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Applications Questions Set 12:

Quiz Mode

In the free vortex of a vaneless diffuser, the angular momentum of the gas:

remains constant

decreases

increases

becomes unpredictable

Solution:

An apartment with a load of 520 MJ/day requires an air-conditioning plant of capacity about (rounded to two decimal places):

1.52 tons

6.02 tons

21.06 tons

1.72 tons

Solution:

What is the meaning of the term L/G in the context of a cooling tower?

Length / Gradient

Water flow rate / Air mass flow rate

Length / Girth

Air mass flow rate / Water flow rate

Solution:

What is the value of the final enthalpy if the enthalpies before mixing were 50 and 28 kJ/kg of dry air, respectively, and the ratio m2/m1 = 2?

52 kJ/kg

48.67 kJ/kg

40.05 kJ/kg

38.67 kJ/kg

Solution:

Consider the following data:

a = temperature of condenser saturation = 100°C

b = temperature of boiler saturation = 76°C

What is the value of the temperature rise in the feedwater heater (in °Celsius)?

12°C

18°C

24°C

30°C

Solution:

In a refrigeration system, what should be the state of the refrigerant as it enters the compressor?

Dry saturated liquid refrigerant

Vapour and liquid mixture

Dry saturated vapour refrigerant

Superheated vapour refrigerant

Solution:

Why are control rods used in the control system of nuclear reactors?

To absorb excess neutrons and control the rate of the nuclear fission reaction

To control the temperature of the reactor

To control fuel consumption

All of the above

Solution:

If the compression ratio is the same, then which cycle is more efficient?

Efficiency is independent of compression ratio.

The Diesel cycle is more efficient than the Otto cycle

Both the Otto and Diesel cycles are equally efficient

The Otto cycle is more efficient than the Diesel cycle

Solution:

We generally use three piston rings in a Cylinder of an Internal Combustion Engine. We have noticed that they are 120 degrees offset to each other during installation. What will the Probable offset if we use 4 Piston Rings? (Think of the Reason for Providing the Offset)

113 degrees

90 degrees

75 degrees

60 degrees

Applications Questions Set 12:

In the free vortex of a vaneless diffuser, the angular momentum of the gas:

Solution:

An apartment with a load of 520 MJ/day requires an air-conditioning plant of capacity about (rounded to two decimal places):

Solution:

What is the meaning of the term L/G in the context of a cooling tower?

Solution:

What is the value of the final enthalpy if the enthalpies before mixing were 50 and 28 kJ/kg of dry air, respectively, and the ratio m2/m1 = 2?

Solution:

Consider the following data:

a = temperature of condenser saturation = 100°C

b = temperature of boiler saturation = 76°C

What is the value of the temperature rise in the feedwater heater (in °Celsius)?

Solution:

In a refrigeration system, what should be the state of the refrigerant as it enters the compressor?

Solution:

Why are control rods used in the control system of nuclear reactors?

Solution:

If the compression ratio is the same, then which cycle is more efficient?

Solution:

We generally use three piston rings in a Cylinder of an Internal Combustion Engine. We have noticed that they are 120 degrees offset to each other during installation. What will the Probable offset if we use 4 Piston Rings? (Think of the Reason for Providing the Offset)

Solution:

Related Question Sets:

Related Topics:

Applications Questions Set 12:

In the free vortex of a vaneless diffuser, the angular momentum of the gas:

Solution:

An apartment with a load of 520 MJ/day requires an air-conditioning plant of capacity about (rounded to two decimal places):

Solution:

What is the meaning of the term L/G in the context of a cooling tower?

Solution:

What is the value of the final enthalpy if the enthalpies before mixing were 50 and 28 kJ/kg of dry air, respectively, and the ratio m2/m1 = 2?

Solution:

Consider the following data: a = temperature of condenser saturation = 100°C b = temperature of boiler saturation = 76°C What is the value of the temperature rise in the feedwater heater (in °Celsius)?

Solution:

In a refrigeration system, what should be the state of the refrigerant as it enters the compressor?

Solution:

Why are control rods used in the control system of nuclear reactors?

Solution:

If the compression ratio is the same, then which cycle is more efficient?

Solution:

We generally use three piston rings in a Cylinder of an Internal Combustion Engine. We have noticed that they are 120 degrees offset to each other during installation. What will the Probable offset if we use 4 Piston Rings? (Think of the Reason for Providing the Offset)

Solution:

Related Question Sets:

Related Topics:

Consider the following data:

a = temperature of condenser saturation = 100°C

b = temperature of boiler saturation = 76°C

What is the value of the temperature rise in the feedwater heater (in °Celsius)?