1
MECHANICS EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS)
QUESTION: ** An MOV burns out, you replace it but cannot read
voltage or resistance. What should you do?
Ans: Replace it with a larger one (630)
QUESTION: * On a Ward-Leonard circuit, the brake is set but the
motor is trying to slip through the brake. What circuit is the issue?
Ans: Suicide circuit (425)
QUESTION: ** A Hydro runs up with no load but does not run up with
a full load. What is the issue?
Ans: The relief valve is set too low (805)
QUESTION: ** Runby for a 1:1 car hits the CWT buffer 4" below the
top landing. The CWT runby should be set at 18". How much should
the ropes be shortened?
Master01 | 2025/2026 | Latest update
, 2
Ans: 22" for 1:1.
For a 2:1 with the same issue is 44".
QUESTION: ** You need to work on a freight door retiring cam. You
LOTO the mainline disconnect but there is still power to the cam.
What circuit is still hot?
Ans: Mainline disconnect (535)
QUESTION: ** The contractor requests that the vertical center of
the Rack and Pinion hoist be moved. How is this accomplished?
Ans: Adjust Tie downs/Wall ties (805)
QUESTION: ** Working pressure on a Hydro is 400 PSI. What is the
correct Relief Valve Setting?
Ans: 600 PSI Max. (805)
400 psi x 150% = 600 psi
Master01 | 2025/2026 | Latest update
, 3
QUESTION: ** A contractor wants to raise the car speed from 100
FPM to 125 FPM. It currently has a 12" sheave. What size sheave is
required?
Ans: 15"
(125 /100 = 1.25 1.25 x 12 = 15)
QUESTION: ** There is slight arcing at the Brushes and Commutator.
What actions must be taken?
Ans: None. (430)
"Heavy arcing is due to light brush pressure. Mechanical wear indicates heavy
brush pressure.
QUESTION: ** How much resistance is normally measured across a
normally closed switch ?
Ans: 1.2 ohms or 1 to 2 ohms
QUESTION: ** A car traveling in the hoistway always stops at the
same point and blows a fuse. What is the problem?
Master01 | 2025/2026 | Latest update
, 4
Ans: Traveling cable has a cut or short
QUESTION: ** How is a Class 1 (yearly) buffer test performed?
Ans: At slow speed and the buffer must return in 90 seconds. (555) *(60 seconds
is acceptable) (90 seconds is code)
5 year test (Class 5) is car at rated load and speed. Buffer must return in 90
seconds. CWT at rated speed and buffer must return in 90 seconds.
QUESTION: ** How many Strain Supports are required on a 350'
raceway?
Ans: 4
One for every 100'
QUESTION: ** How is Stainless steel drilled out?
Ans: Slow speed and constant pressure (205)
QUESTION: ** What are the required amount of clips for Wedge
Shackles and what is their spacing?
Master01 | 2025/2026 | Latest update
MECHANICS EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS)
QUESTION: ** An MOV burns out, you replace it but cannot read
voltage or resistance. What should you do?
Ans: Replace it with a larger one (630)
QUESTION: * On a Ward-Leonard circuit, the brake is set but the
motor is trying to slip through the brake. What circuit is the issue?
Ans: Suicide circuit (425)
QUESTION: ** A Hydro runs up with no load but does not run up with
a full load. What is the issue?
Ans: The relief valve is set too low (805)
QUESTION: ** Runby for a 1:1 car hits the CWT buffer 4" below the
top landing. The CWT runby should be set at 18". How much should
the ropes be shortened?
Master01 | 2025/2026 | Latest update
, 2
Ans: 22" for 1:1.
For a 2:1 with the same issue is 44".
QUESTION: ** You need to work on a freight door retiring cam. You
LOTO the mainline disconnect but there is still power to the cam.
What circuit is still hot?
Ans: Mainline disconnect (535)
QUESTION: ** The contractor requests that the vertical center of
the Rack and Pinion hoist be moved. How is this accomplished?
Ans: Adjust Tie downs/Wall ties (805)
QUESTION: ** Working pressure on a Hydro is 400 PSI. What is the
correct Relief Valve Setting?
Ans: 600 PSI Max. (805)
400 psi x 150% = 600 psi
Master01 | 2025/2026 | Latest update
, 3
QUESTION: ** A contractor wants to raise the car speed from 100
FPM to 125 FPM. It currently has a 12" sheave. What size sheave is
required?
Ans: 15"
(125 /100 = 1.25 1.25 x 12 = 15)
QUESTION: ** There is slight arcing at the Brushes and Commutator.
What actions must be taken?
Ans: None. (430)
"Heavy arcing is due to light brush pressure. Mechanical wear indicates heavy
brush pressure.
QUESTION: ** How much resistance is normally measured across a
normally closed switch ?
Ans: 1.2 ohms or 1 to 2 ohms
QUESTION: ** A car traveling in the hoistway always stops at the
same point and blows a fuse. What is the problem?
Master01 | 2025/2026 | Latest update
, 4
Ans: Traveling cable has a cut or short
QUESTION: ** How is a Class 1 (yearly) buffer test performed?
Ans: At slow speed and the buffer must return in 90 seconds. (555) *(60 seconds
is acceptable) (90 seconds is code)
5 year test (Class 5) is car at rated load and speed. Buffer must return in 90
seconds. CWT at rated speed and buffer must return in 90 seconds.
QUESTION: ** How many Strain Supports are required on a 350'
raceway?
Ans: 4
One for every 100'
QUESTION: ** How is Stainless steel drilled out?
Ans: Slow speed and constant pressure (205)
QUESTION: ** What are the required amount of clips for Wedge
Shackles and what is their spacing?
Master01 | 2025/2026 | Latest update
