Electrical Engineering MCQs

3699 MCQs  — Computer Programming MCQs  (Page 360 of 370)

The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except:_____________?
A. Armature reaction
B. Armature resistance drop
C. Field weakening due to armature reaction and armature
D. Commutation
Which of the following generator will have negligible terminal voltage while running on no-load?
A. Series generator
B. Shunt generator
C. Compound generator
D. Separately excited generator
In over compounded generator, full load terminal voltage is______________?
A. Almost zero
B. Less than no load terminal voltage
C. More than no load terminal voltage
D. Equal to no-load terminal voltage
In a level compounded D.C. generator, full load terminal voltage is______________?
A. Negligibly low
B. Equal to no-load terminal voltage
C. More than no-load terminal voltage
D. Less than no-load terminal voltage
An exciter for a turbo generator is a_____________?
A. Separately excited generator
B. Shunt generator
C. Series generator
D. Compound generator
In case of a flat compounded generator:
A. Voltage generated is less than the rated voltage
B. Generated voltage is proportional to the load on the generator
C. Voltage remains constant irrespective of the load
D. Speed varies in proportion to the load on the generator