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Quiz about This Ones For Electricians
Quiz about This Ones For Electricians

This One's For Electricians Trivia Quiz


A brief quiz for students of electricity.

A multiple-choice quiz by Tristan.. Estimated time: 5 mins.
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Author
Tristan.
Time
5 mins
Type
Multiple Choice
Quiz #
6,648
Updated
Dec 03 21
# Qns
10
Difficulty
Tough
Avg Score
6 / 10
Plays
4095
Last 3 plays: Guest 188 (9/10), Guest 176 (10/10), Guest 188 (7/10).
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Question 1 of 10
1. Which is the most correct definition of voltage? Hint


Question 2 of 10
2. Which is the most correct definition of current? Hint


Question 3 of 10
3. Which of the following is not a part of a DC machine? Hint


Question 4 of 10
4. A series DC generator requires an external power supply for the field poles.


Question 5 of 10
5. What is the most correct definition of a transducer? Hint


Question 6 of 10
6. What does RMS stand for? Hint


Question 7 of 10
7. Which of the following, is an advantage of using a Star-Delta motor starter, compared to a Direct On Line starter? Hint


Question 8 of 10
8. Which component of a fluorescent lamp provides a starting current, and once the lamp is illuminated, current limiting?

Answer: (Starts with ' B ')
Question 9 of 10
9. What sort of fuse would you select for an installation that required high current interrupting ability, and an allowance for instantaneous over currents? Hint


Question 10 of 10
10. Whose law states that all currents flowing into a junction shall be equal to all currents flowing out of that junction? Hint



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Most Recent Scores
Oct 24 2024 : Guest 188: 9/10
Oct 24 2024 : Guest 176: 10/10
Oct 24 2024 : Guest 188: 7/10
Oct 24 2024 : Guest 178: 7/10
Oct 24 2024 : Guest 77: 2/10
Oct 24 2024 : Guest 176: 8/10
Oct 24 2024 : Guest 78: 3/10
Oct 24 2024 : Guest 162: 0/10
Oct 24 2024 : Guest 188: 6/10

Score Distribution

quiz
Quiz Answer Key and Fun Facts
1. Which is the most correct definition of voltage?

Answer: A measure of electrical pressure

Think of voltage like water pressure behind a tap.
2. Which is the most correct definition of current?

Answer: The presence of electron flow

3. Which of the following is not a part of a DC machine?

Answer: Rotor bars

Rotor bars are only found on AC induction motors.
4. A series DC generator requires an external power supply for the field poles.

Answer: False

A series generator is self excited. The residual magnetism in the field is enough to induce voltage in the armature.
5. What is the most correct definition of a transducer?

Answer: A device that transforms energy from one form to another

Transducers can be switches, strain gauges, temperature sensors or inductive switches.
6. What does RMS stand for?

Answer: Root Mean Square

Root Mean Square, the peak value of voltage x 0.707, or sine 45.
7. Which of the following, is an advantage of using a Star-Delta motor starter, compared to a Direct On Line starter?

Answer: Lower starting current

Starting current is still relatively high, 1.5 to 2.6 times the rated current, but much lower than a DOL starter.
8. Which component of a fluorescent lamp provides a starting current, and once the lamp is illuminated, current limiting?

Answer: Ballast

The ballast is the heaviest part of a fluorescent lamp.
9. What sort of fuse would you select for an installation that required high current interrupting ability, and an allowance for instantaneous over currents?

Answer: HRC fuse

A High Rupturing Capacity fuse is most suited to the above application. They are capable of interrupting high fault currents.
10. Whose law states that all currents flowing into a junction shall be equal to all currents flowing out of that junction?

Answer: Kirchhoff's law

Interesting to note how much time he had on his hands to think of that one.
Source: Author Tristan.

This quiz was reviewed by FunTrivia editor crisw before going online.
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