Mass of Earth is___________?

A. 5.972 × 1024 kg.
B. 6.972 × 1024 kg
C. 7.972 × 1024 kg
D. 8.972 × 1024 kg

When was MS Windows operating system introduced?

A. 1975
B. 1985
C. 1990
D. 2000

Old name of Zimbabwe is__________?

A. Southern rhodesia
B. Northern rhodesia
C. Saigon
D. Zaire

Begum Kulsoom Nawaz served as the President of Pakistan Muslim League-Nawaz (PML-N) from _____ to 2002?

A. 1997
B. 1998
C. 1999
D. 2000

Which country’s Foreign Minister visited Pakistan on 14 September 2018 ?

A. Usa
B. Turkey
C. China
D. India

What is the Name of Turkey Foreign Minister who visited Pakistan on 14 September 2018?

A. Mevlut cavusoglu
B. Adnan menderes
C. Refik saydam
D. Safa giray

Which of the following motor will have relatively higher power factor ?

A. Capacitor run motor
B. Shaded pole motor
C. Capacitor start motor
D. Split phase motor

In a shaded pole motor, the shading coil usually consist of___________?

A. A single turn of heavy wire which is in parallel with running winding
B. A single turn of heavy copper wire which is short-circuited and carries only induced current
C. A multilayer fine gauge copper wire in parallel with running winding
D. None of the above

The rotor developed by a single-phase motor at starting is___________?

A. More than i.he rated torque
B. Rated torque
C. Less than the rated torque
D. Zero

In a split phase motor____________?

A. The starting winding is connected through a centrifugal switch
B. The running winding is connected through a centrifugal switch
C. Both starting and running windings are connected through a centrifugal switch
D. Centrifugal switch is used to control supply voltage