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A boiler is made of a copper plate 2.4 m...

A boiler is made of a copper plate 2.4 mm thick with an inside coating of a 0.2 mm thick layer of tin. The surface area exposed to gases at 700°C is 400 cm2. The amount of steam that could be generated per hour at atmospheric pressure is (K = 0.9 and Kin = 0.15 cal/cm/s/°C and Lean = 540 cal/g) (A) 5000 kg (B) 1000 kg (C) 4000 kg (D) 200 kg GU tin

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A boiler is made of a copper plate 2.4mm thick with an inside coating of a 0.2mm thick layer of tin The surface area exposed to gases at 700^(@)C is 400cm^(2) The maximum amount of steam that could be generated per hour at atmospheric pressure is ({:(K_(cu)=0.9cal//cm-s-^(0)& k_("tin")=0.15cal//cm-s-^(0)C andL_(steam)=540cal//g:}) .

A boiler is made of a copper plate 2.4mm thick with an inside coating of a 0.2mm thick layer of tin The surface area exposed to gases at 700^(@)C is 400cm^(2) The maximum amount of steam that could be generated per hour at atmospheric pressure is ({:(K_(cu)=0.9cal//cm-s-^(0)&k_("tin"=0.15cal//cm/s/^(0)C),,,,),(andL_(steam)=540cal//g,,,,):}) .

There is an air bubble of radius 1.0 mm in a liquid of surface tension 0.075Nm^-1 and density 1000 kg m^-3 . The bubble is at a depth of 10 cm below the free surface. By what amount is the pressure inside the bubble greater than the atmospheric pressure? Take g=9.8ms^-2 .

There is an air bubble of radius 1.0 mm in a liquid of surface tension 0.075Nm^-1 and density 1000 kg m^-3 . The bubble is at a depth of 10 cm below the free surface. By what amount is the pressure inside the bubble greater than the atmospheric pressure? Take g=9.8ms^-2 .

A steam at 100^@C is passed into 1 kg of water contained in a calorimeter of water equivalent 0.2 kg at 9^@C till the temperature of the calorimeter and water in it is increased to 90^@C . Find the mass of steam condensed in kg(S_(w) = 1 cal//g^@C, & L_("steam") = 540 cal//g) .

Steam at 100^(@)C is passed into a copper cylinder 10 mm thick and of 200 cm^(2) area. Water at 100^(@)C collects at the rate of 150 g min^(-1) . Find the temperature of the outer surface, if the conductivity of copper is 0.8 cal s^(-1) cm^(-1) .^(@)C^(-1) and the latent heat of steam is 540 cal g^(-1) .

A steam at 100^@C is passed into 1 kg of water contained in a calorimeter of water equivalent 0.2 kg at 9^@C till the temperature of the calorimeter and water in it is increased to 90^@C . Find the mass of steam condensed in kg(S_(w) = 1 cal//g^@C, & L_("steam") = 540 cal//g) (EAM = 14 E) .

A steam at 100^@C is passed into 1 kg of water contained in a calorimeter of water equivalent 0.2 kg at 9^@C till the temperature of the calorimeter and water in it is increased to 90^@C . The mass of steam condensed in kg is nearly (specific heat of water = 1 cal//g^@C ,latent heat of vaporisation= 540 cal // g)