is the purpose of supplying more oil to the bearing than they need for only lubrication? a) Prevent loss of lubrication b) Heat Control c) Keep...

Why is it important to segregate the high pressure and high temperature steam from the wheel casing?

Why is it important to segregate the high pressure and high temperature steam from the wheel casing? a) Limit shaft misalignment due to expansion b)...

The _______ is located on the governor with a normal range of 10% above and 50% below the rated speed.

The _______ is located on the governor with a normal range of 10% above and 50% below the rated speed. a) Static Speed Control b) Floating Speed Control c)...

At rest the governor valve is _________ to prevent accidental startup.

At rest the governor valve is _________ to prevent accidental startup. a) Open b) Closed Answer: ...

In what ways is sticking prevented in the governor?

In what ways is sticking prevented in the governor? a) High sensitivity - constant motion prevents sticking b) Lubrication c) Spaces in the joints d)...

The ______ is standard equipment and hydraulically operated, directly driven from the turbine shaft and mechanically sensing. It controls the steam flow by adjusting the control valve.

The ______ is standard equipment and hydraulically operated, directly driven from the turbine shaft and mechanically sensing. It controls the steam...

Put the following steps of over-speed trip on a turbine in order:

Put the following steps of over-speed trip on a turbine in order: a) Motor speed reduces & centrifugal force is not enough to hold the plunger...

What is the normal tripping speed on a turbine?

What is the normal tripping speed on a turbine? a) 5-10% Over the Rated Speed b) 7-10% Over the Rated Speed c) 10-15% Over the Rated Speed d) 15-20%...

The top half may be removed without disturbing any other part or piping connections. The _______ has true center line support. There are no internal high-pressure joints and it is subject to exhaust pressure only.

The top half may be removed without disturbing any other part or piping connections. The _______ has true center line support. There are no internal...

Inner and outer of ends of blades are stainless steel shrouded to confine steam to the blade passage and stiffen the blades against vibration. This is a description of _________.

Inner and outer of ends of blades are stainless steel shrouded to confine steam to the blade passage and stiffen the blades against vibration. This...

_____ are durable, rolled & drawn stainless steel, securely held in machined slots in the wheel rim by drive screws.

_____ are durable, rolled & drawn stainless steel, securely held in machined slots in the wheel rim by drive screws. a) Glands b) Blades c) Bearings d)...

The ________ consists of a carefully machined and balanced forged steel disc pressed over a key on a completely ground _________.

The ________ consists of a carefully machined and balanced forged steel disc pressed over a key on a completely ground _________. a) Glands b) Bearings c)...

What is the primary purpose of the placement of glands in a turbine?

What is the primary purpose of the placement of glands in a turbine? a) To contain oil from the wheel case along the shaft b) To make the glands accessible...

The _______ consist of several adjacently mounted sentimental carbon rings, each maintained in close contact with the shaft by a garter spring and located in its own independent groove.

The _______ consist of several adjacently mounted sentimental carbon rings, each maintained in close contact with the shaft by a garter spring and located...

The _________ have a split sleeve and oil ring with a precision bored high grade Babbitt.

The _________ have a split sleeve and oil ring with a precision bored high grade Babbitt. a) Glands b) Bearings c) Rotor d) Shaft Answer: ...

How are bearing lubricated?

How are bearing lubricated? a) Splash Method b) Bearings don't need lubrication c) A nozzle squirts on them d) Oil rings rotated by the shaft to bring...

Most large steam turbines us a combination of impulse rotors and reaction rotors.

Most large steam turbines us a combination of impulse rotors and reaction rotors. True or False Answer: Tr...

Blades created to allow a steam pressure drop in order to produce an increase in steam speed causing a back thrust on the blading. This is a description of:

Blades created to allow a steam pressure drop in order to produce an increase in steam speed causing a back thrust on the blading. This is a description...

Space between blades not allow any steam pressure to drop as it passes through. All of the thrust from the steam on the blades comes from the change in momentum of the steam as it changes direction to follow the shape of the blades. This is a description of:

Space between blades not allow any steam pressure to drop as it passes through. All of the thrust from the steam on the blades comes from the change...

The nozzle rotates expelling steam over stationary blades, these then use the steam pressure & change in direction of the steam to create a force on a rotating set of blades. This turbine sees very little drop in pressure and therefore is very efficient. This is a description of:

The nozzle rotates expelling steam over stationary blades, these then use the steam pressure & change in direction of the steam to create a force...

Stationary nozzles direct steam against rotating blades. It uses the steam pressure & blade shape to propel the blades. Has moving buckets but a fixed nozzle. As speed of the turbine increases, pressure decreases. Blade speed is directly affected by pressure. This is a description of:

Stationary nozzles direct steam against rotating blades. It uses the steam pressure & blade shape to propel the blades. Has moving buckets but a...

The main difference between an IMPULSE & REACTION turbine is the way steam is expanded through the turbine stages. When the steam pressure drops in passing through moving blades & stationary nozzles or blades.

The main difference between an IMPULSE & REACTION turbine is the way steam is expanded through the turbine stages. When the steam pressure drops...

The main difference between an IMPULSE & REACTION turbine is the way steam is expanded through the turbine stages. When the entire steam pressure drop takes place in the stationary nozzles it is describing a:

The main difference between an IMPULSE & REACTION turbine is the way steam is expanded through the turbine stages. When the entire steam pressure...

What are the 2 types of steam turbines?

What are the 2 types of steam turbines? a) Rotary b) Reaction c) Impulse d) Aero-Derivative Answer: ...

In simple terms; the ________ operates through the action of a flow of steam directed by stationary nozzles or blades onto rings of rotating blades.

In simple terms; the ________ operates through the action of a flow of steam directed by stationary nozzles or blades onto rings of rotating blades. a)...

Which are advantages of a steam turbine over a steam engine or diesel engine

Which are advantages of a steam turbine over a steam engine or diesel engine a) Reliable operation b) Start-up times c) Simple design d) Low maintenance...