Electrician First Year Online CBT Exam MCQs In English -02,
These questions are important for the Online CBT Exam of Electrician
Trade and also for other competitive examinations like Technical Helper,
RRB, ALP, Metro etc.
Electrician 1st Year Online CBT Exam Important MCQs In Hindi-02
1. Which fire fighting equipment should not be used to extinguish class D fires
(A) Water type Fire Fighting Equipment
(B) Foam type fire fighting equipment
(C) Both A and B
(D) CTC
Answer - (C)
2. How much wattage is determined in a power circuit in domestic wiring?
(A) 1000
(B) 800
(C) 1500
(D) 3000
Answer - (D)
3. The conductors of electricity are found in objects
(A) Large amount of electrons
(B) Large amount of protons
(C) high amount of neutrons
(D) None of the above
Answer - (A)
4. Why the core of current transformer is having low reactance and low core losses?
(A) To reduce the burden
(B) To maintain continuous output
(C) To prevent high static shield
(D) To reduce reading error
Answer - (D)
5. Used in the manufacture of GI pipes
(A) Stainless Steel
(B) Hard copper
(C) galvanized iron
(D) Aluminum
Answer - (C)
6. In what is the rating of the transformer expressed?
(A) Kilowatt
(B) Kilowatt hour
(C) kilo volt ampere
(D) Empere hour
Answer - (C)
7. The working rate is called
(A) energy
(B) heat
(C) power
(D) Efficiency
Answer - (C)
8. In Ohm's law, whose value will change if the value of the voltage on the constant resistance is higher?
(A) resistance
(B) Section
(C) Power
(D) None of the above
Answer - (B)
9. The size of a gymlet used by an interview is
(A) 150 mm
(B) 100 mm
(C) 300 mm
(D) 900 mm
Answer - (C)
10. Power factor meter is added to the circuit
(A) in parallel order
(B) in series order
(C) Parallel - in series order
(D) Category - in parallel order
Answer - (D)
11. What type of energy conversion does a transformer do?
(A) Electrical energy in mechanical energy
(B) Mechanical energy into electrical energy
(C) Electric energy in thermal energy
(D) Electric energy into electricity
Answer - (D)
12. Which cell is commonly used in digital clocks?
(A) Voltaic
(B) lithium
(C) Mercury
(D) Silver oxide
Answer - (C)
13. What principle does the earth resistance tester work on?
(A) Resistivity drop
(B) Electrochemicals
(C) When voltage increases
(D) None of the above
Answer - (A)
14. What is the function of fine selector switch in battery charge?
(A) Selection of Section Rating
(B) Selection of induction time
(C) Selection of voltage range
(D) Choice of induction method
Answer - (A)
15. Which oil is used in transformers used in mines
(A) Mobil Oil
(B) Synthetic oil
(C) Lubricant oil
(D. ALL OF THE ABOVE
Answer - (B)
16. Which oil is filled in the transformer?
(A) Mobil Oil
(B) Synthetic Oil
(C) Insulin oil
(D) Cooking oil
Answer - (B)
17. Which switch is used to turn on or off the three phases simultaneously -
(A) One way switch
(B) ICDP switch
(C) ICTP Switch
(D) rotary switch
Answer - (C)
18. The value of which electrical amount does not change in the transformer?
(A) voltage
(B) current
(C) power
(D) frequency
Answer - (D)
19. Which electrical quantity is directly proportional to the vortex current?
(A) Voltage
(B) Current
(C) Frequency
(D) Resistance
Answer - (C)
20. What is the wattage capacity of a normal fluorescent tube light?
(A) 120 watts
(B) 200 watts
(C) 40 watts
(D) 60 watts
Answer - (C)