Related Questions

Which of the following motors is most suitable for signalling devices and many kinds of timers ?
A D.C. shunt motor
B D.C. series motor
C Induction motor
D Reluctance motor
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors?
A Low cost
B Wide speed range
C Stability
D High starting torque
Automatic signaling is used for which of the following trains?
A Mail and express trains
B Superfast trains
C Suburban and Urban electric trains
D All trains
The following statements best describe the transmembrane signaling processes involved in the action of predinosolone by activation of
A Cytoplasmic Heat Shock Protein (HSP 90)
B The nuclear transcription process
C Messenger RNA (mRN
D Tyrosine kinase - linked receptor
E G protein that activate adenyl-cyclase
Which of the following single-phase motors is suitable for timing and control purposes ?
A Reluctance motor
B Series motor
C Repulsion motor
D Universal motor
As hysteresis motors are free from mechanical and magnetic vibrations therefore these are considered as suitable for
A fans
B blowers
C sound equipment
D mixer grinders
Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity?
A Swinburne's test
B Hopkinson's test
C Field test
D Brake test
Which of the following allows devices on one network to communicate with devices on another network?
A multiplexer
B gateway
C t-switch
D modern
E None of the above
Devices on one network can communicate with devices on another network via a
A file server
B utility server
C printer server
D gateway
E None of the above
Most of the fractional horsepower motors have either
A hard and annealed bearings
B ball or roller bearings
C soft and porous bearings
D plain or sleeve bearings

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