61.

62,

63.

65.

66,

67.

The dead weight of an electric train is 200 tonnes. The distance between station is 1.6 kms
and there is a uniform gradient of 1 in 80 between the stations, The tractive effort due to
gradient is :

(ಗಿ) 2000 kg (8) 2500 kg (C) 250 kg (D) 320 kg

For a given schedule speed, the specific energy consumplion for an electric train is :
(ಗಿ) larger for suburban service

(B) larger for main line service

(ल) equal for suburban and main line services

(D) 7೦೧೯ ೦ 1೧೯ above

Which of the following material is used as a moderator in nuclear reactors ?
(ക) Boron (8) Plutonium (€) ன்ப (D) Graphite

Choke is provided in a fluorescent lamp to :
(ക) eliminate corona effect

(8) avoid radio interference

(C) provide stability to the arc in the tube
(D) improve power factor

Which of the following use a resonant converter for its operation ?
(^) Incandescent lamp (8) Fluorescent lamp
(€) CFL (D) LED lamp

What will happen if the field of a DC motor opened while running ?
(^) फिर armature current will reduce

(8) motor will attain dangerously high speed

(9 speed of the motor will be reduced

(D) வலில will continue to run at constant speed

Which of the following motor has highest no load speed ?
(A) series (B) ടിസ!
(C) cumulative compound (0) differential compound

The resistance ല്‌ ഒ moving coil instrument is 10 2 which gives full scale deflection when
carrying a current of 50 mA. What should be the value of shunt to be connected to extend its
range to 100 A ?

(4) 010 (8) 00005 ೧ €) 050 (D) 0005 ೧

117/2014 10 A