ITI Electrician Objective Type Question Answer In English || Series-03||

1. Which of the following is the value of gravity acceleration?

(A) 9.81 joules
(B) 9.81 m/s
(C) 9.81 m/s 2
(D) All of the above
Answer - (C)

2. What color of light does a sodium vapor lamp emit when it is switched on?
(A) Red
(B) Pink
(C) light yellow
(D) Blue White
Answer- (B)

3. Which one of the following is equal to watt?
(A) 1 ampere / second
(B) 1 joule / second
(C) 1 volt / sec
(D) 1 Newton / second
Answer- (B)

4. Which of the following is the formula for finding electrical energy?
(A) V2 / R.t
(B) V × I
(C) P × t
(D) All of the above
Answer - (C)

5. How much British HP is in a kilo watt hour?
(A) 1.36
(B) 746
(C) 1.34
(D) 735.5
Answer - (C)

6. ​​25 lamps, 100 watts each, run for 8 hours a day, will be consumed in kilo watt hours a day?
(A) 300
(B) 600
(C) 20000
(D) 20
Answer- (D)

7. Knife switch has ampere range?
(A) 30 to 100
(B) 30 to 1000

(C) 2 to 60
(D) 30 to 400
Answer- (B)

8. Meaning color of wire is kept?
(A) Black
(B) Red
(C) Green
(D) Blue
Answer - (C)

9. If phase wire and neutral wire touch each other, what is the circuit?
(A) Leakage
(B) Short
(C) closed
(D) open
Answer- (B)

10. Which effect of electric current comes from electric current?
(A) Thermal
(B) magnetic
(C) Chemical
(D) All of the above
Answer- (B)

11. What will be the resistance of a 100 watt 250 volt lamp?
(A) 2500 ohm
(B) 625 ohm
(C) 0.4 ohm
(D) 2.5 ohms
Answer- (B)

12. If the thickness of the core lamination is reduced to half, what will be the eddy current loss?
(A) less than twice
(B) Half
(C) equal
(D) Four times
Answer- (D)

13. What supplies are needed for electroplating?
(A) AC
(B) DC
(C) Both AC and DC
(D) None
Answer- (B)

14. Which of the following is the best conductive material?
(A) Asbestos
(B) Bakelite
(C) marbel
(D) none of them
Answer- (D)

15. Lead acid cell converts electrical energy during charging?
(A) Thermal energy
(B) in magnetic energy
(C) in chemical energy
(D) in light energy
Answer - (C)

16. Which of the following is the best conductor?
(A) gold
(B) copper
(C) Silver
(D) Brass
Answer - (C)

17. The value of the carrying force of a Daniel cell is
(A) 1.08 volt
(B) 2.2 volts
(C) 1.1 volts
(D) 1.46 volts
Answer - (C)

18. Fera magnetic materials have a magnetism.
(A) unit
(B) more than unit
(C) less than unit
(D) zero
Answer- (B)

19. If two lamps of 150 watts, 100 volt are connected in parallel will be the total power?
(A) 150 watts
(B) 75 watts
(C) 300 watts
(D) 1500 Watt
Answer - (C)

 20. What will be the value of green blue yellow silver face resistor?
(A) 5600Ω ± 10%
(B) 56MΩ ± 10%
(C) 560KΩ ± 10%
(D) none of them
Answer - (C)

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