PRACTICE 100+ QUESTIONS 2026 – VERIFIED Q&A
WITH RATIONALES FROM CERTIFIED EXAMINER
ACTUAL EXAM PREP 100% FAST REVISION
Exam Board: Industrial Trades Certification Authority
Table of Content (Exam Coverage Areas)
1. Electrical Theory
2. Safety and Regulations
3. Tools and Equipment
4. Wiring Methods and Materials
5. Motors and Motor Controls
6. Transformers
7. Industrial Automation and PLCs
8. Troubleshooting and Maintenance
SECTION A: QUESTIONS 1–50
1. What is the unit of electrical resistance?
A. Volt
B. Ampere
C. Ohm
D. Watt
Answer: C. Ohm
Resistance is measured in ohms (Ω), representing opposition to current flow.
2. Ohm’s Law states that voltage equals:
A. Current divided by resistance
B. Current multiplied by resistance
C. Resistance divided by current
D. Power multiplied by resistance
, Answer: B. Current multiplied by resistance
Ohm’s Law: V = I × R.
3. Which instrument measures current?
A. Voltmeter
B. Ammeter
C. Ohmmeter
D. Wattmeter
Answer: B. Ammeter
An ammeter is connected in series to measure current flow.
4. What type of current flows in one direction only?
A. Alternating current
B. Direct current
C. Pulsating current
D. Induced current
Answer: B. Direct current
DC maintains constant polarity.
5. Which device protects against overcurrent?
A. Relay
B. Switch
C. Fuse
D. Capacitor
Answer: C. Fuse
A fuse melts when excessive current flows.
6. What is the main purpose of grounding?
A. Increase voltage
B. Reduce resistance
C. Safety against electric shock
D. Increase current
Answer: C. Safety against electric shock
Grounding provides a safe path for fault current.
7. Which PPE protects against arc flash?
A. Gloves only
B. Safety boots
, C. Arc-rated clothing
D. Helmet
Answer: C. Arc-rated clothing
Arc-rated clothing resists heat from arc flash.
8. Lockout/tagout procedures ensure:
A. Faster repairs
B. Equipment efficiency
C. Worker safety during maintenance
D. Increased voltage
Answer: C. Worker safety during maintenance
They prevent accidental energizing.
9. A multimeter can measure:
A. Only voltage
B. Only current
C. Voltage, current, resistance
D. Only resistance
Answer: C. Voltage, current, resistance
Modern multimeters are multifunctional.
10. Insulated tools are used to:
A. Improve speed
B. Prevent shock
C. Increase power
D. Reduce voltage
Answer: B. Prevent shock
They protect against accidental contact.
11. Conduit is used to:
A. Increase voltage
B. Protect wiring
C. Reduce current
D. Store energy
Answer: B. Protect wiring
Conduit shields conductors from damage.