Heat and Thermodynamics MCQ question and answer with solution

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Each section contains 100 MCQs on Heat and Thermodynamics .

Ice is packed in saw dust because

A) saw dust will not get melted easily B) saw dust is poor conductor of heat C) saw dust is a good conductor of heat D) saw dust does not stick to the ice

Discuss

Answer & Solution

Answer: Option B

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

The value of 50°C in Fahrenheit scale is

A) 104°F B) 122°F C) 100°F D) 75°F

Discuss

Answer & Solution

Answer: Option B

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

Which of the following statements is not true?

A) Air-conditioner and Air-cooler both maintain temperature B) Air-conditioner and Air-cooler both maintain humidity C) Air-conditioner maintains humidity but Air-cooler does not maintain humidity D) Both control motion of air

Discuss

Answer & Solution

Answer: Option B

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

What is the boiling point of water?

A) 210° Fahrenheit B) 212° Fahrenheit C) 214° Fahrenheit D) 208° Fahrenheit

Discuss

Answer & Solution

Answer: Option B

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

In winter you touch a log of wood and a rod of iron, you will feed rod of iron is colder because

A) The heat of rod of iron is less than the heat of log of wood B) In comparison to wood, iron is good conductor of heat C) In comparison to wood, iron is bad conductor of heat D) The rod of iron is heavier than the log of wood

Discuss

Answer & Solution

Answer: Option B

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

Boiling point of water is . . . . . . . .

A) 210°F B) 212°F C) 214°F D) 208°F

Discuss

Answer & Solution

Answer: Option B

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

What causes water pipes burst at freezing temperature?

A) Expansion B) Construction C) Humidification D) Preservation

Discuss

Answer & Solution

Answer: Option A

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

What is, the product of pressure and volume and the sum of internal energy?

A) Work done B) Entropy C) Enthalpy D) None of these

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Answer & Solution

Answer: Option C

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

Thermal conductivity of aluminium, copper and stainless steel increases in the order

A) Copper < Aluminium < Stainless Steel B) Stainless Steel < Aluminium < Copper C) Aluminium < Copper < Stainless Steel D) Copper < Stainless Steel < Aluminium

Discuss

Answer & Solution

Answer: Option B

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

Thermostat is a device which

A) Measures heat B) Measures temperature C) Automatically regulates the temperature of a system D) Automatically regulates pressure of a system

Discuss

Answer & Solution

Answer: Option C

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