Basic Electrician Theory MCQ In English ||01||

1. Who first discovered the electricity

(A) Dalton

(B) Einstein

(C) Newton

(D) Thales

Answer- (D) Thales

2. Energy can neither be generated nor destroyed, is related

(A) Newton's Second Law

(B) Einstein's Law of Energy

(C) Electric energy law

(D) Law of energy conservation

Answer- (D) Law of energy conservation

3. Cause of accident

(A) No danger awareness

(B) Careless about safety

(C) No serious about work

(D) All of the above

Answer- (D) All of the above

4. Generally above which volt is the electric shock -

(A) 10 volt

(B) 30 volts

(C) 90 volts

(D) 230 volt

Answer- (C) 90 volts

5. The value of the man supply voltage in the coaches of ships, aircraft and trains is

(A) 110V

(B) 230V

(C) 400V

(D) 650V

Answer- (A) 110V

6. Fire should be extinguished with in the current flow electric line

(A) With water

(B) CTC

(C) Petrol

(D) Diesel

Answer- (B) CTC

7. Earth Wire should be connected -

(A) In a man line

(B) From the body of the device

(C) With phase

(D) All of the above

Answer- (B) From the body of the device

8. Man switch should be made ………………… before replacing the fuse wire.

(A) Closed

(B) On

(C) No change

(D) Any of the above

Answer- (A) Closed

9. Phase wire should be connected in the circuit

(A) With a switch

(B) With Earth

(C) With Device

(D) None of the

Answer- (A) With a switch

10. The value of safety coefficient is kept

(A) Minimum

(B) Maximum

(C) Equal to power coefficient

(D) 1

Answer- (B) Maximum

11. These signs of circle shape are made by red border and black bars on the cross bar and white back ground.

(A) Prohibitive sign

(B) Mandatory sign

(C) Warning sign

(D) Informational Sign

Answer- (A) Prohibitive sign

12. Category  B fire Substances suitable for extinguishing

(A) With water

(B) With sand

(C) Dry powder

(D) With CO2

Answer- (C) Dry powder

13. Diesel petrol fires fall under which category

(A) Category -A

(B) Category-B

(C) Category-C

(D) Category -D

Answer- (B) Category-B

14.  Full name of ISI

(A) Indian Standard Institute

(B) International Standard Institute

(C) Inter Service Intelligence

(D) International System Institute

Answer- (A) Indian Standard Institute

15. Based on ISIs standards which year ------- started work in India

(A) 1979

(B) 1969

(C) 1959

(D) 1990

Answer-(B) 1969

16. To wean off a person in contact with electricity -

(A) Main switch should be turned off

(B) Conductor Should be cut with a knife

(C) The victim should be pushed off the line

(D) Any one of the above methods

Answer- (A) Main switch should be turned off

17. To protect from electrical shock ........... the wire should always be controlled by switch

(A) Neutral

(B) Earth

(C) Phase

(D) Fuse

Answer- (C) Phase

18. When separating a main lead from a socket, it should be held and pulled .................

(A) Lead

(B) Cable

(C) Plug-Top

(D) None of the above

Answer- (C) Plug-Top

19. ISO abbreviation of-

(A) Indian standard order

(B) International Standards Organization

(C) International System Order

(D) Indian System Order

Answer-(B) International Standard Order

20. Electrician should use safety belt while working at the recommended height of 9001 rule

(A) 3 M

(B) 2-5 M

(C) 1-8 M

(D) 0-5 M

Answer- (C) 1-8 M

You Can read-
Electrician Theory MCQ In English ||Part-02||