100 FINAL EXAM QUESTIONS WITH
ANSWERS
A shipment contains a total of 7902 linear feet of steel pipe. Each piece of pipe is 18
feet long. How many pieces should be expected?
- CORRECT ANSWER- 439 pieces
Round to the indicated value 231 to the nearest 10 - CORRECT ANSWER- 230
14,501 to the nearest thousand - CORRECT ANSWER- 15,000
3.15 x 10^7 to the nearest million - CORRECT ANSWER- 32,000,000
0.4233 to the nearest hundredth - CORRECT ANSWER- .42
How many significant figures: 10,002 - CORRECT ANSWER- Five
How many significant figures: 4.53 x 10^5 - CORRECT ANSWER- Three
45 with 4 significant figures would be? - CORRECT ANSWER- 45.00
5.21 x 10^-5 with 4 significant figures would be? - CORRECT ANSWER-
0.00005210
The sum of 0.56 in, 0.43 in, and 0.62 in - CORRECT ANSWER- 1.61 in
What is the area of the cab floor that measures 10.5 feet by 12.8 feet? - CORRECT
ANSWER- 134.4 ft^2
What are the main hazards in the machine room of a heated traction elevator? -
CORRECT ANSWER- Electrical and mechanical hazards
How do you determine the correct angle from the vertical placing of the ladder? -
CORRECT ANSWER- Measure out a distance 1/4 the height
What piece of safety equipment is designed to keep you from falling? - CORRECT
ANSWER- Safety harness and lanyard
What must be done before checking pump drive belts on a hydraulic elevator? -
CORRECT ANSWER- Pull the main LOTO disconnect switch
, Why must you pull the main disconnect LOTO switch before checking the oil reservoir?
- CORRECT ANSWER- To avoid being splashed with hot oil
What is the lowest amount of electrical current that can be fatal? - CORRECT
ANSWER- .005 amperes
Which of the following best describes the danger posed by the counterweights when
you're on top of the car? - CORRECT ANSWER- It runs close in the opposite
direction
What do you need to be sure of before getting on top of a dumbwaiter? - CORRECT
ANSWER- That it can support your weight and it has safeties
What makes a hydraulic elevator pit dangerous? - CORRECT ANSWER- The car
can come down without power
Why must you place hydraulic elevator car on support posts before servicing the
packing head? - CORRECT ANSWER- Because the elevator is supported by a
column of oil
What is the most serious consequence of incorrect lifting? - CORRECT ANSWER-
Spinal injury
Why can't elevator Constructors use a metal ladder? - CORRECT ANSWER- Metal
ladders conduct electricity
What piece of safety equipment is required whenever you use any power tool? -
CORRECT ANSWER- Eye protection
What is the function of a GFI? - CORRECT ANSWER- Detect and Imbalance in
current between hot and neutral wires
What dangerous gas is given off by a running gasoline engine? - CORRECT
ANSWER- Carbon monoxide
What piece of safety equipment is required by OSHA when using an electric motor? -
CORRECT ANSWER- Eye protection
Who is primarily responsible for your safety on the job? - CORRECT ANSWER-
You, yourself
Who is responsible for seeing that barricades are kept in place? - CORRECT
ANSWER- Everyone on the job
What is the required height for an OSHA approved barricade? - CORRECT
ANSWER- 42"
ANSWERS
A shipment contains a total of 7902 linear feet of steel pipe. Each piece of pipe is 18
feet long. How many pieces should be expected?
- CORRECT ANSWER- 439 pieces
Round to the indicated value 231 to the nearest 10 - CORRECT ANSWER- 230
14,501 to the nearest thousand - CORRECT ANSWER- 15,000
3.15 x 10^7 to the nearest million - CORRECT ANSWER- 32,000,000
0.4233 to the nearest hundredth - CORRECT ANSWER- .42
How many significant figures: 10,002 - CORRECT ANSWER- Five
How many significant figures: 4.53 x 10^5 - CORRECT ANSWER- Three
45 with 4 significant figures would be? - CORRECT ANSWER- 45.00
5.21 x 10^-5 with 4 significant figures would be? - CORRECT ANSWER-
0.00005210
The sum of 0.56 in, 0.43 in, and 0.62 in - CORRECT ANSWER- 1.61 in
What is the area of the cab floor that measures 10.5 feet by 12.8 feet? - CORRECT
ANSWER- 134.4 ft^2
What are the main hazards in the machine room of a heated traction elevator? -
CORRECT ANSWER- Electrical and mechanical hazards
How do you determine the correct angle from the vertical placing of the ladder? -
CORRECT ANSWER- Measure out a distance 1/4 the height
What piece of safety equipment is designed to keep you from falling? - CORRECT
ANSWER- Safety harness and lanyard
What must be done before checking pump drive belts on a hydraulic elevator? -
CORRECT ANSWER- Pull the main LOTO disconnect switch
, Why must you pull the main disconnect LOTO switch before checking the oil reservoir?
- CORRECT ANSWER- To avoid being splashed with hot oil
What is the lowest amount of electrical current that can be fatal? - CORRECT
ANSWER- .005 amperes
Which of the following best describes the danger posed by the counterweights when
you're on top of the car? - CORRECT ANSWER- It runs close in the opposite
direction
What do you need to be sure of before getting on top of a dumbwaiter? - CORRECT
ANSWER- That it can support your weight and it has safeties
What makes a hydraulic elevator pit dangerous? - CORRECT ANSWER- The car
can come down without power
Why must you place hydraulic elevator car on support posts before servicing the
packing head? - CORRECT ANSWER- Because the elevator is supported by a
column of oil
What is the most serious consequence of incorrect lifting? - CORRECT ANSWER-
Spinal injury
Why can't elevator Constructors use a metal ladder? - CORRECT ANSWER- Metal
ladders conduct electricity
What piece of safety equipment is required whenever you use any power tool? -
CORRECT ANSWER- Eye protection
What is the function of a GFI? - CORRECT ANSWER- Detect and Imbalance in
current between hot and neutral wires
What dangerous gas is given off by a running gasoline engine? - CORRECT
ANSWER- Carbon monoxide
What piece of safety equipment is required by OSHA when using an electric motor? -
CORRECT ANSWER- Eye protection
Who is primarily responsible for your safety on the job? - CORRECT ANSWER-
You, yourself
Who is responsible for seeing that barricades are kept in place? - CORRECT
ANSWER- Everyone on the job
What is the required height for an OSHA approved barricade? - CORRECT
ANSWER- 42"
