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Applications Questions Set 18:

Quiz Mode

When does understeer take place?

Slip angle greater in the rear

Slip angle greater in the front

Slip angle neutralized

None of the above

Solution:

Which of the following tests is used to determine the brake power of an individual cylinder in an engine?

Morse test

Standard test run

Battery test

Eddy testing

Solution:

A turbine in which water enters in the radial direction and leaves in the axial direction is known as a:

Mixed flow turbine

Tangential flow turbine

Axial flow turbine

Outward flow turbine

Solution:

A 2-stroke engine has the following specifications:

Bore = 10 cm

Stroke = 20 cm

Brake power = 35 kW

Engine speed = 2000 rpm

Find the brake mean effective pressure (in bar).

6.68

7.43

5.10

8.50

Solution:

The relative Coefficient of Performance (COP) referred to in terms of refrigeration is:

Average COP / Theoretical COP

Actual COP / Average COP

Actual COP / Theoretical COP

Theoretical COP / Actual COP

Solution:

What is an engine indicator instrument used to determine?

to determine M.E.P. and I.H.P. (mean effective pressure and Indicated horse power)

to determine speed

to determine temperature

to determine volume of cylinder

Solution:

In an impulse turbine, the blade speed ratio is given by

(Steam velocity at exit) / (Blade velocity)

(Blade velocity) / (Steam velocity at exit)

(Blade velocity) / (Steam velocity at inlet)

(Steam velocity at inlet) / (Blade velocity)

Solution:

The ratio of the actual enthalpy drop to the isentropic enthalpy drop gives the nozzle efficiency.

actual enthalpy drop to isentropic enthalpy drop

isothermal enthalpy drop to isentropic enthalpy drop

isentropic enthalpy drop to isothermal enthalpy drop

isentropic enthalpy drop to actual enthalpy drop

Solution:

Calculate the power required to run the heat pump, if it is used to maintain a hall at 32°C when the atmospheric temperature is 17°C. The heat loss from the hall is 130 kJ/min and its Coefficient of Performance (COP) is 41% of the Carnot machine working between the same temperature limits.

0.309 kW

0.296 kW

0.199 kW

0.259 kW

Solution:

Which factor of the following should we consider for higher efficiency during the regeneration process in the Rankine cycle?

The average temperature of heat addition in the boiler increases

Heat is added before steam enters the low-pressure turbine

The pressure inside the boiler increases

The total work delivered by the turbine increases

Applications Questions Set 18:

When does understeer take place?

Solution:

Which of the following tests is used to determine the brake power of an individual cylinder in an engine?

Solution:

A turbine in which water enters in the radial direction and leaves in the axial direction is known as a:

Solution:

A 2-stroke engine has the following specifications:

Bore = 10 cm

Stroke = 20 cm

Brake power = 35 kW

Engine speed = 2000 rpm

Find the brake mean effective pressure (in bar).

Solution:

The relative Coefficient of Performance (COP) referred to in terms of refrigeration is:

Solution:

What is an engine indicator instrument used to determine?

Solution:

In an impulse turbine, the blade speed ratio is given by

Solution:

The ratio of the actual enthalpy drop to the isentropic enthalpy drop gives the nozzle efficiency.

Solution:

Calculate the power required to run the heat pump, if it is used to maintain a hall at 32°C when the atmospheric temperature is 17°C. The heat loss from the hall is 130 kJ/min and its Coefficient of Performance (COP) is 41% of the Carnot machine working between the same temperature limits.

Solution:

Which factor of the following should we consider for higher efficiency during the regeneration process in the Rankine cycle?

Solution:

Related Question Sets:

Related Topics:

Applications Questions Set 18:

When does understeer take place?

Solution:

Which of the following tests is used to determine the brake power of an individual cylinder in an engine?

Solution:

A turbine in which water enters in the radial direction and leaves in the axial direction is known as a:

Solution:

A 2-stroke engine has the following specifications: Bore = 10 cm Stroke = 20 cm Brake power = 35 kW Engine speed = 2000 rpm Find the brake mean effective pressure (in bar).

Solution:

The relative Coefficient of Performance (COP) referred to in terms of refrigeration is:

Solution:

What is an engine indicator instrument used to determine?

Solution:

In an impulse turbine, the blade speed ratio is given by

Solution:

The ratio of the actual enthalpy drop to the isentropic enthalpy drop gives the nozzle efficiency.

Solution:

Calculate the power required to run the heat pump, if it is used to maintain a hall at 32°C when the atmospheric temperature is 17°C. The heat loss from the hall is 130 kJ/min and its Coefficient of Performance (COP) is 41% of the Carnot machine working between the same temperature limits.

Solution:

Which factor of the following should we consider for higher efficiency during the regeneration process in the Rankine cycle?

Solution:

Related Question Sets:

Related Topics:

A 2-stroke engine has the following specifications:

Bore = 10 cm

Stroke = 20 cm

Brake power = 35 kW

Engine speed = 2000 rpm

Find the brake mean effective pressure (in bar).