Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

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Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

A. Bomb

B. Throttling

C. Junker's

D. Boy's

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Upto the critical radius of insulation, added insulation, will

A. Increase the heat loss

B. Decrease heat loss and will have no effect beyond that

C. Decrease heat flux

D. Reduce convection heat loss compared to conduction heat less

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Property responsible for the talcum powder to cling to the skin is the

A. Capillary action

B. Adhesion

C. Cohesion

D. Surface tension

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Constituents of stellite are

A. Zinc, copper & nickel

B. Cobalt, chromium & tungsten

C. Zinc, aluminium & nickel

D. Nickel, cobalt & vanadium

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Eutectoid composition of carbon steel at room temperature is

A. Cementite

B. Pearlite

C. Martensite

D. Ferrite

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In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C.

A. 20

B. 60

C. 120

D. ∞

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Biological shield in a nuclear reactor is generally provided to protect against the

A. α-rays

B. β-rays

C. Gamma rays & neutrons

D. Electrons

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Which of the following pairs is not correctly matched?

A. Uranium - 233 : Fertile material

B. Binding energy : Mass defect

C. Scattering: Absorption cross-section

D. Number of nucleons : Mass number

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Material of construction of the electrode used in the electric resistance welding is

A. Stainless steel

B. Graphite

C. Copper

D. Steel

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Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its

A. Lower cost

B. Abundant availability

C. Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry

D. None of these

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Satellites burn off during re-entry to earth's atmosphere, because of the

A. Combustion with air

B. Gravitational pull by earth

C. Friction with earth's atmosphere

D. Loss in weight of the satellite

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In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

A. Stainless steel

B. Mild steel

C. High speed steel

D. High carbon steel

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Which of the following materials has the maximum shrinkage allowance?

A. Brass

B. Cast iron

C. Lead

D. Aluminium alloy

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Heat release during phase change is observed in case of a/an

A. Boiler

B. Condenser

C. Evaporator

D. All (A), (B) & (C)

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Unbreakable crockeries are made from __________ polymers.

A. Polystyrene

B. Melamine

C. Polystyrene

D. Polyurethane

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Which of the following is the most wear resistant grade of carbide used for the cutting tools?

A. Aluminium carbide

B. Tungsten carbide

C. Nickel carbide

D. Iron carbide

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A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

A. Lead

B. Glass

C. Mica

D. Silver

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__________ joint is mostly used for joining pipes carrying water at low pressure.

A. Nipple

B. Socket

C. Union

D. Bell and spigot

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The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A. Cyaniding

B. Sherardizing

C. Spheroidising

D. None of these

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In the diving apparatus, helium is used along with oxygen, because it is

A. Easily available

B. Not soluble in blood at high pressure

C. Lighter than nitrogen

D. Completely miscible with oxygen

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Most important property of steels for use in automobile bodies is the

A. Formability

B. Yield strength

C. Toughness

D. Resilience

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Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

A. Black

B. Silver grey

C. Green

D. Yellow

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__________ rubber is generally used for making 'O' rings used for vacuum sealings.

A. Natural

B. Neoprene

C. Butadiene

D. Nitrile

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Use of water as a manometric liquid suffers from the disadvantage of its

A. Low vapour pressure

B. Corrosive nature

C. High vapour pressure

D. High boiling point

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Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

A. Working

B. Bearing

C. Yield

D. None of these

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Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?

A. Small punches, broaches reamers and springs

B. Cutlery, screws, rivets and files

C. Mandrels, twist drills, small lathe tools and razors

D. Forgings like can shaft, structural steel plate, threading dies and drawing dies

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A high pressure boiler generates steam at a pressure greater than __________ kg/cm².

A. 10

B. 30

C. 50

D. 80

Discuss this answer

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

A. Grey

B. Black

C. Opaque

D. White

Discuss this answer

Alloy powder manufactured by the following process have spherical shapes.

A. Electrochemical deposition

B. Gaseous reduction

C. Atomisation

D. Mechanical attrition

Discuss this answer

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

A. 3171P_a

B. 3567P_a

C. 1.01 × 10⁵P_a

D. 5000P_a

Discuss this answer

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

A. A

B. D

C. 1/A

D. 1/A²

Discuss this answer

Accepted Answer

B. Throttling

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Upto the critical radius of insulation, added insulation, will

Property responsible for the talcum powder to cling to the skin is the

Constituents of stellite are

Eutectoid composition of carbon steel at room temperature is

In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C.

Biological shield in a nuclear reactor is generally provided to protect against the

Which of the following pairs is not correctly matched?

Material of construction of the electrode used in the electric resistance welding is

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its

Satellites burn off during re-entry to earth's atmosphere, because of the

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

Which of the following materials has the maximum shrinkage allowance?

Heat release during phase change is observed in case of a/an

Unbreakable crockeries are made from __________ polymers.

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

__________ joint is mostly used for joining pipes carrying water at low pressure.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

In the diving apparatus, helium is used along with oxygen, because it is

Most important property of steels for use in automobile bodies is the

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

Use of water as a manometric liquid suffers from the disadvantage of its

Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?

A high pressure boiler generates steam at a pressure greater than __________ kg/cm².

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

Alloy powder manufactured by the following process have spherical shapes.

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

Also checkout

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Upto the critical radius of insulation, added insulation, will

Property responsible for the talcum powder to cling to the skin is the

Constituents of stellite are

Eutectoid composition of carbon steel at room temperature is

In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C.

Biological shield in a nuclear reactor is generally provided to protect against the

Which of the following pairs is not correctly matched?

Material of construction of the electrode used in the electric resistance welding is

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its

Satellites burn off during re-entry to earth's atmosphere, because of the

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

Which of the following materials has the maximum shrinkage allowance?

Heat release during phase change is observed in case of a/an

Unbreakable crockeries are made from __________ polymers.

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

__________ joint is mostly used for joining pipes carrying water at low pressure.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

In the diving apparatus, helium is used along with oxygen, because it is

Most important property of steels for use in automobile bodies is the

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

Use of water as a manometric liquid suffers from the disadvantage of its

Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?

A high pressure boiler generates steam at a pressure greater than __________ kg/cm2.

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

Alloy powder manufactured by the following process have spherical shapes.

The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

Also checkout

A high pressure boiler generates steam at a pressure greater than __________ kg/cm².

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be