The fittings mounted on the boiler for its proper and safe functioning is a

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The fittings mounted on the boiler for its proper and safe functioning is a

A. Water level indicator

B. Pressure gauge

C. Safety valve

D. All of these

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Bomb calorimeter is used to determine

A. Higher calorific value at constant volume

B. Lower calorific value at constant volume

C. Higher calorific value at constant pressure

D. Lower calorific value at constant pressure

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An economiser _________ the steam raising capacity of a boiler.

A. Increases

B. Decreases

C. Has no effect on

D. None of these

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A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called

A. Blow off cock

B. Stop valve

C. Superheater

D. None of these

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The artificial draught is produced by

A. Steam jet

B. Centrifugal fan

C. Chimney

D. Both (A) and (B)

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A closed vessel made of steel and used for the generation of steam is called a

A. Steam boiler

B. Steam turbine

C. Steam condenser

D. Steam injector

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The saturation temperature of steam with increase in pressure increases

A. Linearly

B. Rapidly first and then slowly

C. Slowly first and then rapidly

D. Inversely

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Which of the following statement is correct?

A. Lancashire boiler is a fire tube boiler.

B. Fire tube boilers are internally fired.

C. Babcock and Wilcox boiler is a water tube boiler.

D. All of the above

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Superheating of steam is done at

A. Constant volume

B. Constant temperature

C. Constant pressure

D. Constant entropy

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A valve installed between the boiler and the feed pump is

A. Blow off cock

B. Feed check valve

C. Steam stop valve

D. None of these

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If partial pressure of air and steam be p_a and p_s respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

A. p_s - p_a

B. p_a - p_s

C. p_a + p_s

D. None of these

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The maximum steam pressure in a Locomotive boiler is limited to

A. 0.18 MN/m²

B. 1.8 MN/m²

C. 18 MN/m²

D. 180 MN/m²

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Which of the following are boiler accessories?

A. Economiser

B. Superheater

C. Both (A) and (B)

D. None of these

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At critical point, i.e. p = 225.65 kg/cm², the latent enthalpy of vaporisation is

A. Maximum

B. Minimum

C. Zero

D. Depends on temperature also

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The maximum heat loss is a boiler occurs due to

A. Moisture in fuel

B. Dry flue gases

C. Steam formation

D. Unburnt carbon

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Thermal efficiency of well maintained boiler will be of the order

A. 40 %

B. 50 %

C. 75 %

D. 90 %

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Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economiser (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

A. 48 : 20 : 15 : 7 : 10

B. 10 : 7 : 15 : 20 : 48

C. 20 : 48 : 7 : 15 : 10

D. 7 : 15 : 20 : 10 : 48

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Which of the following statement is correct?

A. A horizontal steam engine requires less floor area than a vertical steam engine

B. The steam pressure in the cylinder is not allowed to fall below the atmospheric pressure

C. The compound steam engines are generally non-condensing steam engines

D. All of the above

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The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the corresponding pressure.

A. Same as

B. 2 times

C. 4 times

D. 8 times

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The steam enters the nozzle at a

A. High pressure and a low velocity

B. High pressure and a high velocity

C. Low pressure and a low velocity

D. Low pressure and a high velocity

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By compounding the expansion of steam in two or more cylinders, the ratio of expansion

A. Does not change

B. Increases

C. Decreases

D. None of these

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The latent heat of steam with increase of pressure

A. Remain same

B. Increases

C. Decreases

D. Behaves unpredictably

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Carbonisation of coal is the process of

A. Pulverising coal in inert atmosphere

B. Heating wood in a limited supply of air at temperatures below 300°C

C. Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

D. Binding the pulverised coal into briquettes

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When the total heat of steam is h kJ/kg and the sensible heat of feed water is h_f1 kJ/kg, then the factor of evaporation is given by

A. (h - h_f1)/2257

B. (h + h_f1)/2257

C. (h × h_f1)/2257

D. None of these

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Water tube boilers are

A. Internally fired

B. Externally fired

C. Internally as well as externally fired

D. None of these

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Besides mean effective pressure, the data required to determine the indicated power of an engine include

A. Piston diameter, length of stroke and calorific value of fuel

B. Piston diameter, specific fuel consumption and Calorific value of fuel

C. Piston diameter, length of stroke and speed of rotation

D. Specific fuel consumption, speed of rotation and torque

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Alkaline pyrogallate is used in Orsat's apparatus for absorption of

