MECHANICS EXAM NEIEP (2024/2025)
QUESTIONS WITH VERIFIED CORRECT ANSWERS
|| 100% GUARANTEED PASS <UPDATED
VERSION>
NEIEP MECHANICS EXAM (2024/2025) STUDY GUIDE
100 Questions & Verified Correct Answers
Section 1: Safety & Tools
1. What is the primary purpose of Lockout/Tagout (LOTO) procedures?
A) To increase productivity
B) To prevent the unexpected energization of equipment ✓
C) To label tools correctly
D) To schedule maintenance
2. Before working on an elevator circuit, what is the FIRST step a mechanic should take?
A) Test the circuit with a meter
B) Notify the building owner
C) Physically lock out and verify isolation of the power source ✓
D) Wear safety glasses
3. Which class of fire involves energized electrical equipment?
A) Class A
B) Class B
C) Class C ✓
D) Class D
4. What type of fire extinguisher is appropriate for a Class C (electrical) fire?
A) Water
B) Carbon Dioxide (CO2) or Dry Chemical ✓
C) Foam
D) Water Mist
5. The minimum safe distance for working near energized electrical parts rated at 15kV is:
A) 1 foot
B) 2 feet ✓
, C) 5 feet
D) 10 feet
6. A properly tied-off safety lanyard must be secured to:
A) A secure point above the work area ✓
B) A conduit pipe
C) The elevator guide rail
D) The car top crosshead
7. What Personal Protective Equipment (PPE) is essential when cutting metal or drilling
overhead?
A) Hard hat and steel-toed boots
B) Safety glasses and gloves ✓
C) Hearing protection only
D) Respirator
8. The purpose of a "Confined Space Permit" is to:
A) Allow faster work in a pit
B) Ensure specific hazards are controlled before entry ✓
C) Grant permission to work overtime
D) Order special tools
9. When hoisting a heavy motor, the safest type of sling to use is:
A) A chain sling
B) A wire rope or synthetic web sling rated for the load ✓
C) A rope
D) Any available cable
10. A tool used to measure small gaps and check clearances with high precision is a:
A) Torque wrench
B) Dial caliper ✓
C) Multimeter
D) Level
Section 2: Electrical Fundamentals
11. The unit of electrical resistance is the:
A) Volt
B) Ampere
C) Ohm ✓
D) Watt
,12. In a DC series circuit, what is the same through all components?
