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Applications Questions Set 6:

Quiz Mode

The refrigerant used in the Bell-Coleman refrigeration cycle is

Carbon Dioxide

Water

Air

Coolant

Solution:

What is a desirable physical property of a refrigerant?

Toxic

Explosive

Low boiling point

High freezing point

Solution:

If the refrigerating effect of a refrigerator is 5.276 kW and the work consumed is 0.86 kW, then the coefficient of performance (COP) is

6.234

6.912

5.995

6.134

Solution:

A mixture containing 65% of iso-octane and 35% of normal heptane will have an octane number of:

Cetane number 65

Cetane number 35

Octane number 65

Octane number 35

Solution:

What is the ratio of actual mass flow rate (ṁ_a) to ideal mass flow rate (ṁ_i) called?

coefficient of discharge

coefficient of nozzle friction

coefficient of mass

nozzle coefficient

Solution:

Where can both Refrigeration and Air-Conditioning be utilized?

Food preservation and Industrial Refrigeration

Heating and humidification

Cooling and dehumidification

None of the above

Solution:

What is Vapor Lock?

Supply of air-fuel mixture containing liquid particles

Stoppage of fuel supply due to vaporization of fuel in the supply line

Blocking of carburetor jets

None of the above

Solution:

What are the most important requirements of an automobile carburetor?

Ensuring full torque at low speeds

Good fuel economy

Absence of racing of the engine under idling conditions

All of the mentioned

Solution:

When a mixture of air and water vapour is cooled at constant pressure up to the saturation temperature of water vapour, what is the attained temperature called?

Dry bulb temperature

Wet bulb temperature

Dew point temperature

Critical temperature

Solution:

What is the meaning of volatility of diesel fuel oil?

Temperature at which it solidifies or congeals

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

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

Applications Questions Set 6:

The refrigerant used in the Bell-Coleman refrigeration cycle is

Solution:

What is a desirable physical property of a refrigerant?

Solution:

If the refrigerating effect of a refrigerator is 5.276 kW and the work consumed is 0.86 kW, then the coefficient of performance (COP) is

Solution:

A mixture containing 65% of iso-octane and 35% of normal heptane will have an octane number of:

Solution:

What is the ratio of actual mass flow rate (ṁ_a) to ideal mass flow rate (ṁ_i) called?

Solution:

Where can both Refrigeration and Air-Conditioning be utilized?

Solution:

What is Vapor Lock?

Solution:

What are the most important requirements of an automobile carburetor?

Solution:

When a mixture of air and water vapour is cooled at constant pressure up to the saturation temperature of water vapour, what is the attained temperature called?

Solution:

What is the meaning of volatility of diesel fuel oil?

Solution:

Related Question Sets:

Related Topics:

Applications Questions Set 6:

The refrigerant used in the Bell-Coleman refrigeration cycle is

Solution:

What is a desirable physical property of a refrigerant?

Solution:

If the refrigerating effect of a refrigerator is 5.276 kW and the work consumed is 0.86 kW, then the coefficient of performance (COP) is

Solution:

A mixture containing 65% of iso-octane and 35% of normal heptane will have an octane number of:

Solution:

What is the ratio of actual mass flow rate (ṁa) to ideal mass flow rate (ṁi) called?

Solution:

Where can both Refrigeration and Air-Conditioning be utilized?

Solution:

What is Vapor Lock?

Solution:

What are the most important requirements of an automobile carburetor?

Solution:

When a mixture of air and water vapour is cooled at constant pressure up to the saturation temperature of water vapour, what is the attained temperature called?

Solution:

What is the meaning of volatility of diesel fuel oil?

Solution:

Related Question Sets:

Related Topics:

What is the ratio of actual mass flow rate (ṁ_a) to ideal mass flow rate (ṁ_i) called?