MECHANICS CERTIFICATION EXAM QUESTIONS & ANSWERS 2026-2027 | HIGH… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
Mechanics Certification
Exam Questions & Answers
2026-2027 | High Yield
Practice Questions
Verified Answers Exam Ready With Rationales
165 QUESTIONS
DOCUMENT OVERVIEW
This document provides 165 verified exam questions with correct answers for mechanics certification,
complete with explanations and relevant diagrams. It covers essential concepts in mechanical systems,
ensuring comprehensive preparation. Ideal for study, review, and certification prep, this resource allows
candidates to reinforce their knowledge and enhance their understanding of critical mechanics principles.
CONTENTS
• Electrical Issues • Elevator Operations
• Mechanical Problems • Construction and Installation
• Testing and Measurements • Load and Capacity
• Safety Protocols • Regulatory Compliance
Page 1
, • Control Systems • Hydraulic Systems
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 165
** An MOV burns out, you replace it but cannot read voltage or resistance. What should you do?
CORRECT ANSWER
Replace it with a larger one (630)
Q2 QUESTION 2 OF 165
** 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?
CORRECT ANSWER
Mainline disconnect (535)
Q3 QUESTION 3 OF 165
** There is slight arcing at the Brushes and Commutator. What actions must be taken?
CORRECT ANSWER
None. (430)
"Heavy arcing is due to light brush pressure. Mechanical wear indicates heavy brush pressure.
Q4 QUESTION 4 OF 165
** A car traveling in the hoistway always stops at the same point and blows a fuse. What is the problem?
CORRECT ANSWER
Traveling cable has a cut or short
Page 2
, Q5 QUESTION 5 OF 165
** How many Strain Supports are required on a 350' raceway?
CORRECT ANSWER
4
One for every 100'
Q6 QUESTION 6 OF 165
** A 480 VAC Step Down Transformer is connected to a 3 phase rectifier. What will the output be?
CORRECT ANSWER
320 VDC
480 - 33.33% = 320
Q7 QUESTION 7 OF 165
** You wired the Down Direction and Final Limit switches. Now the car only runs up. What is the problem?
CORRECT ANSWER
You wired the Down Direction Limit wrong.
Q8 QUESTION 8 OF 165
** Who is required to provide you with the MSDS or SDS of a solvent you're using to clean rails?
CORRECT ANSWER
Your Employer (105)
Q9 QUESTION 9 OF 165
Page 3
, ** How do Emergency Doors swing?
CORRECT ANSWER
Outward.
Q10 QUESTION 10 OF 165
* What is Relief set at?
CORRECT ANSWER
150%
Q11 QUESTION 11 OF 165
* What do U grooves need?
CORRECT ANSWER
Double Wrap
Q12 QUESTION 12 OF 165
** If the DC output of a 3 phase rectifier is lower than specified, what is the problem?
CORRECT ANSWER
One Input phase is missing.
Q13 QUESTION 13 OF 165
* What is the conversion from Kilograms to Lbs?
CORRECT ANSWER
1 Kilogram = 2.2 lbs
Page 4
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
Mechanics Certification
Exam Questions & Answers
2026-2027 | High Yield
Practice Questions
Verified Answers Exam Ready With Rationales
165 QUESTIONS
DOCUMENT OVERVIEW
This document provides 165 verified exam questions with correct answers for mechanics certification,
complete with explanations and relevant diagrams. It covers essential concepts in mechanical systems,
ensuring comprehensive preparation. Ideal for study, review, and certification prep, this resource allows
candidates to reinforce their knowledge and enhance their understanding of critical mechanics principles.
CONTENTS
• Electrical Issues • Elevator Operations
• Mechanical Problems • Construction and Installation
• Testing and Measurements • Load and Capacity
• Safety Protocols • Regulatory Compliance
Page 1
, • Control Systems • Hydraulic Systems
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 165
** An MOV burns out, you replace it but cannot read voltage or resistance. What should you do?
CORRECT ANSWER
Replace it with a larger one (630)
Q2 QUESTION 2 OF 165
** 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?
CORRECT ANSWER
Mainline disconnect (535)
Q3 QUESTION 3 OF 165
** There is slight arcing at the Brushes and Commutator. What actions must be taken?
CORRECT ANSWER
None. (430)
"Heavy arcing is due to light brush pressure. Mechanical wear indicates heavy brush pressure.
Q4 QUESTION 4 OF 165
** A car traveling in the hoistway always stops at the same point and blows a fuse. What is the problem?
CORRECT ANSWER
Traveling cable has a cut or short
Page 2
, Q5 QUESTION 5 OF 165
** How many Strain Supports are required on a 350' raceway?
CORRECT ANSWER
4
One for every 100'
Q6 QUESTION 6 OF 165
** A 480 VAC Step Down Transformer is connected to a 3 phase rectifier. What will the output be?
CORRECT ANSWER
320 VDC
480 - 33.33% = 320
Q7 QUESTION 7 OF 165
** You wired the Down Direction and Final Limit switches. Now the car only runs up. What is the problem?
CORRECT ANSWER
You wired the Down Direction Limit wrong.
Q8 QUESTION 8 OF 165
** Who is required to provide you with the MSDS or SDS of a solvent you're using to clean rails?
CORRECT ANSWER
Your Employer (105)
Q9 QUESTION 9 OF 165
Page 3
, ** How do Emergency Doors swing?
CORRECT ANSWER
Outward.
Q10 QUESTION 10 OF 165
* What is Relief set at?
CORRECT ANSWER
150%
Q11 QUESTION 11 OF 165
* What do U grooves need?
CORRECT ANSWER
Double Wrap
Q12 QUESTION 12 OF 165
** If the DC output of a 3 phase rectifier is lower than specified, what is the problem?
CORRECT ANSWER
One Input phase is missing.
Q13 QUESTION 13 OF 165
* What is the conversion from Kilograms to Lbs?
CORRECT ANSWER
1 Kilogram = 2.2 lbs
Page 4
