Home
Class 11
PHYSICS
An engine is supposed to operate between...

An engine is supposed to operate between two reservoirs at temperature 727°C and 227°C. The maximum possible efficiency of such an engine is

A

`3/4`

B

`1/4`

C

`1/2`

D

1

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise (V ) Choose the Correct Pair:|1 Videos

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise (V I) Choose the Incorrect pair :|3 Videos

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise (III) Fill In The Blacnks :|12 Videos

  • GRAVITATION

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|4 Videos

  • KINEMATICS

    SURA PUBLICATION|Exercise Creative Question (HOTS)|12 Videos

Similar Questions

Explore conceptually related problems

The efficiency of Carnot's engine operating between reservoirs, maintained at temperature 27°C and -123°C is

A steam engine boiler is maintained at 250^(@)C and water is converted into steam. This steam is used to do work and heat is ejected to the surrounding air at temperature 300K. Calculate the maximum efficiency it can have?

A Carnot engine converts one-sixth of the heat into work. When the temperature of the sink is reduced by 62°C, the efficiency of the engine is doubled. The temperature of the source and sink are

Two carnot engines A and B are operated in series . The engine A receives heat from the source at temperature T_1 and rejects the heat to the sink at temperature T .The second engine B receives the heat at temperature T and rejects to its sink at temperature T_2 . For what value of T the efficiences of the two engines are equal?

A uniform slab of dimension 10cmxx10cmxx1cm is kept between two heat reservoir at temperatures 10^(@)C and 90^(@)C . The larger surface areas touch the reservoirs. The thermal conductivity of the material is 0.80Wm^(-1)C^(-1) . Find the amount of heat flowing through the slab per minute.

A carnot engine absorbs heat at 127^(@)C and rejects heat at 87^(@)C . The efficiency of engine is

What is the value of sink temperature, when efficiency of engine is 100%.