Tomb of Nur Jahan is located in__________?
Tomb of Nur Jahan is located in__________?A. Kabul
B. Agra
C. Lahore
D. Multan
B. Agra
C. Lahore
D. Multan
Tomb of Nur Jahan is located in__________? Read More »
General Knowledge MCQsMost of the fractional horsepower motors have either___________?
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
Most of the fractional horsepower motors have either___________? Read More »
Single Phase Induction MotorsIn a universal motor, the most common cause of brush sparking is___________?
In a universal motor, the most common cause of brush sparking is___________?
A. open armature winding
B. shorted armature winding
C. shorted field winding”
D. high commutator mica
E. all of the above
In a universal motor, the most common cause of brush sparking is___________? Read More »
Single Phase Induction MotorsWhich of the following statements regarding reluctance-start motor is incorrect ?
Which of the following statements regarding reluctance-start motor is incorrect ?
A. It is similar to reluctance motor
B. It is basically an induction motor and not a synchronous one
C. So far as its basic working principle is concerned, it is similar to shaded pole motor
D. the air-gap between rotor and salient poles is non- uniform
Which of the following statements regarding reluctance-start motor is incorrect ? Read More »
Single Phase Induction MotorsIf starting winding of a single-phase induction motor is left in the circuit, it will____________?
If starting winding of a single-phase induction motor is left in the circuit, it will____________?
A. run faster
B. spark at light loads
C. draw excessive current and overheat
D. run slower
If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then____________?
If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then____________?
A. motor will not come up to speed
B. motor will not carry the load
C. current drawn by the motor will be excessively high
D. electrolytic capacitor will, in all probability, suffer break down
Which of the following statements regarding two value capacitor motor is incorrect ?
Which of the following statements regarding two value capacitor motor is incorrect ?
A. It is a reversing motor
B. It is preferred to permanent-split single-value capacitor motor where frequent reversals are required
C. It has low starting as well as rushing currents
D. It has high starting torque
Which of the following statements regarding two value capacitor motor is incorrect ? Read More »
Single Phase Induction MotorsHow Many Countries In Continent Africa?
How Many Countries In Continent Africa?A. 50
B. 52
C. 54
D. 56
B. 52
C. 54
D. 56
How Many Countries In Continent Africa? Read More »
General Knowledge MCQsIf a single phase induction motor runs slower than normal, the most likely defect is_____________?
If a single phase induction motor runs slower than normal, the most likely defect is_____________?
A. worn bearings
B. short-circuit in the winding
C. open-circuit in the winding
D. none of the above
Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because_____________?
Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because_____________?
A. it is comparatively cheaper
B. it has almost non-destructible capacitor
C. it has low starting as well as running currents at relatively high power factor
D. it is quiet in operation