16.

17.

18.

18.

20.

21.

22.

28.

24.

A 3 point starter is used to :
(A) control the speed
(C) limit the current

An AC Generator is equiped with :
(4) commutator
(€) ‏نعمت عد‎

The speed of a rotating field is known as :

(ಗಿ) ‏رتاه‎
‎(0) synchronous speed

An induction motor works on the hasis of :

(4) Fleming's rule
)0 Ohms law

A single phase induction motor has :
(ಗ) 079 808107 winding
(0) three stator winding

(0)
फ)

(8)
യു

(8)
(D)

(B)
തു

(8)
(D)

control the load

decrease the efficiency

split ring
slip rings

field speed
actual speed

Thump rule
Lenz's law

two stator winding

no stator ೫10178

The ratio of ampere hour efficiency to Watt hour efficiency of a lead 8010 ೧೮1118 :

(ಗ) less than one
(0) greater than one

A constant voltage charging system :

(A) increases charging time

(C) same as constant current system

A kWh meter is classified as :
(ക indicating instrument,
(C) integrating instrument

രൂ
D)

(2)
യു

ம்‌
)

one

2570

reduces charging time

it may increase or decrease

recording instrument

measuring instrument

The torque of an ammeter varies as the square of the current through it. If a current of 5A
produces a deflection of 90°, what deflection will occur for a current of 3A, when the

instrument is spring controlled :
(4) 162
(0) 44.45

(0)
യു

324
66.25

164/2016
[P.T.O]