__________ is not used as a material of construction in thermocouples.

Question

__________ is not used as a material of construction in thermocouples.

A. Alumel

B. Rhodium

C. Constantan

D. Duralumin

Share this question with your friends

Show all Chemical Engineering Basics MCQ

Comment

Which of the following is not an ore of copper?

A. Cryolite

B. Azurite

C. Chalcopyrite

D. Malachite

Discuss this answer

Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?

A. Air filter

B. Fuel injector

C. Exhaust silencer

D. Battery

Discuss this answer

The material used for coating the welding electrode is termed as the

A. Flux

B. Slag

C. Protective layer

D. Binder

Discuss this answer

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

Discuss this answer

__________ is not a case hardening process.

A. Carburising

B. Nitriding

C. Cyaniding

D. Annealing

Discuss this answer

Gratings is associated with the measurement of

A. Linear displacement

B. Concavity/convexity

C. Surface texture

D. Flatness

Discuss this answer

About __________ ton of coke is required in a cupola to produce one ton of casting.

A. 0.03

B. 0.3

C. 0.8

D. 1.5

Discuss this answer

For the irreversible reaction, C_a+ 2C = C_a C₂ , Δ H°298 = - 60000 J . mole_-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

A. 30,000 J

B. 60,000 J

C. 90,000 J

D. 2,40,000 J

Discuss this answer

For preparation of porous bearings by powder metallurgy, preferred particle shape is

A. Spherical

B. Nodular

C. Irregular

D. No preferred shape

Discuss this answer

Spheroidising of a material is a/an __________ process.

A. Normalising

B. Annealing

C. Tempering

D. Hardening

Discuss this answer

Large scale fire on fuel gas line is normally extinguished by

A. Water

B. Steam

C. Foam

D. Nitrogen

Discuss this answer

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A. Same

B. Slightly less

C. Slightly more

D. Much more

Discuss this answer

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

A. Parallel flow with equal heat capacities

B. Counter flow with equal heat capacities

C. Counter flow with unequal heat capacities

D. Parallel flow with unequal heat capacities

Discuss this answer

With increase in impurities in metals, their corrosion resistances

A. Increase

B. Decrease

C. Remain same

D. May increase or decrease; depending on the type of metal

Discuss this answer

Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

A. Parting

B. Synthetic

C. Loam

D. Dry

Discuss this answer

Pick out the wrong statement.

A. Copper is the metal having the highest electronic conductivity

B. Hardenability & Weldability of metals are inversely related

C. Covalent bonding formed by sharing of electrons is present in all semi-conductor materials

D. Glass transition temperature applies to 'polymers' but not to 'glasses'

Discuss this answer

A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

A. -0.8

B. 0.8

C. +0.08

D. -0.24

Discuss this answer

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

A. Increases the reducing potential of the gas

B. Increases the flame temperature

C. No significant change occurs

D. Increases the hydrogen content in the metal

Discuss this answer

Ultimate strength in tension as compared to that in shear for steel is

A. Half

B. One third

C. One and half times

D. One fourth

Discuss this answer

Broaching tools are usually made of

A. Cermets

B. High speed steel

C. Tungsten carbide

D. Stellite

Discuss this answer

__________ of hard alloy and tool steel is done to make it easily machinable.

A. Case carburising

B. Tempering

C. Normalising

D. Annealing

Discuss this answer

During sensible heating of humid air

A. Relative humidity increases

B. Dew point remains constant

C. Dry bulb & wet bulb temperature increases

D. Both 'b' & 'c'

Discuss this answer

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

A. 5 to 10

B. 15 to 25

C. 45 to 50

D. 75 to 80

Discuss this answer

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

A. Resilience

B. Toughness

C. Ductility

D. Impact strength

Discuss this answer

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

A. Linearly

B. Exponentially

C. Logarithmically

D. Inversely

Discuss this answer

To improve the machinability of steel, it is generally subjected to

A. Spheroidising

B. Tempering

C. Normalising

D. Annealing

Discuss this answer

Which one is neutral in character?

A. N₂O₄

B. N₂O

C. N₂O₅

D. N₂O₃

Discuss this answer

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

A. High vacuum

B. Zero pressure

C. 0°K

D. Earth's centre

Discuss this answer

__________ test is the appropriate test to determine whether a material is ductile or brittle.

A. Impact

B. Cupping

C. Hardness

D. Tensile

Discuss this answer

'Flare tower' used in industry is meant for

A. Venting off (after burning) the excess inflammable/toxic gases at high pressure

B. Absorbing the pollutant gases from the furnace exhaust

C. Cooling of furnace exhaust gases

D. None of these

Discuss this answer

Accepted Answer

D. Duralumin

__________ is not used as a material of construction in thermocouples.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following is not an ore of copper?

Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?

The material used for coating the welding electrode is termed as the

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

__________ is not a case hardening process.

Gratings is associated with the measurement of

About __________ ton of coke is required in a cupola to produce one ton of casting.

For the irreversible reaction, C_a+ 2C = C_a C₂ , Δ H°298 = - 60000 J . mole_-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Spheroidising of a material is a/an __________ process.

Large scale fire on fuel gas line is normally extinguished by

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

With increase in impurities in metals, their corrosion resistances

Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

Pick out the wrong statement.

A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

Ultimate strength in tension as compared to that in shear for steel is

Broaching tools are usually made of

__________ of hard alloy and tool steel is done to make it easily machinable.

During sensible heating of humid air

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

To improve the machinability of steel, it is generally subjected to

Which one is neutral in character?

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

__________ test is the appropriate test to determine whether a material is ductile or brittle.

'Flare tower' used in industry is meant for

Also checkout

__________ is not used as a material of construction in thermocouples.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following is not an ore of copper?

Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?

The material used for coating the welding electrode is termed as the

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

__________ is not a case hardening process.

Gratings is associated with the measurement of

About __________ ton of coke is required in a cupola to produce one ton of casting.

For the irreversible reaction, Ca+ 2C = Ca C2 , Δ H°298 = - 60000 J . mole-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Spheroidising of a material is a/an __________ process.

Large scale fire on fuel gas line is normally extinguished by

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

With increase in impurities in metals, their corrosion resistances

Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

Pick out the wrong statement.

A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

Ultimate strength in tension as compared to that in shear for steel is

Broaching tools are usually made of

__________ of hard alloy and tool steel is done to make it easily machinable.

During sensible heating of humid air

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

To improve the machinability of steel, it is generally subjected to

Which one is neutral in character?

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

__________ test is the appropriate test to determine whether a material is ductile or brittle.

'Flare tower' used in industry is meant for

Also checkout

For the irreversible reaction, C_a+ 2C = C_a C₂ , Δ H°298 = - 60000 J . mole_-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be