29.

81.

32.

88.

34.

35.

The function of a surge tank in a hydro-electric power plant is :

(A)
(B)
(0)
फ)

to control the level of water in the reservoir

to increase the power output from the turbine

10 store excess water from the reservoir

o control the pressure fluctuation in the penstock pipe

Control rod is used in nuclear power plant, in order to :

(ಗಿ)
(8)
(0)
(0)

control the pressure of coolant

control the flow rate of coolant

control the nuclear chain reaction

slow down the fast moving neutrons in the reactor

The condition with which the Ohm's law is valid when :

കര
(B)
(0)
D)

Voltage is directly proportional to current
Voltage is inversely proportional to current
Current is proportional to resistance
Temperature remains constant

Lenz's law is used ‏ما‎ determine the direction of :
(A) Dynamically induced emf
(0) Magnetic field

(B) Statically induced emf
(D) Mutually induced emf

Two resistors of 10 ohm and 20 ohm are connected in parallel. If the current in 10 ohm
resistor is 2 A what is the current in the other resistor?

ര 14 B) 34
(© 24 ©

The main function of Earth Leakage Circuit Breaker (ELCB) is to protect the circuit
against :

(A) over-current
(C) lightning

(18) under voltage
(D) earth leakage current

The voltage across an RLC series ac circuit is 10 V. What will be the voltage across the
capacitor (C) if the voltage across the resistance (R) is 8 V and the inductor (L) is 12%)

(^) 8V (ए) 18V
© 8% D) 12V

7 5
1.1.0.]