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A geyser heats water flowing at the rate...

A geyser heats water flowing at the rate of 3.0 litres per minute from `27^@` C to `77^@`C. If the geyser operates on a gas burner, what is the rate of consumption of the fuel if its heat of combustion is `4.0xx10^4` J/g ?

Answer

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Knowledge Check

  • A stone of 0.36 m^(2) cross -sectional area and 0.1 m thickness has its lower surface in contact with water at 100^(@)C and upper surface in contact with ice at 0^(@)C . If 4.8 kg ice melting in 1 hour, then what is the thermal conductivity of stone ? Latent heat of fusion of ice is 3.36xx10^(5)" J/kg" .

    A
    `1.24" J/ms "^(@)C`
    B
    `1.29" J/ms "^(@)C`
    C
    `2.05" J/ms "^(@)C`
    D
    `1.02" J/ms "^(@)C`

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