Electrician First Year Online CBT Exam MCQs In English -04, 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 First Year Online CBT Exam MCQs In English -04
1. What does techo meter measure?
(A) voltage
(B) current
(C) magnetic flux
(D) RPM
Answer - (D)
2. What is the name of PPE?
(A) nasal cavity
(B) Head armor
(C) Facial armor
(D) hand screen
Answer - (D)
3. What is the size of the mean electrode in the plate earth?
(A) 60 x 60 m
(B) 60 x 60 fit
(C) 60 x 60 centimeters
(D) 90 x 90 m
Answer - (C)
4. What is the signal when checking the AC supply of the Neon Polarity Indicator.
(A) Both electrodes are ignited
(B) only one electrode burns
(C) Both electrodes are flickering
(D) One electrode will burn and the other will glow
Answer - (A)
5. What is polished on the sol plate of the electric press?
(A) GI's
(B) Brass
(C) Chromium
(D) PVC
Answer - (C)
6. Bismuth is the substance of which type of magnetic substance?
(A) ferromagnetic material
(B) Magnetic material
(C) per magnetized material
(D. ALL OF THE ABOVE
Answer - (C)
7. Which fire extinguisher is used for fire in electrical equipment?
(A) Halon type
(B) Foam type
(C) Gas cartridge type
(D) Stored pressure type
Answer - (A)
8. Which of the following is the unit of ampere turn?
(A) magneto motive force
(B) magnetic flux
(C) magnetic saturation
(D) Reluctance
Answer - (A)
9. What is the name of the following joint?
(A) Married joint
(B) scarf joint
(C) Western Union Joint
(D) Britannia T Joint
Answer - (A)
10. Should not be used to extinguish class D fires?
(A) CTC
(B) Foam type
(C) Dry powder
(D) Halon Type
Answer - (B)
11. If the distance of the plates in the capacitor decreases, what will be the change in capacitance value?
(A) will become zero
(B) will remain same
(C) will decrease
(D) will increase
Answer - (D)
12. Measurement of electric power is done?
(A) Ampere
(B) in volts
(C) in watts
(D) in hertz
Answer - (C)
13. What is the function of the top float switch of the Bucholge relay in the transformer?
(A) Activation in presence of moisture
(B) to activate in case of overload
(C) to activate in the case of open circuit
(D) Activating in high temperature conditions
Answer - (B)
14. Which of the following tools will be used to open or tighten nuts and bolts?
(A) Wrench
(B) Achieve Fixed
(C) Ring obtain
(D. ALL OF THE ABOVE
Answer - (D)
15. Which particles of an atom are found in the nucleus of an atom?
(A) electrons and protons
(B) electrons and neutrons
(C) neutrons and protons
(D) None of the above
Answer - (C)
16. Which of the following is a unit of power?
(A) Watts
(B) Ampere
(C) Joule
(D) None of the above
Answer - (C)
17. Power factor can be obtained by using capacitor in an AC circuit.
(A) Forward
(B) Backward
(C) unit
(D. ALL OF THE ABOVE
Answer - (A)
18. Backward power factor can be obtained
(A) Capacitor
(B) Inductor
(C) Resistive
(D) None of the above
Answer - (B)
19. Which of the following is the positive charge found in the particle -
(A) Electron
(B) Proton
(C) Neutron
(D) None of the above
Answer - (B)
20. What is the use of Britannia T joint?
(A) increasing the length of the line
(B) Installing internal and external wiring
(C) To reduce mechanical stress on the driver
(D) To connect to Siropari line for service connection
Answer - (D)