Related Questions

The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver
A cannot talk at once
B can receive and send data simultaneously
C can send or receive data one at a time
D can do one way data transmission only
E None of the above
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
For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f.?
A Lap winding
B Wave winding
C Either of (A) and (B) above
D Depends on other features of design
________ 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
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
Key concept under which technique are network of events and activities , resource allocation, time and cost considerations, network paths and critical paths ?
A Game Theory
B Network Analysis
C Decision Theory
D None of the above
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
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
In the case of lap winding resultant pitch is
A Multiplication of front and back pitches
B Division of front pitch by back pitch
C Sum of front and back pitches
D Difference of front and back pitches
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

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