Electricity, Circuits & Electrical Equipment Quiz

24 Questions | By Alfredhook3 | Updated: Dec 6, 2022 | Attempts: 2071

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Electricity, Circuits & Electrical Equipment Quiz - Quiz

Play our online quiz to test your knowledge and learn interesting information about electricity, equipment, conductors, electrical injuries, etc. The quiz contains various theoretical, technical, and practical based questions that will gauge your knowledge about the topic and will also provide you with valuable information that will help you in exams. Take the quiz to know more. If you like it, do share it with your friends and family. All the best!

Questions and Answers

1.

What should be the cuff length of leather protector gloves worn over rubber insulating gloves while working with electrical parts?
- A.
  
  Same as Rubber insulating Gloves
- B.
  
  Longer than Rubber insulating Gloves
- C.
  
  Shorter than Rubber insulating Gloves
- D.
  
  None of the above
2.

Only ___________________ workers can repair exposed electrical equipment.
- A.
  
  Insulated
- B.
  
  Protected by PPE
- C.
  
  Qualified and Trained
- D.
  
  Unqualified
3.

Like PPE (Personal Protective Equipment), IPE (Insulating Protective Equipment) is also worn on the body
- A.
  
  True
- B.
  
  False
4.

Why are rubber insulating gloves filled with air?
- A.
  
  To conduct air test
- B.
  
  To Make them Lighter
- C.
  
  To see how well they expand
- D.
  
  None of the above
5.

Which type of fire extinguisher will only make the fire worse?
- A.
  
  Class A
- B.
  
  Class B
- C.
  
  Class C
- D.
  
  Class D
6.

What is the maximum current level a human can withstand without getting injured?
- A.
  
  1 mA
- B.
  
  15 mA
- C.
  
  100-300 mA
- D.
  
  10 mA
7.

Which type of fire extinguisher(s) is or are also acceptable to put out an electrical fire?
- A.
  
  Class B
- B.
  
  Class C
- C.
  
  Class A
- D.
  
  Class D
8.

One of the main functions of personnel protective grounds is to provide a -------------- impedance path for a short circuit
- A.
  
  High
- B.
  
  Low
- C.
  
  Smooth
- D.
  
  None of the above
9.

The minimum allowable work space around electrical equipment is ________ inches deep.
- A.
  
  30
- B.
  
  46
- C.
  
  28
- D.
  
  36
10.

OSHA requires the testing of a volt meter after a voltage test on voltage above______.
- A.
  
  120V
- B.
  
  208v
- C.
  
  227v
- D.
  
  600v
11.

One of the three generally recognized hazards of electrical work is--------------.
- A.
  
  Cuts
- B.
  
  Fall
- C.
  
  Arc Flash
- D.
  
  Concussion
12.

Gloves used for electrical protection must be electrically tested every--------
- A.
  
  1 Month
- B.
  
  1 Year
- C.
  
  6 Month
- D.
  
  Never
13.

Electrical injuries are commonly caused by:
- A.
  
  Unsafe equipment or installations
- B.
  
  An unsafe environment
- C.
  
  Unsafe work practices.
- D.
  
  All of the above
14.

Current flow from hand to hand is called:
- A.
  
  Step potential
- B.
  
  Touch potential
- C.
  
  Amperage
- D.
  
  None of the above
15.

Broken or damaged tools should be labeled with DAMAGED DO NOT USE. The instructor should be notified so that the tool may be repaired or replaced.
- A.
  
  True
- B.
  
  False
16.

Cord and plug equipment should have a three prong plug or be double insulated.
- A.
  
  True
- B.
  
  False
17.

Which law does not cover the use of electricity at work?
- A.
  
  Health and Safety at Work etc. Act 1974
- B.
  
  The Provision and use of Work Equipment Regulation 1998
- C.
  
  The Management of Health and Safety at work Regulations 1999
- D.
  
  The Electricity at Work Regulation 1989
18.

Grounding conductors are usually in color
- A.
  
  Red
- B.
  
  Blue
- C.
  
  Green
- D.
  
  Black
19.

Which one of the following would be classified as an explosive atmosphere?
- A.
  
  The area near a fuel tank
- B.
  
  The area under a power line
- C.
  
  An office
- D.
  
  A garden
20.

What are the minimum distance workers must maintain between conductive materials and overhead Power Lines up to 50kv
- A.
  
  10 feet
- B.
  
  20 feet
- C.
  
  30 feet
- D.
  
  As far as possible
21.

Which of these can be used as insulating live-line tools for electrical protection?
- A.
  
  Shotgun Sticks
- B.
  
  Switchsticks
- C.
  
  Hotsticks
- D.
  
  All of the above
22.

Who is allowed to open live electrical panels?
- A.
  
  Any Ships engineer
- B.
  
  A qualified electrical person
- C.
  
  A qualified electrical person wearing appropriate PPE
- D.
  
  All of the above
23.

In which circumstances are contact with electricity most likely to be harmful
- A.
  
  Touching a 24 V dc battery terminal with hand
- B.
  
  Using a faulty 110v ac power tool in a damp environment
- C.
  
  Using a faulty 110v ac power tool with RCD
- D.
  
  None of the above
24.

Grounding conductors are usually black in colour.
- A.
  
  True
- B.
  
  False