A) Voltage
B) Current ✓
C) Resistance
D) Power
13. The total resistance of three 10-ohm resistors in parallel is:
A) 30 ohms
B) 10 ohms
C) 3.33 ohms ✓
D) 0.3 ohms
14. A device that converts mechanical energy into electrical energy is a:
A) Motor
B) Solenoid
C) Generator ✓
D) Transformer
15. The purpose of a fuse in a circuit is to:
A) Regulate voltage
B) Protect against overcurrent by melting ✓
C) Improve power factor
D) Store electrical charge
16. What does a capacitor store?
A) Current
B) Voltage
C) An electric charge ✓
D) Magnetic energy
17. In an AC circuit, inductance causes the current to:
A) Lead the voltage
B) Lag the voltage ✓
C) Be in phase with the voltage
D) Stop flowing
18. A transformer works on the principle of:
A) Electrostatic induction
B) Mutual inductance ✓
, C) Self-resonance
D) Direct conduction
19. A diode allows current to flow:
A) In both directions
B) Only in one direction ✓
C) When it is reversed biased
D) Only at high frequencies
20. What is the standard frequency of AC power in North America?
A) 50 Hz
B) 60 Hz ✓
C) 400 Hz
D) 25 Hz
Section 3: Motor Theory & Control
21. The stationary part of an AC induction motor is called the:
A) Rotor
B) Armature
C) Stator ✓
D) Commutator
22. The rotating magnetic field in a three-phase motor is created by:
A) The rotor's DC excitation
B) The phase difference between the three stator windings ✓
C) The centrifugal switch
D) The starting capacitor
23. What is the primary function of a motor starter?
A) To control the speed of the motor
B) To provide overload and undervoltage protection ✓
C) To correct the power factor
D) To convert AC to DC
24. The "slip" of an induction motor is:
A) The difference between synchronous speed and rotor speed ✓
B) The friction in the bearings
C) The type of insulation on the windings
D) The voltage drop across the contacts
QUESTIONS WITH VERIFIED CORRECT ANSWERS
|| 100% GUARANTEED PASS <UPDATED
VERSION>
NEIEP MECHANICS EXAM (2024/2025) STUDY GUIDE
100 Questions & Verified Correct Answers
Section 1: Safety & Tools
1. What is the primary purpose of Lockout/Tagout (LOTO) procedures?
A) To increase productivity
B) To prevent the unexpected energization of equipment ✓
C) To label tools correctly
D) To schedule maintenance
2. Before working on an elevator circuit, what is the FIRST step a mechanic should take?
A) Test the circuit with a meter
B) Notify the building owner
C) Physically lock out and verify isolation of the power source ✓
D) Wear safety glasses
3. Which class of fire involves energized electrical equipment?
A) Class A
B) Class B
C) Class C ✓
D) Class D
4. What type of fire extinguisher is appropriate for a Class C (electrical) fire?
A) Water
B) Carbon Dioxide (CO2) or Dry Chemical ✓
C) Foam
D) Water Mist
5. The minimum safe distance for working near energized electrical parts rated at 15kV is:
A) 1 foot
B) 2 feet ✓
, C) 5 feet
D) 10 feet
6. A properly tied-off safety lanyard must be secured to:
A) A secure point above the work area ✓
B) A conduit pipe
C) The elevator guide rail
D) The car top crosshead
7. What Personal Protective Equipment (PPE) is essential when cutting metal or drilling
overhead?
A) Hard hat and steel-toed boots
B) Safety glasses and gloves ✓
C) Hearing protection only
D) Respirator
8. The purpose of a "Confined Space Permit" is to:
A) Allow faster work in a pit
B) Ensure specific hazards are controlled before entry ✓
C) Grant permission to work overtime
D) Order special tools
9. When hoisting a heavy motor, the safest type of sling to use is:
A) A chain sling
B) A wire rope or synthetic web sling rated for the load ✓
C) A rope
D) Any available cable
10. A tool used to measure small gaps and check clearances with high precision is a:
A) Torque wrench
B) Dial caliper ✓
C) Multimeter
D) Level
Section 2: Electrical Fundamentals
11. The unit of electrical resistance is the:
A) Volt
B) Ampere
C) Ohm ✓
D) Watt
,12. In a DC series circuit, what is the same through all components?
A) Voltage
B) Current ✓
C) Resistance
D) Power
13. The total resistance of three 10-ohm resistors in parallel is:
A) 30 ohms
B) 10 ohms
C) 3.33 ohms ✓
D) 0.3 ohms
14. A device that converts mechanical energy into electrical energy is a:
A) Motor
B) Solenoid
C) Generator ✓
D) Transformer
15. The purpose of a fuse in a circuit is to:
A) Regulate voltage
B) Protect against overcurrent by melting ✓
C) Improve power factor
D) Store electrical charge
16. What does a capacitor store?
A) Current
B) Voltage
C) An electric charge ✓
D) Magnetic energy
17. In an AC circuit, inductance causes the current to:
A) Lead the voltage
B) Lag the voltage ✓
C) Be in phase with the voltage
D) Stop flowing
18. A transformer works on the principle of:
A) Electrostatic induction
B) Mutual inductance ✓
, C) Self-resonance
D) Direct conduction
19. A diode allows current to flow:
A) In both directions
B) Only in one direction ✓
C) When it is reversed biased
D) Only at high frequencies
20. What is the standard frequency of AC power in North America?
A) 50 Hz
B) 60 Hz ✓
C) 400 Hz
D) 25 Hz
Section 3: Motor Theory & Control
21. The stationary part of an AC induction motor is called the:
A) Rotor
B) Armature
C) Stator ✓
D) Commutator
22. The rotating magnetic field in a three-phase motor is created by:
A) The rotor's DC excitation
B) The phase difference between the three stator windings ✓
C) The centrifugal switch
D) The starting capacitor
23. What is the primary function of a motor starter?
A) To control the speed of the motor
B) To provide overload and undervoltage protection ✓
C) To correct the power factor
D) To convert AC to DC
24. The "slip" of an induction motor is:
A) The difference between synchronous speed and rotor speed ✓
B) The friction in the bearings
C) The type of insulation on the windings
D) The voltage drop across the contacts
