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Q:

When body is accelerated--

A) Its velocity never changes. B) Its speed will always change.
C) Its direction always changes. D) Its speed may or may not change.
 
Answer & Explanation Answer: D) Its speed may or may not change.

Explanation:

Uniform circular motion, that is constant speed along a circular path, is an example of a body experiencing acceleration resulting in velocity of a constant magnitude but the change of direction

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Q:

The SI unit of G, the universal gravitation constant is ______________.

A) N m2 kg2 B) N m2 kg-2
C) N m-2 kg-2 D) N m-2 kg2
 
Answer & Explanation Answer: B) N m2 kg-2

Explanation:
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Q:

To hear a distinct echo the time interval between the original sound and the reflected sound must be at least

A) 0.2 second B) 1 second
C) 0.1 second D) 2 seconds
 
Answer & Explanation Answer: C) 0.1 second

Explanation:
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Q:

The space shuttle which took Sunita Williams beyond earth was

A) Challenger B) Galileo
C) Discovery D) Voyager-2
 
Answer & Explanation Answer: C) Discovery

Explanation:
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Q:

A volcano that is not expected to erupt again is called

A) Cinder cone B) Moraine
C) Lava D) Extinct volcano
 
Answer & Explanation Answer: D) Extinct volcano

Explanation:
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Q:

The Ministry of Power, Government of India has recently constituted a Committee to investigate the causes of the accident that occurred on 1stNovember, 2017 at Feroze Gandhi Thermal Power Plant Ltd., Unchahar, in Uttar Pradesh. Who among the following is the Chairman of the Committee?

A) Dr. L. D. Papney B) Shri Dhawal Prakash Antapurkar
C) Shri Subir Chakraborty D) Shri P. Siwal
 
Answer & Explanation Answer: D) Shri P. Siwal

Explanation:

Power Ministry constitutes a Committee to investigate into the causes of the NTPC, Unchahar Thermal Power Plant accident

The composition of the committee would be as follows:

       Name                                                                                                 Position

Shri P.D. Siwal, Member (Thermal), CEA                                                      Chairman

Shri Subir Chakraborty,Director (Projects), UPRVUNL                                      Member

Shri Dhawal Prakash Antapurkar,Director of Steam Boilers, Maharashtra           Member

Dr. L.D. Papney,Chief Engoneer, (TE&TD), CEA                                              Member & Convenor

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Q:

In April 2017, Prime Minister Narendra Modi inaugurated phase-I (Link-2) pipeline canal of the ambitious Saurashtra Narmada Avtaran Irrigation (SAUNI) in which state?

A) Rajasthan B) Uttar Pradesh
C) Gujarat D) Madhya Pradesh
 
Answer & Explanation Answer: C) Gujarat

Explanation:
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Q:

Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)

A) Geiger counter B) Polarimeter
C) Calorimeter D) Radiometer
 
Answer & Explanation Answer: A) Geiger counter

Explanation:
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