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

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Why metals conduct electricity?

A) Because of low melting point	B) Because of high tensile strength
C) Because of free electrons	D) Because of high atomic density

Answer & Explanation Answer: C) Because of free electrons

Explanation:

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Q:

Which of the following is a renewable source of energy?

A) Coal	B) Petroleum
C) Plant	D) Natural Gas

Answer & Explanation Answer: C) Plant

Explanation:

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Q:

The color with the longest wavelength is

A) Red	B) Violet
C) Indigo	D) Orange

Answer & Explanation Answer: A) Red

Explanation:

Each color has a different wavelength.

Red has the longest wavelength and violet has the shortest wavelength.

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Exam Prep: Bank Exams , CAT

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Q:

When a ray of light travels from a denser medium to a rarer medium, it bends

A) towards the normal and speeds up	B) towards the normal and slows down
C) away from the normal and speeds up	D) away from the normal and slows down

Answer & Explanation Answer: C) away from the normal and speeds up

Explanation:

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Q:

Which of the following gases emitted from automobile exhaust is poisonous?

A) Carbon monoxide	B) Carbon dioxide
C) Hydrocarbons	D) Sulphur dioxide

Answer & Explanation Answer: A) Carbon monoxide

Explanation:

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Q:

Who generally presents the Finance Budget in Indian Parliament?

A) RBI Governor	B) Budget Minister
C) Finance Minister	D) Finance Secretary

Answer & Explanation Answer: C) Finance Minister

Explanation:

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Exam Prep: CAT , Bank Exams

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

There is something in a train journey that (was fascinated) a lot of people and I am one of them.

A) has fascinated	B) have fascinated
C) has fascinate	D) no improvement

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