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SSC JE EE Score Booster Quiz 8
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Question 1
Interpole winding is connected in
Question 2
In a d.c. machine, the armature mmf is
Question 3
A dc shunt generator has a speed of 800 rpm when delivering 20 A to the load at the terminal voltage of 220V. If the same machine is run as a motor it takes a line current of 20A from 220V supply. The speed of the machine as a motor will be
Question 4
A 10-pole d.c. machine has a lap-wound armature. It has 600 conductors, each of resistance 0.05 Ohm. What is the armature resistance?
Question 5
An 8-pole duplex lap winding will have ……………..parallel paths.
Question 6
A 4-pole d.c. shunt generator with a wave-wound armature having 390 conductors has to supply a load of 500 lamps each of Allowing for the voltage drop in the connecting leads between the generator and the load and a contact drop of per brush, what is the generated e.m.f.? The flux/pole and
Question 7
The commutator in a d.c. machine can convert
Question 8
In a shunt would d.c. machine (generator or motor), the shunt field winding consists of
Question 9
Fig. shows the d.c. shunt motor on no-load. The quantity represents ………………………
Question 10
A series motor will over speed when ………………..
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Mar 23ESE & GATE EE