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.Management Sciences
Category: Electrical Engineering Mcqs
In which of the following device the generated emf and armature current are in the opposite directions?
0
A. dc generator
B. dc motor
C. transformer
D. all of the above
In a D.C. generator the critical resistance refers to the resistance of_____________?
A. brushes
B. field
C. armature
D. load
The current drawn by the line due to corona losses is___________?
A. non-sinusoidal
B. sinusoidal
C. triangular
D. square
In open loop system_____________?
A. the control action depends on the size of the system
B. the control action depends on system variables
C. the control action depends on the input signal
D. the control action is independent of the output
A terminal where three on more branches meet is known as______________?
A. node
B. terminus
C. combination
D. anode
In a tansistor, IC = 100 mA and IE = 100.2 mA. The value of ß is____________?
A. 100
B. 50
C. about 1
D. 200
D.C. machines designed with a large value of air gap length have_____________?
A. worst, ventilation
B. poor ventilation
C. better ventilation
D. none of the above
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