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Q:

Which   one   of   the   following   is   not   a semiconductor?

A) Silicon B) Germanium
C) Quartz D) Gallium arsenide
 
Answer & Explanation Answer: C) Quartz

Explanation:

Semiconductors are the basic materials used in the present solid state electronic devices like diode, transistor, ICs, etc. 2. Lattice structure and the atomic structure of constituent elements decide whether a particular material will be insulator, metal or semiconductor. Semiconductors are elemental (Si, Ge) as well as compound (GaAs, CdS, etc.). Silicon, Germanium, Gallium Arsenide are semiconductors, but Quartz is an insulator.

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Q:

An element A forms an oxide with formula A3O4. What is the valency of element A?

A) 3 B) 2
C) 1 D) 4
 
Answer & Explanation Answer: D) 4

Explanation:
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Invective

A) Invent B) Expressive
C) Abusive D) Invitation
 
Answer & Explanation Answer: C) Abusive

Explanation:
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

 

Nauseous

A) Loathsome B) Benevolent
C) Worthy D) Considerable
 
Answer & Explanation Answer: A) Loathsome

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

Her elegance (1)/ makes her (2)/ an attracting lady. (3)/ No error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

Explanation:
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Nobody gets __________ with a pretentious smug.

A) along B) up
C) about D) through
 
Answer & Explanation Answer: A) along

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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".

Thus we (going) back to what might be termed as old values.

A) went B) gone
C) was going D) no improvement
 
Answer & Explanation Answer: A) went

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To let someone off

A) To let someone fall B) To leave someone in his present state
C) To release someone from blame D) To refuse to answer
 
Answer & Explanation Answer: B) To leave someone in his present state

Explanation:
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