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Q:

In a transformer the tappings are generally provided on

A) Primary side B) low voltage side
C) High voltage side D) Secondary side
 
Answer & Explanation Answer: C) High voltage side

Explanation:

Tappings are provided in order to maintain the terminal voltage across the loads within the permissible specified limits with respect to load variations.

Generally tappings are preferred on HV side, because the HV side is low current side, tap changer involves low current interruption and large variations or small steps are possible due to more no of turns.

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Q:

Choose the most appropriate answer:Natural radioactivity was discovered by

A) Marie Curie B) Earnest Rutherford
C) Henry Bacquerel D) Enrico Fermi
 
Answer & Explanation Answer: C) Henry Bacquerel

Explanation:

Natural radioactivity was discovered by Henri Bacquerel.

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Q:

Which of the following is not a vector quantity?

A) Momentum B) Displacement
C) Torque D) Speed
 
Answer & Explanation Answer: D) Speed

Explanation:
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Q:

Which one among the following components can not be developed within an "integrated circuit"?

A) Diode B) Triode
C) Transformer D) Transistor
 
Answer & Explanation Answer: C) Transformer

Explanation:
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Q:

In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called _________.

A) force B) acceleration
C) friction D) inertia
 
Answer & Explanation Answer: D) inertia

Explanation:
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Q:

If an object moves in a circular path with uniform ________, its motion is called uniform circular motion.

A) speed B) Time
C) Velocity D) Acceleration
 
Answer & Explanation Answer: A) speed

Explanation:
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Q:

A force of 200 N displaces a body by 4 m, calculate the work done (in J).

A) 40 B) 500
C) 80 D) 800
 
Answer & Explanation Answer: D) 800

Explanation:
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Q:

Which of the following is NOT an application of Fiber optics?

A) Power Generation B) Computer Networking
C) Sensors D) Power Transmission
 
Answer & Explanation Answer: A) Power Generation

Explanation:
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