Related Questions

In a differentially compounded D.C. motor, if shunt field suddenly opens
A The motor will first stop and then run in opposite direction as series motor
B The motor will work as series motor and run at slow speed in the same direction
C The motor will work as series motor and run at high speed in the same direction
D The motor will not work and come to stop
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
Why are the D.C. motors preferred for traction applications?
A Torque and speed are inversely proportional to armature current
B Torque is proportional to armature current
C Torque is proportional to square root of armature current
D The speed is inversely proportional to the torque and the torque is proportional to square of armature current
For which of the following applications D.C. motors are still preferred?
A High efficiency operation
B Reversibility
C Variable speed drive
D High starting torque
A piece of ribbon 4 yards long is used to make bows requiring 15 inches of ribbon for each. What is the maximum number of bows that can be made?
A 8
B 9
C 10
D 11
A piece of ribbon 8 yeard long is used to make bows requiring 15 inches of ribbon for each. What is the maximum number of bows that can be made?
A 8
B 9
C 19
D 20
Fill in the Gaps :Countries, such as Bangladesh, with ------borders requiring ------must maintain a large army.
A mountainous, arms
B historic, rivers
C vague, elimination
D vulnerable, defense
The questions asked in the Lok Sabha by the member during question hour requiring written answer are :
A Unstarred questions
B Starred questions
C short notice
D none of the above
Which Sikh Guru constituted Khalsa and introduced a new baptism ceremony requiring every Sikh to observe the five K's "Kesh , Kirpan, Kachha, Kanghi and Kara"?
A Guru Govind Singh
B Guru Hari Krishan
C Guru Amar Das
D Guru Tegbhadur
Which is the most appropriate database for developers requiring huge amount of data?
A Database
B Datawarehouse
C Web databases
D Access

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