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Guide for Construction Electrician Practice Test

Quiz Construction Electrician Practice Test

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/ 10

Quiz

1/10
Code Compliance and Calculations
A 120 V branch circuit supplies a continuous load of 16 A. What is the minimum ampacity the conductor should be sized for, before applying any correction or adjustment factors?
Select the answer
1 correct answer
A.
16 A
B.
18 A
C.
20 A
D.
24 A

Quiz

2/10
Electrical Equipment, Devices, and Controls
In a motor control circuit, what is the primary function of an overload relay?
Select the answer
1 correct answer
A.
To protect the circuit against short circuits
B.
To disconnect the motor when it draws excessive current for too long
C.
To increase motor starting torque
D.
To regulate supply voltage to the motor

Quiz

3/10
Electrical Theory and Circuit Fundamentals
In a simple series circuit, what happens to the total current if an additional resistor is added in series while the supply voltage remains constant?
Select the answer
1 correct answer
A.
The total current increases
B.
The total current decreases
C.
The total current stays the same
D.
The total voltage increases

Quiz

4/10
Safety, Regulations, and Occupational Skills
When working on a live electrical panel in a construction setting, what is the first safety action a construction electrician should take before beginning work?
Select the answer
1 correct answer
A.
Wear insulated gloves and start testing immediately
B.
Verify the circuit is de-energized and apply lockout/tagout procedures
C.
Inform the site supervisor after the task is complete
D.
Use only a higher-rated tool set

Quiz

5/10
Specialized Systems and Locations
When installing electrical equipment in a hazardous location, what is the primary purpose of using approved explosion-proof enclosures?
Select the answer
1 correct answer
A.
To increase the operating voltage of the equipment
B.
To prevent corrosion on metallic parts
C.
To contain any internal explosion and prevent ignition of the surrounding atmosphere
D.
To reduce electrical harmonics in the circuit

Quiz

6/10
Tools, Equipment, and Documentation
When verifying a digital multimeter before using it on a live circuit, which action is the best safety practice?
Select the answer
1 correct answer
A.
Check the battery only after testing the circuit
B.
Confirm the meter is set to the correct function and CAT rating before use
C.
Use the highest resistance range for all measurements
D.
Touch the probes together only after taking a reading

Quiz

7/10
Wiring Methods, Conductor Installation, and Materials
When installing nonmetallic-sheathed cable in a wooden stud wall, what is the main reason for installing nail plates where the cable passes close to the face of the framing member?
Select the answer
1 correct answer
A.
To improve conductor ampacity
B.
To protect the cable from nail or screw penetration
C.
To reduce voltage drop
D.
To increase insulation resistance

Quiz

8/10
Code Compliance and Calculations
A 240 V single-phase load draws 30 A. What is the apparent power of the load in volt-amperes?
Select the answer
1 correct answer
A.
7,200 VA
B.
8,000 VA
C.
9,600 VA
D.
10,800 VA

Quiz

9/10
Electrical Equipment, Devices, and Controls
Which device is commonly used to manually start and stop a motor while also providing low-voltage control?
Select the answer
1 correct answer
A.
Magnetic contactor
B.
Time-delay relay
C.
Thermal fuse
D.
Transformer

Quiz

10/10
Electrical Theory and Circuit Fundamentals
A circuit has a supply voltage of 120 V and a resistance of 40 ohms. What is the current in the circuit?
Select the answer
1 correct answer
A.
1 A
B.
2 A
C.
3 A
D.
4 A
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Info quiz:

  • Quiz name:Construction Electrician Practice Test
  • Total number of questions:364
  • Number of questions for the test:100
  • Pass score:70%
  • Number of topics:7 Topics
Study topics:Number of questions:
  • Code Compliance and Calculations:52 Questions
  • Electrical Equipment, Devices, and Controls:52 Questions
  • Electrical Theory and Circuit Fundamentals:52 Questions
  • Safety, Regulations, and Occupational Skills:52 Questions
  • Specialized Systems and Locations:52 Questions
  • Tools, Equipment, and Documentation:52 Questions
  • Wiring Methods, Conductor Installation, and Materials:52 Questions

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