Thermodynamics-Carnot Engine and Its Efficiency [JEE (Based on NTA Guidelines-IIT Engg.) Mains Physics]: Questions 1 - 5 of 25

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Question 1

Question MCQ▾

The temperature of sink of Carnot engine is 27°C and Efficiency of engine is 50% . Then temperature of source

Choices

Choice (4)Response

a.

227°C

b.

127°C

c.

27°C

d.

327°C

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Question 2

Appeared in Year: 2017

Question MCQ▾

A Carnot engine having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is , the amont of energy absorbed from the reservoir at lower temperature is:

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 3

Question MCQ▾

The efficiency of a Carnot engine working between 800 K and 500 K is -

Choices

Choice (4)Response

a.

0.4

b.

0.375

c.

0.5

d.

0.625

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Question 4

Appeared in Year: 2007

Question Numeric Answer▾

A Carnot engine, having an efficiency of as heat engine, is used as a refrigerator. If the work done on the system is the amount of energy absorbed from the reservoir at lower temperature is; (AIEEE)

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Question 5

Appeared in Year: 2022

Question Numeric Answer▾

In a Carnot engine, the temperature of reservoir is and that of sink is 200 K. If the work done by the engine when it transfers heat from reservoir to sink is 12000 kJ, the quantity of heat absorbed by the engine from reservoir is ________ . (27 June Morning Shift Phase 1)

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