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Molecular Physics | Thermodynamics
A fluid undergoes the following processes :
(i) Heated reversibly at a constant pressure of 1.05 bar until it has a specific volume of 0.1 m3/kg.
(ii) It is then compressed reversibly according to a law pv = constant to a pressure of 4.2 bar.
(iii) It is then allowed to expand reversibly according to a law pv1.3 = constant.
(iv) Finally it is heated at constant volume back to initial conditions.
The work done in the constant pressure process is 515 Nm and the mass of fluid present is 0.2 kg. Calculate
the net work done on or by the fluid in the cycle and sketch the cycle on a p-v diagram.
(i) Heated reversibly at a constant pressure of 1.05 bar until it has a specific volume of 0.1 m3/kg.
(ii) It is then compressed reversibly according to a law pv = constant to a pressure of 4.2 bar.
(iii) It is then allowed to expand reversibly according to a law pv1.3 = constant.
(iv) Finally it is heated at constant volume back to initial conditions.
The work done in the constant pressure process is 515 Nm and the mass of fluid present is 0.2 kg. Calculate
the net work done on or by the fluid in the cycle and sketch the cycle on a p-v diagram.
Molecular Physics | Thermodynamics
if two bulb one is black painted and one is white then which bulb high heat produced
Molecular Physics | Thermodynamics
For Water its temperature is 50°C and room temperature is 30°C just after 5 minutes excess temperature reduce to half its value,calculate temperature of water next 2.5 minutes
Molecular Physics | Thermodynamics
When temperature of gas become twice by heating then the gas dissociated from molecular form to atomic form .What will be effect on root mean square velocity
Molecular Physics | Thermodynamics
The pressure exerted by gas is P.If the mass of molecule becomes half and velocity becomes double then pressure will become
Molecular Physics | Thermodynamics
can the specific heat at constant volume be greater than the specific heat at constant pressure. Justify by applying the first law of thermodynamics.
Molecular Physics | Thermodynamics
Can the same Vander Waals' Gas
i) have more than one inversion tempeature?
ii) show both heating and cooling effect?
i) have more than one inversion tempeature?
ii) show both heating and cooling effect?
Molecular Physics | Thermodynamics
cyclic heat engine draws 350 KJ heat from ?
a source at 1000 K. It supplies 125 KJ of
heat to the low temperature reservoir at
400 K and performs 225 KJ of work. Is this
machine reversible, irreversible, or
impossible ? Why ?
a source at 1000 K. It supplies 125 KJ of
heat to the low temperature reservoir at
400 K and performs 225 KJ of work. Is this
machine reversible, irreversible, or
impossible ? Why ?
Molecular Physics | Thermodynamics
calculate the required electric energy in k joules for an electric refrigator with motor working between 30c and 5c to freez 3kg of water at 0c the latent heat of water-ice is 80 cal/gm
Molecular Physics | Thermodynamics
two different plates A and B are in composit wall each of dimension 20cm*30cm and their thickness are 3cm and 8cm respectively.thermal conductivity are 0.25 and 0.85 in C.G.S system calculate
1-the thermal resistance of each plate
2-if the free end of plate A at temperature 150c and plate B at temperature 20c calculate the heat current through the combination
3-the temperature of the point of junction
4-the temperature gradient of each plate
1-the thermal resistance of each plate
2-if the free end of plate A at temperature 150c and plate B at temperature 20c calculate the heat current through the combination
3-the temperature of the point of junction
4-the temperature gradient of each plate
