(a) Very High
(b) About
Some Ohm
(d) 250 to 3002
33 A 10 HP, 240V DC Shunt Motor full Load current is
(a) 15A
(b) 20 A
СТА
(d) 35 A
34
The insulation between two segments of commutator
(a) Paper
(b) Wood
(c) Fiber
d) Alica
35. The DC Motor efficiency high when
(a) High Constant Loss
(b) Low Variable Loss
(c) High Variable Loss
d) Constant Loss & Variable Loss B
36. The normal value of the armature of a DC Motor is
(a) 0.005
TOT0.5
(c) 10
(d) 100
37 In a DC Motor, unidirectional torque is produced with help of
(a) Brushes
(b) Commutator
(c) End - Plates
Va Bóth A&B
38 The induced EMF in the armature conductors of a DC Motor is
(YSinusoidal
(b) Trapezoidal
Iri Rectangular
(d) Alternating
The Maximum torque of DC Motors is limited by
Vommutation
(b) Heating
10) Seed
di Amature Current
Betv eer No load and Full
Alotor develous the least torque
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calculate the value of x in the given figure
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