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Q:

For an ideal gas, which one of the following statements does not hold true?

A) The speed of all gas molecules is same B) The kinetic energies of all gas molecules are not same
C) The potential energy of the gas molecules is zero D) There is no interactive force between the molecules.
 
Answer & Explanation Answer: A) The speed of all gas molecules is same

Explanation:

In an ideal gas, at any particular time, different particles in the gas have different speeds and hence different kinetic energies. This assumption is reasonable because as the particles collide, we expect their speed to change. Even if initial speed of all the particles was same, the molecular collisions will disrupt this uniformity.Hence statement 1 is incorrect and 2 is correct.

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Filed Under: Physics
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Q:

The quality or tone of a musical sound produced by a stringed instrument depends on

A) frequency of vibration B) length of the strings in the instrument
C) Amplitude of vibration D) waveform of the sound
 
Answer & Explanation Answer: D) waveform of the sound

Explanation:
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Filed Under: Physics
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Q:

Which is the most polluted city in the world, according to Air Quality Index 2018?

A) Sydney B) New Delhi
C) Mumbai D) Islamabad
 
Answer & Explanation Answer: B) New Delhi

Explanation:

New Delhi is the most polluted city in the world, according to Air Quality Index 2018.

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Filed Under: General Awareness
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Q:

India's largest start up ecosystem has launched in which state?

A) Uttar Pradesh B) Gujarat
C) Uttarakhand D) Kerala
 
Answer & Explanation Answer: D) Kerala

Explanation:
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Q:

When was Postal Index Number (PIN) or PIN Code introduced in India?

A) 1974 B) 1973
C) 1972 D) 1971
 
Answer & Explanation Answer: C) 1972

Explanation:

PIN (Postal Index Number) was introduced in INDIA on August 15, 1972. This is the coding system used by postal services of India for different areas. Totally in our country there are 9 divisions, of which 8 are geographical & 9th is reserved to army.

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Q:

The hazardous component in most antifreeze is

A) Ethane alcohol B) Ethylene Glycol
C) Ehtylene D) Ethene
 
Answer & Explanation Answer: B) Ethylene Glycol

Explanation:

Ethylene Glycol is an antifreeze is an additive which lowers the freezing point of a water-based liquid and increases its boiling point. 

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Filed Under: Chemistry
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Q:

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

This telephone number is not existing.

A) does not exist B) has not been existing
C) has had no existence D) No improvement
 
Answer & Explanation Answer: A) does not exist

Explanation:

Use of ‘is’ is incorrect, the correct usage should be ‘does not exist’.

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Bacteria and archaea are similar in which of the following?

A) Plasma membrane ester linkage B) Possessing prokaryotic cells
C) Peptidoglycan cell walls D) Methionine as the start signal for protein synthesis
 
Answer & Explanation Answer: B) Possessing prokaryotic cells

Explanation:

Bacteria and archaea are similar in possessing prokaryotic cells.

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Filed Under: Biology
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