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A series RLC circuit takes leading power factor eurrent at ;
(A) Resonant frequency (B) More than resonant frequency
(0) Less than resonant frequency (D) None of the above

In the output voltage of a DC generator the ripple effects can be reduced by increasing the :
(ಗಿ) Field current
(18) Number of armature coil
(C) Number of turns in the field winding
(D) Size of the conductor of the armature coil

While installing power sub-circuits in domestic installations it should be restricted to :
(A) 800 watts with in 10 light and fan points
(B) 800 watts within 2 outlets
(C) 3000 watts within 10 light and fan points
(1) 3000 watts within 2 outlets

What type of compounding would be desirable in the DC generator feeding a long
transmission line?

(ಗಿ) Over compounding (3) Under compounding
(0 Flat compounding യ) കായ one of the above

The most economic method of electrical braking is :
(ക്ര Plugging
(B) Dynamie braking with self excitation
(0 Regenerative braking
(D) Dynamic braking with separate excitation

When a DC series motor is connected to an AC supply, then :
(ಗಿ) It will stop
(B) It may burnt out
(0 Tt will run without any trouble
(D) It will run with less efficiency and high spark at commutator

Dummy coils in a DC generator is provided :
(ക) To amplify voltage
(0) To reduce eddy current losses
(C) Toenhance flux density
(D) To provide mechanical balance to the rotor

When the number of poles and the number of armature conductors are fixed, then which
winding of a DC generator will give the higher e.m.f.?

(A) Wave winding (18) Lap winding

(C) Same e.m.f. in lap and wave winding (D) Depends on other features of design

035/2016 8 A