Recent questions in TD

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The power output of the turbine in MW is

asked Aug 28, 2017 in TD by chandu (215k points)

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The characteristic gas constant and the ratio of specific heats of air are 0.287 kJ/kgK and 1.4 respectively.

asked Aug 28, 2017 in TD by chandu (215k points)

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The tank is connected with a supply line through which air passes at 1 Mpa, 3500C.

asked Aug 28, 2017 in TD by chandu (215k points)

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The tank is connected with a supply line through which air passes at 1 Mpa, 3500C.

asked Aug 28, 2017 in TD by chandu (215k points)

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A balloon containing an ideal gas is initially kept in an evacuated and insulated room.

asked Aug 28, 2017 in TD by chandu (215k points)

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What is the speed of sound in Neon gas at a temperature of 500 K (Gas constant of Neon is 0.4210 kJ/kg.K) ?

asked Aug 28, 2017 in TD by chandu (215k points)

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A small steam whistle (perfectly insulated and doing no shaft work) causes a drop of 0.8 kJ/kg

asked Aug 28, 2017 in TD by chandu (215k points)

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When an ideal gas with constant specific heats is throttled adiabatically

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Assume that the gases behave a ideal gases. Calculate the increase in entropy of the contents of the cylinder

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The change is internal energy of the gas during the process is

asked Aug 28, 2017 in TD by chandu (215k points)

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A 2 kW, 40 litre water heater is switched on for 20 minutes. The heat capacity Cp for water is 4.2 kJ/kg K.

asked Aug 28, 2017 in TD by chandu (215k points)

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The heat transfer from the turbine casing to the surroundings is equal to

asked Aug 28, 2017 in TD by chandu (215k points)

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A steel ball of mass 1 kg and specific heat 0.4 kJ/ kg is at a temperature of 60 0C.

asked Aug 28, 2017 in TD by chandu (215k points)

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The first law of thermodynamics takes the form W = –$\Delta$H when applied to:

asked Aug 28, 2017 in TD by chandu (215k points)

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An ideal gas undergoes a reversible process in which the pressure varies linearly with volume.

asked Aug 28, 2017 in TD by chandu (215k points)

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In the universal gas constant is 8314 J/kmol-K, the characteristic gas constant of the mixture (in J/kg-K) is _

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The heat added (in kJ) in the process is _________

asked Aug 28, 2017 in TD by chandu (215k points)

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A mono-atomic ideal gas (g = 1.67, molecular weight=40) is compressed adiabatically from 0.1 MPa, 300K to 0.2 MPa.

asked Aug 28, 2017 in TD by chandu (215k points)

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A frictionless piston-cylinder device contains a gas initially at 0.8 MPa and 0.015m3.

asked Aug 28, 2017 in TD by chandu (215k points)

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In a steady state steady flow process taking place in a device with a single inlet and a single outlet,

asked Aug 28, 2017 in TD by chandu (215k points)

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