Time in which a layer of ice of thickness 10 cm will increase by 5 cm on te surface of a pond when temperature of the surrounding is `-10^(@)C` coefficient of thermal conductivity of ice `K=0.005((Cal)/(cm-sec-.^(@)C))` and density `rho=0.9gram//cm^(3)` (L=80cal/g)

Find the time during which a layer of ice of thickness 2.0 cm on the surfaceof a poind will have itsthickness increasedby 2 mm when temperature of the surrounding air is -20^(@) and latent heat of fusion =80"cal"g^(-1) , density of ice 0.91g//cm^(3) , coefficient of thermal conductivity of ice =5xx10^(-3)"cal"//cm//s-^(@)C

Find the time in which a layer of ice thickness h will grow on the surface of the pond of surface area A , when the surrounding temperature falls to -T^(@)C . (Assume K= thermal conductivity of ice, rho- densityy of water L= latent heat of fusion)

There is ice formation on a tank of water of thickness 10 cm.How much time it will take to have a layer of 0.1 cm below it ?The outer temperature is -5^(@)C , the thermal conductivity of ice is 0.005 calcm^(-1) ""^(@)C^(-1) and latent heat of ice is 80cal//g and the density of ice is 0.91 gcm^(-3) :

A cylindrical rod of aluminium is of length 20 cm and radius 2 cm. The two ends are maintained at temperatures of 0^(@)C and 50^(@)C the coefficient of thermal conductivity is (0.5" cal")/(cm xx sec xx ""^(@)C) . Then the thermal resistance of the rod in ("cal")/(sec xx ""^(@)C) is

For a glass window of area 1500 cm^2 and thickness 0.5 cm, determine the rate of loss of heat if the temperature inside the window is 35^@C and outside is -2^@C . Take, coefficient of thermal conductivity of glass = 2.2 xx 10^(-3) cal s^(-1) cm^(-1) K^(-1)

A lake surface is exposed to an atmosphere where the temperature is lt 0^(@)C . If the thickness of the ice layer formed on the surface grows form 2cm to 4cm in 1 hour. The atmospheric temperature, T_(a) will be- (Thermal conductivity of ice K = 4 xx 10^(-3) cal//cm//s//.^(@)C , density of ice = 0.9 gm//ice. Latent heat of fustion of ice = 80 cal//m . Neglect the change of density during the state change. Assume that the water below the ice has 0^(@) temperature every where)

A lake is covered with ince 2 cm thick.t he temperature of ambient air is -15^(@)C find the rate of thickening of ice. For ice k=4xx10^(-4)k-cal-m^(-1)s^(_1)(.^(@)C)^(-1) . Density =0.9xx10^(3)kg//m^(3) and latent heat L=80 kilo cal/kg

A lake is covered with ice 5 cm thick and the atmospheric temperature above the ice is – 10^(@)C . At what rate (in cm/hour) will the ice layer thicken? Thermal conductivity of ice = 0.005 cgs unit, density of ice = 0.9 g//cc and latent heat of fusion of ice = 80 cal/g.

The thickness of ice in a lake is 5cm and the atmospheric temperature is 10^(@)C Calculate the time rquired for the thickness of ice to grow to 7cm Therml conductivity for ice =4 xx 10^(-3) cal cm^(-1) s^(-1) c^(-10 density of ice =0.92 g //cm^(3) and latent heat of fusion of ice =80 cal//g .