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An engine has an efficiency of 1/6. When...

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

A

`99^(@) C `

B

`124^(@) C`

C

`37^(@) C`

D

`62^(@) C`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • 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 temperatures of the source and the sink are respectively,

    A
    `62^@C , 124 ^@C `
    B
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    C
    `124^@ C,62^@ C`
    D
    `37^@ C , 99^@ C `

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    B
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    C
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    D
    `232^(@)C`

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

    A
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    B
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