Related Questions

A 4 pole generator with 16 coil has a 2-layer lap winding. The pole pitch is -
A 8
B 4
C 16
D 32
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will
A Cause withdrawing or throttling of steam
B Reduce length of effective stroke of piston
C Reduce maximum opening of port to steam
D All of these
Which of the following property sets pitch or tone (high or low) for the synthesized speech when reading an element; the pitch may be specified absolutely or relative to the normal pitch for the voice-family used to read the text?
A voice-check
B voice-format
C voice-pitch
D voice-volume
In D.C. generators, lap winding is used for
A High voltage, high current
B Low voltage, high current
C High voltage, low current
D Low voltage, low current
Lap winding is composed of
A Any even number of conductors
B Any odd number of conductors
C That even number which is exact multiple of poles + 2
D That even number which is exact multiple of poles
In lap winding, the number of brushes is always
A Double the number of poles
B Same as the number of poles
C Half the number of poles
D Two
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
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is
A More
B Same
C Less
D Twice
Two forces of magnitude 3m and 2m respectively have a resultant R. if the first force is doubled, the magnitude of the resultant is doubled.Find the angle betuween forces?
A 90°
B 120°
C 135°
D 145°
3N ও 2N মানের দুইটি বলের লদ্ধি R । প্রথম বলের মান দ্বিগুণ করলে লদ্ধির মানও দ্বিগুণ হয়। বলদ্বয়ের মধ্যবর্তী কোণের মান হবে- (The resultant of two forces 3N and 2N is R. If the first force is doubled then the resultant is also doubled. The angle between the forces is-)
A 30°
B 45°
C 65°
D 120°

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