Q:

Consider the following statements :

1. There is no net moment on a body which is in equilibrium.

2. The momentum of a body is always conserved.

3. The kinetic energy of an object is always conserved.

Which of the statements given above is/are correct?

A) 1, 2 and 3	B) 2 and 3 only
C) 1 and 2 only	D) 1 only

Answer & Explanation Answer: C) 1 and 2 only

Explanation:

There are two conditions that must be met for an object to be in equilibrium. The first condition is that the net force on the object must be zero for the object to be in equilibrium. If net force is zero, then net force along any direction is zero.

Kinetic energy (KE) is the energy of motion, and kinetic energy is not always conserved in a collision

Energy and momentum are always conserved.

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2 39900

Q:

Which one of the following is applicable to collision-coalescence process of precipitation?

A) Clouds which do not extend beyond the freezing level	B) Clouds which extend beyond the freezing level
C) All types of clouds	D) Cirrocumulus cloud

Answer & Explanation Answer: A) Clouds which do not extend beyond the freezing level

Explanation:

In colder clouds: droplets formed by Bergeron mechanism. But, in many parts of the world the air is too warm for ice crystals to form. This being the case, rain and snow cannot develop following the Bergeron Process. Instead, tiny droplets form as they collide into one another creating larger and larger droplet, this is known as collision-coalescence process. So, warmer clouds are associated with this keyword.

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2 39881

Q:

What per cent of the total geographic area of India is occupied by the Protected Areas?

A) 2.5%	B) 10%
C) 7.5%	D) 5%

Answer & Explanation Answer: D) 5%

Explanation:

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0 39866

Q:

Rearrange the parts of the sentence in correct order.

P: Added to this is their economic dissatisfaction.
Q: The youth get frustrated when they see a great deal of disparity between the theory and its application.
R: All these factors blend together and give rise to a cult of violence.
S: This causes them to wonder whether all that they ever learnt would overcome in use or would go waste.

A) QSPR	B) QPRS
C) QSRP	D) SPQR

Answer & Explanation Answer: A) QSPR

Explanation:

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0 39857

Q:

When was Pakistan's capital Islamabad was built?

A) In the 1940s	B) In the 1950s
C) In the 1960s	D) No option is correct

Answer & Explanation Answer: C) In the 1960s

Explanation:

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1 39850

Q:

Rearrange the parts of the sentence in correct order.

Over population of humans is

P : the biggest factor behind so

Q : many social, sustainable and environmental

R : issues all over the world

A) RQP	B) QPR
C) PRQ	D) PQR

Answer & Explanation Answer: D) PQR

Explanation:

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2 39823

Q:

Improve the bracketed part of the sentence.

I would love (to availing) a short holiday, and go for an overnight trek.

A) to avail myself of	B) to avail of
C) to avail myself	D) no improvement

Answer & Explanation Answer: C) to avail myself

Explanation:

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0 39819

Q:

India accounts for half of the world's total number of :

A) Cattle	B) Sheep
C) Buffaloes	D) Camels

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