Test Your Knowledge - Free MCQ PRACTICE
by Saksham Chaudhry : 23-B Model Town, Fatehabad 125050 M: 9810570740, 9810571993
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DRIVINGTEST
A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. The type of wiring depends on :
A. Location and consumers budget
B. Durability and cost
C. Safety and appearance
D. All of the above

2. Copper when alloyed with zinc is known as
A. Brass
B. Bronze
C. Babbits
D. All of the above

3. Cicuit breaker normally operates :
A. When the power is to be supplied
B. When the line is to be tested
C. When the switch is to be put on
D. When a fault occurs in the line

4. Two main defects of a primary cell are :
A. Local action and polarisation
B. Local action and sulphation
C. Buckling and polarisation
D. Sulphation and sedimentation

5. Q meter works on the principle of :
A. barkhausen criterion
B. piezoelectric effect
C. parallel resonance
D. series resonance

6. Utilization factor depends upon :
A. Size of the room
B. Space height ratio of the lamps
C. Colour of the wall/ceiling
D. All these

7. In dc generators, brushes remain in contact with the conductors which lie
A. under south pole
B. under north pole
C. arbitrarily
D. in the interpolar region

8. In a dc machine, the laminated parts are the armature core and
A. Pole shoes
B. Yoke
C. Shaft
D. base

9. Which of the following forms an energy converter ?
A. magnetor-striction effect
B. piezo-electric effect
C. hall effect
D. All these

10. Size of the earth or grouped wire is based upon the :
A. Maximum fault currentcarrying through ground wire
B. Rated current carrying capacity of service line
C. Depends upon soil resistance
D. A and C

11. What is the maximum load that can be connected in a circuit connecting only lighting points?
A. 500 watts
B. 750 watts
C. 800 watts
D. 1000 watts

12. The inputs of a NAND gate are connected together. The resulting circuit is ………….
A. OR gate
B. AND gate
C. NOT gate
D. None of the above

13. Induction motors are designed for :
A. Three phase
B. Two phase
C. Single phase
D. All these

14. Corona occurs between two transmission conductors when :
A. They have high potential difference
B. Thay are closely spaced
C. They carry DC Power
D. A and B

15. Which type of conduit wiring is used for gas tight explosive proof installation?
A. Heavy gauge screwed conduit
B. Light gauge conduit
C. A and B
D. None of these

16. Total flux required in any lighting scheme depends inversely upon :
A. Surface area
B. Space height ratio
C. Illumination
D. Coefficient of utilization

17. Mass of material deposited over an electrode is :
A. Proportional to voltage
B. Proportional to time only
C. Proportional to currentonly
D. Proportional to quantity of electricity and ECE

18. Output of an AND gate is high if :
A. Both inputs are low
B. One input is high and the other low
C. Both inputs are high
D. None of these

19. Factors to select the correct size of conduit depends on :
A. Size of cables
B. Number of cables to be drawn
C. A and B
D. None of these

20. Depth of a pole below ground level in case of normal soil should be :
A. 1/4 of the full height
B. 1/5 of the full height
C. 1/6 of the full height
D. 1/8 of the full height

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