Which of the following properties of a solid is not dependent on crystal imperfection?

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Which of the following properties of a solid is not dependent on crystal imperfection?

A. Ductility

B. Semi-conductivity

C. Melting point

D. Yield stress

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Powder metallurgy process does not make metal powder by

A. Atomisation

B. Grinding/milling

C. Hammering

D. Electrolytic deposition

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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

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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

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For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

A. 250

B. 500

C. 1000

D. 3000

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In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

A. Percentage elongation

B. Brinell hardness

C. Tensile strength

D. All 'a', 'b' & 'c'

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Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

A. A

B. l

C. A2

D. Both 'a' & 'b'

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Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

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During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

A. Time

B. Square root of time

C. Square of time

D. Cube of time

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Diamagnetic materials

A. Are magnetised by eddy currents only

B. Are non-magnetic and cannot be magnetised

C. Are magnetised in direction opposite to the magnetic field

D. Can be magnetised in one direction only

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The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

A. 60 - 100

B. 400 - 700

C. 1200 -1500

D. 2000 - 2300

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In a neutral solution

A. H⁺ ions are absent

B. OH^- ions are absent

C. Both H⁺ and OH^- ions are present in very small but equal concentration

D. None of these

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Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

A. Styrofoam

B. Lucite

C. Perspex

D. Plexiglass

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Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

A.

B.

C.

D.

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Pick out the wrong statement.

A. The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S

B. For a helical spring, deflection is proportional to D³ (D = mean coil diameter) or d⁴ (d = wire diameter)

C. Crushing load or columns is less than the buckling load

D. Modulus of resilience is proportional to (stress at elastic limit)²

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Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________ hardness.

A. Scratch

B. Indentation

C. Dynamic

D. Rebound

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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

A. 1/k

B. k

C. k²

D. 1/k²

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__________ is used for tying the steel columns to concrete foundation.

A. Grouting

B. Eyebolt

C. Anchor bolts

D. Refractory castables

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Optical activity is a/an __________ property.

A. Additive

B. Constitutive

C. Both (A) & (B)

D. Neither (A) nor (B)

Discuss this answer

Broaching tools are usually made of

A. Cermets

B. High speed steel

C. Tungsten carbide

D. Stellite

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Between 230 and 370°C, blue brittleness is caused in mild steel because of the

A. Immobility of dislocation

B. Strain-ageing

C. Increase in Young's modulus

D. Strain hardening

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__________ is not a case hardening process.

A. Carburising

B. Nitriding

C. Cyaniding

D. Annealing

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Drossing is a __________ operation.

A. Smelting

B. Dressing

C. Roasting

D. Dressing

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The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

A. 4.4

B. 5.6

C. 8.4

D. 2.4

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The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

A. Flow output

B. Head developed

C. Overall efficiency

D. Weight

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Lead is poured into the joint between two __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

A. Achieve very high purity of aluminium (99.9%)

B. Keep the electrolyte in liquid condition by the generation of heat

C. Electrolytically dissociate alumina

D. Both (B) & (C)

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Which of the following is used to produce draught in the locomotive boilers?

A. Chimney

B. Induced draught fan

C. Forced draught fan

D. Steam jet arrangement

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During sensible cooling of air, its wet bulb temperature

A. Decreases but dew point remains constant

B. Increases but dew point remains constant

C. Increases & the dew point decreases

D. Decreases & the dew point increases

Discuss this answer

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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Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

A. Retained austenite

B. Martensite formation

C. Relatively high sulphur content in the base metal

D. Sufficient hydrogen present in the welding arc

Discuss this answer

Accepted Answer

C. Melting point

Which of the following properties of a solid is not dependent on crystal imperfection?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Powder metallurgy process does not make metal powder by

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

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

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

Transformer cores are normally made from

During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

Diamagnetic materials

The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

In a neutral solution

Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

Pick out the wrong statement.

Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________ hardness.

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

__________ is used for tying the steel columns to concrete foundation.

Optical activity is a/an __________ property.

Broaching tools are usually made of

Between 230 and 370°C, blue brittleness is caused in mild steel because of the

__________ is not a case hardening process.

Drossing is a __________ operation.

The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

Lead is poured into the joint between two __________ pipes.

Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

Which of the following is used to produce draught in the locomotive boilers?

During sensible cooling of air, its wet bulb temperature

Brazing filler metal used for joining steel plates

Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

Also checkout

Which of the following properties of a solid is not dependent on crystal imperfection?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Powder metallurgy process does not make metal powder by

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

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

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

Transformer cores are normally made from

During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

Diamagnetic materials

The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

In a neutral solution

Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

Pick out the wrong statement.

Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________ hardness.

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

__________ is used for tying the steel columns to concrete foundation.

Optical activity is a/an __________ property.

Broaching tools are usually made of

Between 230 and 370°C, blue brittleness is caused in mild steel because of the

__________ is not a case hardening process.

Drossing is a __________ operation.

The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

Lead is poured into the joint between two __________ pipes.

Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

Which of the following is used to produce draught in the locomotive boilers?

During sensible cooling of air, its wet bulb temperature

Brazing filler metal used for joining steel plates

Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

Also checkout

The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to