A. CO₂

B. CO

C. O₂

D. N₂

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The equivalent evaporation is defined as

A. The ratio of heat actually used in producing the steam to the heat liberated in the furnace

B. The amount of water evaporated or steam produced in kg per kg of fuel burnt

C. The amount of water evaporated from and at 100°C into dry and saturated steam

D. The evaporation of 15.653 kg of water per hour from and at 100°C

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The selection of type and size of a steam boiler depends upon

A. The power required and working pressure

B. The geographical position of the power house

C. The fuel and water available

D. All of the above

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The rate of steam produced in Benson boiler is

A. 100 tonnes/h

B. 135 tonnes/h

C. 175 tonnes/h

D. 250 tonnes/h

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The fittings mounted on the boiler for its proper and safe functioning is a

A. Water level indicator

B. Pressure gauge

C. Safety valve

D. All of these

Discuss this answer

Accepted Answer

D. All of these

The fittings mounted on the boiler for its proper and safe functioning is a

Correct Answer :

Show all Steam Boilers, Engines, Nozzles & Turbines MCQ

Related Questions

Bomb calorimeter is used to determine

An economiser _________ the steam raising capacity of a boiler.

A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called

The artificial draught is produced by

A closed vessel made of steel and used for the generation of steam is called a

The saturation temperature of steam with increase in pressure increases

Which of the following statement is correct?

Superheating of steam is done at

A valve installed between the boiler and the feed pump is

If partial pressure of air and steam be p_a and p_s respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

The maximum steam pressure in a Locomotive boiler is limited to

Which of the following are boiler accessories?

At critical point, i.e. p = 225.65 kg/cm², the latent enthalpy of vaporisation is

The maximum heat loss is a boiler occurs due to

Thermal efficiency of well maintained boiler will be of the order

Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economiser (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

Which of the following statement is correct?

The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the corresponding pressure.

The steam enters the nozzle at a

By compounding the expansion of steam in two or more cylinders, the ratio of expansion

The latent heat of steam with increase of pressure

Carbonisation of coal is the process of

When the total heat of steam is h kJ/kg and the sensible heat of feed water is h_f1 kJ/kg, then the factor of evaporation is given by

Water tube boilers are

Besides mean effective pressure, the data required to determine the indicated power of an engine include

Alkaline pyrogallate is used in Orsat's apparatus for absorption of

The equivalent evaporation is defined as

The selection of type and size of a steam boiler depends upon

The rate of steam produced in Benson boiler is

The fittings mounted on the boiler for its proper and safe functioning is a

Also checkout

The fittings mounted on the boiler for its proper and safe functioning is a

Correct Answer :

Show all Steam Boilers, Engines, Nozzles & Turbines MCQ

Related Questions

Bomb calorimeter is used to determine

An economiser _________ the steam raising capacity of a boiler.

A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called

The artificial draught is produced by

A closed vessel made of steel and used for the generation of steam is called a

The saturation temperature of steam with increase in pressure increases

Which of the following statement is correct?

Superheating of steam is done at

A valve installed between the boiler and the feed pump is

If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

The maximum steam pressure in a Locomotive boiler is limited to

Which of the following are boiler accessories?

At critical point, i.e. p = 225.65 kg/cm², the latent enthalpy of vaporisation is

The maximum heat loss is a boiler occurs due to

Thermal efficiency of well maintained boiler will be of the order

Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economiser (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

Which of the following statement is correct?

The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the corresponding pressure.

The steam enters the nozzle at a

By compounding the expansion of steam in two or more cylinders, the ratio of expansion

The latent heat of steam with increase of pressure

Carbonisation of coal is the process of

When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

Water tube boilers are

Besides mean effective pressure, the data required to determine the indicated power of an engine include

Alkaline pyrogallate is used in Orsat's apparatus for absorption of

The equivalent evaporation is defined as

The selection of type and size of a steam boiler depends upon

The rate of steam produced in Benson boiler is

The fittings mounted on the boiler for its proper and safe functioning is a

Also checkout

If partial pressure of air and steam be p_a and p_s respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

When the total heat of steam is h kJ/kg and the sensible heat of feed water is h_f1 kJ/kg, then the factor of evaporation is given by