Questions

Q:

Crystal size in igneous rocks is determined by

Answer

Crystal size in igneous rocks is determined by rate of cooling i.e, the time taken by magma to cool down. 


 Crystal_size_in_igneous_rocks_is_determined_by1554209716.jpg image


 


Hence, the slower the rate of cooling the larger the crystals. The faster the rate of cooling the smaller the crystals.

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Subject: General Science Exam Prep: Bank Exams , AIEEE
Job Role: Bank Clerk , Analyst

1 2072
Q:

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.

 


To avoid the various foolish opinions to which mankind are prone, no superhuman brain is required. A few simple rules will keep you free, not from all errors, but from silly errors. If the matter is one that can be settled by observation, make the observation yourself. Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted. Thinking that you know when in fact you do not is a bad mistake, to which we are all prone. I believe myself that hedgehogs eat black beetles, because I have been told that they do; but if I were writing a book on the habits of hedgehogs, I should not commit myself until I had seen one enjoying this diet. Aristotle, however, was less cautious. Ancient and medieval writers knew all about unicorns and salamanders; not one of them thought it necessary to avoid dogmatic statements about them because he had never seen one of them.

 

The attitude of the author is

 

A) cultural B) scientific
C) cynical D) philosophical
 
Answer & Explanation Answer: B) scientific

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 2072
Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question,choose the correct alternative and click the button corresponding to it.

After retirement Surti lived _______ Australia.

A) in B) at
C) over in D) over at
 
Answer & Explanation Answer: A) in

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 2072
Q:

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

MALLEABLE

A) TEACHABLE B) INTRACTABLE
C) MANAGEABLE D) PLIABLE
 
Answer & Explanation Answer: B) INTRACTABLE

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 2072
Q:

Improve the bracketed part of the sentence We (should had) the confidence that we will surely succeed one day.

A) could have B) had to have
C) must have D) no improvement
 
Answer & Explanation Answer: C) must have

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 2071
Q:

A dissecting aortic aneurysm occurs when

A) The inner layers of the aorta become separated B) The aorta ruptures, resulting in profound bleeding
C) All layers of the aorta suddenly contract D) None of the above
 
Answer & Explanation Answer: A) The inner layers of the aorta become separated

Explanation:

A dissecting aortic aneurysm occurs when the inner layers of the aorta become separated.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
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3 2071
Q:

Why is argon gas used along with tungsten wire in an electric bulb?

A) To increase the life of the bulb B) To reduce the consumption of electricity
C) To make the emitted light colored D) To reduce the cost of the bulb
 
Answer & Explanation Answer: A) To increase the life of the bulb

Explanation:

Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament.

The use of argon in light bulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.

Argon is also used to create an inert atmosphere for growing semiconductor crystals, arc welding and for processes that need protection from other kinds of atmospheric gases.

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 2071
Q:

If price of an article decreases from Rs 240 to Rs 220, when quantity demanded increases from 200 units to 210 units. Find point elasticity of demand?

A) 0.6 B) -1.8
C) -0.6 D) 1.8
 
Answer & Explanation Answer: C) -0.6

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

0 2071