The condition of diffraction from a crystal is given by

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The condition of diffraction from a crystal is given by

A. nλ = 2d Sin θ

B. λ = d Sin 2θ

C. λ = 2d Sin 2θ

D. nλ = d Sin θ

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Moist climate is the most favourable factor in the site selection far a

A. Steel plant

B. Textile factory

C. Petroleum refinery

D. Coke oven battery

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Plasma is

A. A high temperature neutral gas

B. Nothing but ionised gas

C. A source of steady and highest controllable pressure

D. Formed at very low temperature

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Titanium is added to molten aluminium alloys before casting for the purpose of

A. Grain refinement

B. Increasing corrosion resistance

C. Reducing porosity

D. Improving fluidity

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The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

A. Fatigue strength

B. Creep strength

C. Resilience

D. Endurance limit

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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

Discuss this answer

Insulation of liquid surface can be achieved by __________ on top of its surface.

A. Floating hollow polypropylene spheres

B. Spraying alumina powder

C. Putting cement

D. None of these

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Propulsion of rocket follows from the

A. Newton's second law of motion

B. Newton's third law of motion

C. Law of projectiles

D. Archimedes principle

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For an ideal gas, C_p - C_v is

A. R

B. -R

C. 0

D. (3/2) R

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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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Brazing filler metal used for joining steel plates

A. Melts below the melting points of base metals

B. Melts below 300°C

C. Is copper phosphorous alloy

D. Is copper

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Sub zero treatment of steel is done to

A. Suppress martensite transformation

B. Enhance its working performance in sub zero atmosphere

C. Reduce the retained austenite in hardened steel

D. Induce temper brittleness after its hardening

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Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when

A. Strain rate is increased

B. Grain size is increased

C. Prior cold deformation is increased

D. Not affected by any of the above parameters

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While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

A. Waiting

B. Idle

C. Inspection

D. Tool replacement

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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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Coarse grained steels have

A. Low toughness

B. No tendency to distort

C. High density

D. Very high toughness

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While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

A. 0.25

B. 0.45

C. 0.70

D. 0.95

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__________ fluid force is not considered in the Navier-Stokes equation.

A. Turbulent

B. Viscous

C. Gravity

D. Pressure

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Factor of safety is the ratio of the __________ stress to the working stress.

A. Tensile

B. Compressive

C. Yield

D. Bearing

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Which of the following metals reacts violently with water?

A. Mercury

B. Sodium

C. Calcium

D. Magnesium

Discuss this answer

The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

A. Pipe roughness & pipe diameter

B. Fluid velocity

C. Type of flowing fluid

D. Both 'b' & 'c'

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Cementite is in the lamellar form in the __________ phase of steel.

A. Martenistic

B. Bainitic

C. Pearlitic

D. Ferritic

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Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

A. Paper

B. Cloth

C. Lead

D. Aluminium

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A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

A. Increase

B. Decrease

C. Remain unaffected

D. May increase or decrease; depends on the thickness of each layer

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Sudden fall of atmospheric pressure by a large amount is an indication of the

A. Rain

B. Cold wave

C. Storm

D. Fair weather

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Difference at any instant between the value of the controlled variable and the set point is called the

A. Deviation

B. Derivative time

C. Error ratio

D. Differential gap

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Highest cutting speed is achieved by the __________ tool material.

A. High speed steel

B. Carbide

C. Cast alloy

D. Plain carbon steel

Discuss this answer

Rankine cycle comprises of two isothermal and two __________ processes.

A. Isobaric

B. Polytropic

C. Isentropic

D. None of these

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A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

A. Neutral

B. Ideal

C. Buffer

D. Zero pH

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__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

A. Borosilicate

B. High silica

C. Supermax

D. Lead

Discuss this answer

A psychrometer does not measure the __________ temperature of moist air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

Discuss this answer

Accepted Answer

A. nλ = 2d Sin θ

The condition of diffraction from a crystal is given by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Moist climate is the most favourable factor in the site selection far a

Plasma is

Titanium is added to molten aluminium alloys before casting for the purpose of

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__________ fluid force is not considered in the Navier-Stokes equation.

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Which of the following metals reacts violently with water?

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Cementite is in the lamellar form in the __________ phase of steel.

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Also checkout

The condition of diffraction from a crystal is given by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Moist climate is the most favourable factor in the site selection far a

Plasma is

Titanium is added to molten aluminium alloys before casting for the purpose of

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

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

Insulation of liquid surface can be achieved by __________ on top of its surface.

Propulsion of rocket follows from the

For an ideal gas, Cp - Cv is

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

Brazing filler metal used for joining steel plates

Sub zero treatment of steel is done to

Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when

While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

Eutectoid composition of carbon steel at room temperature is

Coarse grained steels have

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature).

__________ fluid force is not considered in the Navier-Stokes equation.

Factor of safety is the ratio of the __________ stress to the working stress.

Which of the following metals reacts violently with water?

The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

Cementite is in the lamellar form in the __________ phase of steel.

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

Sudden fall of atmospheric pressure by a large amount is an indication of the

Difference at any instant between the value of the controlled variable and the set point is called the

Highest cutting speed is achieved by the __________ tool material.

Rankine cycle comprises of two isothermal and two __________ processes.

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

A psychrometer does not measure the __________ temperature of moist air.

Also checkout

For an ideal gas, C_p - C_v is

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).