Related Questions

________ cooling is the process of dissipating the armature and field winding losses to a cooling medium circulating within the winding insulation wall
A Direct
B Indirect
C Conventional
D Any of the above
The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is
A 2
B 4
C 6
D 8
In AC.S.R. Conductors, the insulation between aluminium and steel conductors is
A Insulin
B Bitumen
C Varnish
D No insulation is required
The commutator segments are connected to the armature conductors by means of
A Copper lugs
B Resistance wires
C Insulation pads
D Brazing
The weight of copper of both armature and field windings decreases with _____ in number of poles.
A increase
B decrease
C either of the above
D none of the above
A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing.If the poles of the fence are kept 5meteres apart,how many poles will be needed?
A 55
B 56
C 57
D 58
A farmer built a fence around around his square plot. He used 27 fence poles on each side of the square. How many poles did he need altogether?
A 100
B 104
C 108
D 120
In a three-phase induction motor, the number of poles in the rotor winding is always
A Zero
B More than the number of poles in stator
C Less than number of poles in stator
D Equal to number of poles in stator
The emf generated in a dc generator is directly proportional to
A Flux per pole
B No, of oples
C Spped of armature
D all above
The resistance of armature winding depends on
A Length of conductor
B Cross-sectional area of the conductor
C Number of conductors
D All of the above

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