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Q:

What is the SI unit of Power?

A) Boyle B) Watt
C) Newton D) Pascal
 
Answer & Explanation Answer: B) Watt

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Q:

Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.

A) 12500 B) 20
C) 40 D) 6250
 
Answer & Explanation Answer: B) 20

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Q:

Calculate the pressure (in Pa) if a thrust of 600 N is applied to an area of 24 sq.m.

A) 144 B) 50
C) 25 D) 72
 
Answer & Explanation Answer: C) 25

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Q:

What is the SI unit of electric current?

A) Newton B) Joule
C) Ampere D) Watt
 
Answer & Explanation Answer: C) Ampere

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Q:

In nuclear reactor, cadmium rods are used as which of the following?

A) Fuel B) Moderator  
C) Controller   D) Lubricant
 
Answer & Explanation Answer: C) Controller  

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Q:

Choose the most appropriate answer:In which atmospheric layer are the communication satellites located?

A) Stratosphere B) Ionosphere
C) Troposphere D) Mesosphere
 
Answer & Explanation Answer: B) Ionosphere

Explanation:

The communication satellites are located in Ionosphere.

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Q:

The unit of measurement of noise is

A) Decibel B) Hertz
C) Amplifier D) Acoustics
 
Answer & Explanation Answer: A) Decibel

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Q:

The force of friction between two surfaces will increase if:

A) a layer of lubricant is kept between the two surfaces B) the two surfaces are pressed harder
C) air gap is created between the two surfaces D) irregularities on both the surfaces are removed
 
Answer & Explanation Answer: B) the two surfaces are pressed harder

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