Home
Class 12
PHYSICS
A Carnot engine has an efficiency of 20%...

A Carnot engine has an efficiency of `20%`. When temperature of sink is reduced by `80°C` its efficiency is doubled. The temperature of source is

A

`1492°C`

B

`400°C`

C

`127°C`

D

`80°C`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

A Carnot engine has an efficiency of 1//6 . When the temperature of the sink is reduced by 62^(@)C , its efficiency is doubled. The temperature of the source and the sink are, respectively.

An engine has an efficiency of 1/6 . When the temperature of sink is reduced by 62^(@)C , its efficiency is doubled. Temperature of the source is

An engine has an efficiency of 1/6 . When the temperature of sink is reduced by 62^(@)C , its efficiency is doubled. Temperature of the source is

An engine has an efficiency of 0.25 when temperature of sink is reduced by 58^(@)C , If its efficiency is doubled, then the temperature of the source is

A reversible engine converts one-sixth of heat input into work. When the temperature of sink is reduced by 62^(@)C, its efficiency is doubled. Find the temperature of the source and the sink,

A Carnot engine efficiency is equal to 1/7 . If the temperature of the sink is reduced by 65 K , the efficiency becomes 1/4 . The temperature of the source and the sink in the first case are respectively

A cannot engine has efficiency (1)/(6) . If temperature of sink is decreased by 62^(@)C then its efficiency becomes (1)/(3) then the temperature of source and sink:

If the temperature of the sink of a Carnot engine having an efficiency (1)/( 6) is reduced by 62^(@)C , then its efficiency is doubled. Find the temperature of the sink and source respectively.

A carnot engine has efficiency 1//5 . Efficiency becomes 1//3 when temperature of sink is decreased by 50 K What is the temperature of sink ?

An engine takes heat from a reservior and converts its 1//6 part into work. By decreasing temperature of sink by 62^(@)C , its efficiency becomes double. The temperatures of source and sink must be