Which of the following will produce more heat- 1- nbsp- 3 -kg of fuel X -Calorific value - 12000-J-kg- 2- nbsp- 4 -kg of fuel Y -Calorific value - 10000-J-kg-Fuel XFuel YBoth will be equalInsufficient information

The correct option is B Fuel YFor X, Total heat produced will be: E_X = 3 × 12000 = 36000 J For Y, Total heat produced will be: E_Y = 4 × 10000 = 40000 J H ...

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Standard VIII

Chemistry

Calorific Value and Efficiency of a Fuel

Which of the ...

Question

Which of the following will produce more heat?
1. $3 k g$ of fuel X (Calorific value $= 12000 J / k g$ )
2. $4 k g$ of fuel Y (Calorific value $= 10000 J / k g$ )

Fuel X

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Fuel Y

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Both will be equal

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Insufficient information

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Solution

The correct option is B Fuel Y
For X,
Total heat produced will be:
$E_{X} = 3 \times 12000 = 36000 J$

For Y,
Total heat produced will be:
$E_{Y} = 4 \times 10000 = 40000 J$

Hence, total heat produced by 4 kg of fuel Y will be more.

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Which of the following will produce more heat? 1. 3 kg of fuel X (Calorific value =12000 J/kg) 2. 4 kg of fuel Y (Calorific value =10000 J/kg)

The correct option is B Fuel YFor X, Total heat produced will be: EX=3×12000=36000 J For Y, Total heat produced will be: EY=4×10000=40000 J Hence, total heat produced by 4 kg of fuel Y will be more.

Which of the following will produce more heat?
1. $3 k g$ of fuel X (Calorific value $= 12000 J / k g$ )
2. $4 k g$ of fuel Y (Calorific value $= 10000 J / k g$ )

The correct option is B Fuel Y
For X,
Total heat produced will be:
$E_{X} = 3 \times 12000 = 36000 J$

For Y,
Total heat produced will be:
$E_{Y} = 4 \times 10000 = 40000 J$

Hence, total heat produced by 4 kg of fuel Y will be more.