In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

Question

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

A. Tin

B. Lead

C. Zinc

D. Glass

Correct Answer :

D. Glass

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

D. Lead

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More than 95% of __________ is present in corundum.

A. SiO₂

D. MgO

Discuss this answer

The most commonly used moderator in nuclear power plants is

Discuss this answer

The rolling process cannot be used to produce

A. Plates

B. Rods

C. Tubes

D. Wires

Discuss this answer

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

A. Creep

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Good design of the casing of a centrifugal pump aims at minimising the

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Normalising of a casting does not

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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.

Discuss this answer

An oxidation process is accompanied with decrease in the

Discuss this answer

Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

B. Tool

C. Alloy

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The refrigerant freon-12 is chemically

Discuss this answer

Which of the following hardness tests does not measure the indentation hardness of metals and alloys?

Discuss this answer

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

A. Mach

B. Froude

D. Euler

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Which of the following is not a charge material for cupola?

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Constituents of stellite are

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Out of the following, the __________ pipe has the least corrosion resistance.

B. Copper

Discuss this answer

Window panes of aeroplanes are normally made of

Discuss this answer

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

A. Cold

B. Work

C. Age

Discuss this answer

Metal shots used in shot blasting are made of

B. Steel

C. Bronze

D. Lead

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

Discuss this answer

Suitability of steel for its use in cable is judged by its strength in

D. Shear

Discuss this answer

'Ice point' is designated on Fahrenheit temperature scale by

A. 0°

B. 32°

C. 62°

D. 212°

Discuss this answer

What is the value of entropy at 273°K?

A. 0

B. 1

C. ∞

Discuss this answer

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

Discuss this answer

Unbreakable crockeries are made from __________ polymers.

Discuss this answer

Pick out the correct statement about the condensation.

Discuss this answer

The product of a commercial direct reduction process is

Discuss this answer

Fibrous fracture is normally encountered in the __________ materials.

A. Hard

Discuss this answer

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

Discuss this answer

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

A. Invar

Discuss this answer

Answer 1

A. Borosilicate

Answer 2

B. High silica

Answer 3

C. Supermax

Answer 4

B. Al₂O₃

Answer 5

C. CaSiO₂

Answer 6

A. Graphite

Answer 7

B. Light water

Answer 8

C. Heavy water

Answer 9

D. Beryllium

Answer 10

B. Toughness

Answer 11

C. Tensile strength

Answer 12

D. Fatigue

Answer 13

A. Cavitation

Answer 14

B. Frictional losses

Answer 15

C. Kinetic energy loss

Answer 16

D. Static head

Answer 17

A. Induce stresses in it

Answer 18

B. Refine its grain structure

Answer 19

C. Reduce segregation

Answer 20

D. Improve its mechanical properties

Answer 21

A. Number of electrons

Answer 22

B. Oxidation number

Answer 23

C. Number of ions

Answer 24

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

Answer 25

A. Wrought

Answer 26

D. Plain carbon

Answer 27

A. CCl₂F₂

Answer 28

B. CCl₃F

Answer 29

C. CClF₃

Answer 30

D. CCl₄F

Answer 31

A. Vickers hardness test

Answer 32

B. Shore scleroscope test

Answer 33

C. Brinell hardness test

Answer 34

D. Rockwell hardness test

Answer 35

C. Reynolds

Answer 36

A. Limestone

Answer 37

B. Iron scrap

Answer 38

C. Iron ore

Answer 39

D. Pig iron

Answer 40

A. Zinc, copper & nickel

Answer 41

B. Cobalt, chromium & tungsten

Answer 42

C. Zinc, aluminium & nickel

Answer 43

D. Nickel, cobalt & vanadium

Answer 44

A. Mild steel

Answer 45

C. Cast iron

Answer 46

D. Wrought iron

Answer 47

A. Perspex (PMMA)

Answer 48

B. Teflon (PTFE)

Answer 49

C. Bakelite (phenol formaldehyde)

Answer 50

D. Polystyrene

Answer 51

D. Induction

Answer 52

A. Stellite

Answer 53

A. 3171P_a

Answer 54

B. 3567P_a

Answer 55

C. 1.01 × 10⁵P_a

Answer 56

D. 5000P_a

Answer 57

A. Tension

Answer 58

B. Compression

Answer 59

C. Torsion

Answer 60

D. None of these

Answer 61

A. Wet bulb

Answer 62

B. Dry bulb

Answer 63

C. Saturation

Answer 64

D. Dew point

Answer 65

A. Polystyrene

Answer 66

B. Melamine

Answer 67

C. Polystyrene

Answer 68

D. Polyurethane

Answer 69

A. Filmwise condensation gives a lower heat transfer rate than the dropwise condensation

Answer 70

B. Suitable coating or vapour additive is used to promote film wise condensation

Answer 71

C. If a condensing liquid does not wet the surface dropwise, even then condensation will take place on it

Answer 72

D. Reynolds number of condensing liquid is based on its mass flow rate

Answer 73

A. Liquid iron

Answer 74

B. Solid iron

Answer 75

C. Sponge iron

Answer 76

D. Iron saturated with carbon

Answer 77

B. Elastic

Answer 78

C. Ductile

Answer 79

D. Brittle

Answer 80

A. Strain rate is increased

Answer 81

B. Grain size is increased

Answer 82

C. Prior cold deformation is increased

Answer 83

D. Not affected by any of the above parameters

Answer 84

B. Hastelloy

Answer 85

C. Duralumin

Answer 86

D. Monel metal

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

More than 95% of __________ is present in corundum.

The most commonly used moderator in nuclear power plants is

The rolling process cannot be used to produce

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

Good design of the casing of a centrifugal pump aims at minimising the

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Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Metal shots used in shot blasting are made of

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

Suitability of steel for its use in cable is judged by its strength in

'Ice point' is designated on Fahrenheit temperature scale by

What is the value of entropy at 273°K?

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

Unbreakable crockeries are made from __________ polymers.

Pick out the correct statement about the condensation.

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Also checkout

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

More than 95% of __________ is present in corundum.

The most commonly used moderator in nuclear power plants is

The rolling process cannot be used to produce

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

Good design of the casing of a centrifugal pump aims at minimising the

Normalising of a casting does not

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?

An oxidation process is accompanied with decrease in the

Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

The refrigerant freon-12 is chemically

Which of the following hardness tests does not measure the indentation hardness of metals and alloys?

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

Which of the following is not a charge material for cupola?

Constituents of stellite are

Out of the following, the __________ pipe has the least corrosion resistance.

Window panes of aeroplanes are normally made of

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Metal shots used in shot blasting are made of

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

Suitability of steel for its use in cable is judged by its strength in

'Ice point' is designated on Fahrenheit temperature scale by

What is the value of entropy at 273°K?

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

Unbreakable crockeries are made from __________ polymers.

Pick out the correct statement about the condensation.

The product of a commercial direct reduction process is

Fibrous fracture is normally encountered in the __________ materials.

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

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

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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