A Carnot engine, whose efficiency is 40%...

A Carnot engine, whose efficiency is 40%, takes in heat from a source maintained at a temperature of 500 K It is desired to have an engine of efficiency 60%. Then, the intake temperature for the same exhaust (sink) temperature must be

`600K`

efficiency of Carnot engine cannot be made larger than `50%`

`1200K`

`750K`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

GEOMETRICAL OPTICS
ALLEN|Exercise EXERCISE - 05 (B)|58 Videos
GEOMETRICAL OPTICS
ALLEN|Exercise EXERCISE - 05 (B) (MCQ)|9 Videos
GEOMETRICAL OPTICS
ALLEN|Exercise EXERCISE - 04 (B)|15 Videos
CURRENT ELECTRICITY
ALLEN|Exercise EX.II|66 Videos
GRAVITATION
ALLEN|Exercise EXERCISE 4|9 Videos

Similar Questions

Explore conceptually related problems

A carnot engine has efficiency of 80%. If its sink is at 127^(@)C , the find the temperature of source.

A carnot engine has efficiency of 60%. If the source is at 527^(@)C , then find the temperature of sink.

A carnot engine has efficiency of 50% when its sink is at 227^(@)C . What is the temperature of source

The temperature of source of a Carnot engine of efficiency 20% when the heat exhausted is at 240 K is

A carnot engine whose sink is at 290 K has an efficiency of 30%. By how much the temperature of the source be increased to have its efficiency equal to 50%, keeping sink temperature constant

In Carnot engine, efficiency is 40% at hot reservoir temperature T. For efficiency 50% , what will be the temperature of hot reservoir?

In a carnot engine, when heat is absorbed from the source, its temperature

An ideal Carnot's engine whose efficiency 40% receives heat of 500K. If the efficiency is to be 50% then the temperature of sink will be

The efficiency of carnot engine is 50% and temperature of sink is 500K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of the sink will be : -

ALLEN-GEOMETRICAL OPTICS-EXERCISE - 05 (A)

A Carnot engine operating between temperatures T(1) and T(2) has effic...
Text Solution
|
Helium gas goes through a cycle ABCDA (consisting of two isochoric and...
Text Solution
|
A Carnot engine, whose efficiency is 40%, takes in heat from a source ...
Text Solution
|
The above p-v diagram represents the thermodynamic cycle of an engine,...
Text Solution
|
One mole of diatomic ideal gas undergoes a cyclic process ABC as shown...
Text Solution
|
Three rods of Copper, Brass and Steel are welded together to from a Y ...
Text Solution
|
A solid body of constant heat capacity J//""^(@)C is being heated by k...
Text Solution
|
Consider a spherical shell of radius R at temperature T. The black bod...
Text Solution
|
Consider an ideal gas confined in an isolated closed chamber. As the g...
Text Solution
|
The P-V diagram of 2 gm of helium gas for a certain process A to B is...
Text Solution
|
In an ideal gas at temperature T, the average force that a molecular a...
Text Solution
|
An experiment takes 10 minutes to raise the temperature of water in a ...
Text Solution
|
using euipartion of energy, the specific heat ("in" jkg^(-1)K^(-1)of a...
Text Solution
|
‘n’ moles of an ideal gas undergoes a process A to B as shown in the f...
Text Solution
|
An ideal gas undergoes a quasi static, reversible process in which its...
Text Solution
|
A pendulum clock loses 12 s a day if the temperature is 40^(@) and ga...
Text Solution
|
200 g of water is heated from 40^(@)C "to" 60^(@)C . Ignoring the slig...
Text Solution
|
The ratio of work done by an ideal diatomic gas to the heat supplied b...
Text Solution
|
Which of the following shows the correct relationship between the pres...
Text Solution
|
A Carnot freezer takes heat from water at 0^@C inside it and rejects i...
Text Solution
|