Heat and Thermodynamics MCQ question and answer with solution

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Each section contains 100 MCQs on Heat and Thermodynamics .

What is the relationship between Celsius to Kelvin temperature-

A) 37°C = 273 K B) 0°C = 273 K C) 98.6°C = 273 K D) 0° Kelvin = 273°C

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Water is used in car radiator because of its

A) low density B) easy availability C) high specific heat capacity D) low boiling point

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Find the similarity of the following silver, copper, gold, aluminium.

A) These are all good electrical insulator B) These are all precious metals C) These are all good conductors D) There is no equality

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will

A) remain same B) double C) three times D) four times

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The universe has a tendency to entropy-

A) the minimum B) zero C) Average D) Maximum

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

If a gas is compressed to half of its original volume at 27°C, to what temperature should it be heated to make it occupy its original, volume?

A) 327°C B) 600°C C) 54°C D) 300°C

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following principle is used to produce low temperatures?

A) Superconductivity B) Joule-Kelvin effect C) Thermos-electric effect D) Adiabatic demagnetisation

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which one of the following statements is not correct?

A) The velocity of sound in air increases with the increase of temperature B) The velocity of sound in air is independent of pressure C) The velocity of sound in air decreases as the humidity increases D) The velocity of sound in air is not affected by the change in amplitude and frequency

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A conductor is said to be perfect if it has . . . . . . . . electrical conductivity.

A) Zero B) Finite C) Infinite D) Unity

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The value of 40 degrees Celsius in Fahrenheit scale is

A) 104°F B) 100°F C) 102°F D) 75°F E) None of the above/More than one of the above

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Heat and Thermodynamics MCQ question and answer with solution | Physics Gk MCQs