1. Energy meter measures the
(A) Power consumed in a specific time
(B) Power of a circuit
(C) Both a & b
(D) Apparent power in volt amperes
2. An energy meter counts one unit when
(A) 1KW power is used in one minute
(B) 1KW power is used in one hour
(C) 1W power is used in one minute
(D) 1W power is used in one second
3. Commercial unit of electrical energy is
(A) Watt second (WS)
(B) KWH
(C) KW
(D) Joule
4. Energy meter is also called
(A) KWH meter
(B) Watt hour meter
(C) Watt meter
(D) Both a & b
5. Single phase induction type energy meter works on
(A) AC supply only
(B) DC supply
(C) Both on AC & DC supply
(D) Any type of supply
6. This is not a part of single phase energy meter
(A) Braking magnet
(B) Current coil
(C) Pressure coil
(D) Control spring
7. Electromechanical type Energy meters being used now a days
(A) Electrolytic type
(B) Commutator motor type
(C) Clock type
(D) Induction type
8. The shape of electromagnet of pressure coil of single phase energy meter is
(A) None of these
(B) U shaped
(C) L shaped
(D) E shaped
9. The shape of electromagnet of current coil of single phase energy meter is
(A) E shaped
(B) L shaped
(C) U shaped
(D) S shaped
10. Number of terminals used in the single phase energy meter are
(A) 02
(B) 04
(C) 07
(D) 06