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Applications Questions Set 7:

Quiz Mode

In which of the following cases will there be leakage in a pump?

High Temperature

Casing Breakage

High Pressure

Froths generation

Solution:

Which conservation law is followed by an ignition process?

conservation of energy

conservation of mass

conservation of momentum

none of these

Solution:

Which of the following processes is used to obtain the saturation state at the thermodynamic wet-bulb temperature (WBT)?

Expansion

Condensation

Compression

Evaporation

Solution:

A refrigerator has the following data:

Heat removal rate from the refrigerated space = 9.0 kW

Power input to the compressor = 1.8 kW

What is the coefficient of performance (COP) of this refrigerator?

Solution:

Calculate the volume of the mixture taken in per stroke, if a gas engine has a swept volume of 200 cm³ and a clearance volume of 20 cm³. The volumetric efficiency of the engine is 0.9.

190 cm³

180 cm³

220 cm³

150 cm³

Solution:

Calculate the optimum velocity of steam for a single-stage impulse turbine with a rotor diameter of 4 m and a speed of 3600 rpm. The nozzle angle is given as 20 degrees.

1603.93 m/s

1448.52 m/s

1872.64 m/s

1249.37 m/s

Solution:

Calculate the value of enthalpy after evaporation in a vapor compression refrigeration system, if the enthalpy after compression is 1400 kJ/kg and after condensation is 600 kJ/kg. The coefficient of performance is 10 and the system works on 50% of the theoretical C.O.P.

1973.1 kJ/kg

1818.1 kJ/kg

1234.5 kJ/kg

1266.6 kJ/kg

Solution:

What is Dew Point Temperature?

Temperature up to which air must be cooled at constant pressure and constant vapor content to reach saturation

Temperature measured by a thermometer when it is freely exposed to the air

None of the above

Temperature measured by the thermometer when the bulb of the thermometer is wrapped in a wet cloth

Solution:

We have been given a boiler producing 1500 kg/hr of steam with an enthalpy content of 2016 kJ/kg from feed water at a temperature of 40°C. Calculate the equivalent evaporation of the boiler. (The liquid enthalpy is given as 168 kJ/kg and enthalpy of vaporization of water at 100°C is given as 2258 kJ/kg)

1087.48 kg/hr

1227.64 kg/hr

1474.56 kg/hr

1672.84 kg/hr

Solution:

What is the pour point of fuel oil?

Minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

It catches fire without external aid.

Temperature at which it solidifies or congeals

Indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled of

Solution:

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Applications Questions Set 7:

In which of the following cases will there be leakage in a pump?

Solution:

Which conservation law is followed by an ignition process?

Solution:

Which of the following processes is used to obtain the saturation state at the thermodynamic wet-bulb temperature (WBT)?

Solution:

A refrigerator has the following data:

Heat removal rate from the refrigerated space = 9.0 kW

Power input to the compressor = 1.8 kW

What is the coefficient of performance (COP) of this refrigerator?

Solution:

Calculate the volume of the mixture taken in per stroke, if a gas engine has a swept volume of 200 cm³ and a clearance volume of 20 cm³. The volumetric efficiency of the engine is 0.9.

Solution:

Calculate the optimum velocity of steam for a single-stage impulse turbine with a rotor diameter of 4 m and a speed of 3600 rpm. The nozzle angle is given as 20 degrees.

Solution:

Calculate the value of enthalpy after evaporation in a vapor compression refrigeration system, if the enthalpy after compression is 1400 kJ/kg and after condensation is 600 kJ/kg. The coefficient of performance is 10 and the system works on 50% of the theoretical C.O.P.

Solution:

What is Dew Point Temperature?

Solution:

Solution:

What is the pour point of fuel oil?

Solution:

Related Question Sets:

Related Topics:

Applications Questions Set 7:

In which of the following cases will there be leakage in a pump?

Solution:

Which conservation law is followed by an ignition process?

Solution:

Which of the following processes is used to obtain the saturation state at the thermodynamic wet-bulb temperature (WBT)?

Solution:

A refrigerator has the following data: Heat removal rate from the refrigerated space = 9.0 kW Power input to the compressor = 1.8 kW What is the coefficient of performance (COP) of this refrigerator?

Solution:

Calculate the volume of the mixture taken in per stroke, if a gas engine has a swept volume of 200 cm3 and a clearance volume of 20 cm3. The volumetric efficiency of the engine is 0.9.

Solution:

Calculate the optimum velocity of steam for a single-stage impulse turbine with a rotor diameter of 4 m and a speed of 3600 rpm. The nozzle angle is given as 20 degrees.

Solution:

Calculate the value of enthalpy after evaporation in a vapor compression refrigeration system, if the enthalpy after compression is 1400 kJ/kg and after condensation is 600 kJ/kg. The coefficient of performance is 10 and the system works on 50% of the theoretical C.O.P.

Solution:

What is Dew Point Temperature?

Solution:

Solution:

What is the pour point of fuel oil?

Solution:

Related Question Sets:

Related Topics:

A refrigerator has the following data:

Heat removal rate from the refrigerated space = 9.0 kW

Power input to the compressor = 1.8 kW

What is the coefficient of performance (COP) of this refrigerator?

Calculate the volume of the mixture taken in per stroke, if a gas engine has a swept volume of 200 cm³ and a clearance volume of 20 cm³. The volumetric efficiency of the engine is 0.9.