The maximum % error we should use when calculating the mass of a light object is
a) 3
b) 5
c) 10
d) 15
e) 20
Answer: E
The maximum % error we should use when calculating the mass of a light object is
a) 3
b) 5
c) 10
d) 15
e) 20
Answer: E
Showing posts with label Power Engineering Chapter 138. Show all posts
Showing posts with label Power Engineering Chapter 138. Show all posts
a) 3
b) 5
c) 10
d) 15
e) 20
Answer: E
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 metre
e) 37 kg per running metre
Answer: D
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 gravity
Answer: D
Prior to hoisting an object it is best to
Prior to hoisting an object it is best to
a) know the route required
b) know or calculate the mass
c) measure its length
d) attach at least two slings
e) measure the width
Answer: B
WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and __________.
WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and __________.
a) square
b) straight
c) without braces
d) vibration free
e) level
Answer: E
Platforms should have a __________ edge going around them to prevent objects from rolling off.
Platforms should have a __________ edge going around them to prevent objects from rolling off.
a) square
b) wire
c) metal
d) raised
e) magnetic
Answer: D
Ladders constructed on the job must comply with the
Ladders constructed on the job must comply with the
a) WCB suggestions
b) ASME codes
c) CSA codes
d) fire department's by-laws
e) WCB regulations
Answer: E
A single-pole scaffold:
A single-pole scaffold:
a. Is prohibited from use by the Provincial Workplace Safety and Health departments
b. Must be constructed of metal only
c. Is partially supported by a building
d. Must have supporting rigging attached to it
e. Need not be plumb, but must be level
Answer: C
Which one of these government agencies or regulations covers several aspects of work platforms?
Which one of these government agencies or regulations covers several aspects of work platforms?
a. Boilers and Pressure Vessels Branch
b. Workers' Compensation Board Accident Prevention Regulations
c. Hoisting and Rigging Regulations
d. Industrial Accident Prevention Association
e. Hoisting and Elevator Regulations
Answer: B
The most accurate way to determine the mass of an object, prior to attempting to hoist it, is to
The most accurate way to determine the mass of an object, prior to attempting to hoist it, is to
a. Test lift it
b. Err on the side of caution
c. Use the manufacturer's original specification sheets
d. Determine the volume of the material
e. Check its relative density
Answer: C
When two or more sling eyes are used when lifting an object, they should be:
When two or more sling eyes are used when lifting an object, they should be:
a. Of equal strength
b. Placed directly on the bottom hook
c. Held in a shackle
d. Used only with a come-along
e. Fastened with a wire rope clip
Answer: C
If possible, you should not work any higher than _____ steps from the top of a ladder.
If possible, you should not work any higher than _____ steps from the top of a ladder.
a. Three
b. Two
c. One
d. Four
e. Five
Answer: A
When using a step ladder, it is best to:
When using a step ladder, it is best to:
a. Not work higher than the top three rungs
b. Work carefully while standing on the top platform
c. Have two co-workers hold the ladder steady
d. Use a metal ladder
e. Secure the ladder with a rope
Answer: A
Chain blocks are designed:
Chain blocks are designed:
a. For horizontal use
b. With the top hook as the strongest
c. With a very low mechanical advantage
d. With the hooks stronger than the chain
e. For lifting very long objects
Answer: B
A common way to determine the mass of an object to be hoisted is by determining its
A common way to determine the mass of an object to be hoisted is by determining its
a. Density and volume
b. Size and shape
c. Density
d. Weight
e. Specific gravity
Answer: A
Ladders that are used in the workplace should comply with:
Ladders that are used in the workplace should comply with:
a. WCB regulations only
b. ASME codes
c. CSA standards only
d. Local building codes
e. WCB regulations and CSA standards
Answer: E
Safe rigging practice dictates that weight estimates of objects to be lifted, when the objects are relatively lightweight, should be accurate within plus or minus _____.
Safe rigging practice dictates that weight estimates of objects to be lifted, when the objects are relatively lightweight, should be accurate within plus or minus _____.
a. 5%
b. 15%
c. 20%
d. 25%
e. 33%
Answer: C
A scaffold should always be erected:
A scaffold should always be erected:
a. By the user only
b. Plumb
c. By a contractor
d. Plumb and level
e. Level
Answer: D
A rung ladder should:
A rung ladder should:
a. Be non-conductive
b. Be equipped with only metal feet
c. Be inclined with a 5:1 slope
d. Always have at least one rail touching the support
e. Be inclined with a 4:1 slope
Answer: E
When working on a platform it is important to:
When working on a platform it is important to:
a. Always wear a lifeline harness
b. Ensure the harness is attached to the scaffold
c. Construct it yourself
d. Warn people on the ground of hazards
e. Notify the applicable government agency of usage
Answer: D
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