__________ has a negative co-efficient of linear expansion.

Question

__________ has a negative co-efficient of linear expansion.

A. Iron

B. Copper

C. Rubber

D. Nickel

Correct Answer :

B. Copper

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A form of stress corrosion failure termed as 'season cracking' is generally observed in

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Which of the following is preferred for riveting?

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What is the range of tempering temperature (°C) for most of the materials?

A. 75-100

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Change in volume of metals from absolute zero temperature to their melting points is

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During sensible cooling of air, its wet bulb temperature

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When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

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Projection welding & stud welding is categorised as the __________ welding.

D. Arc

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

A. Flux

B. Slag

D. Binder

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Fine grained steels have

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Fibre reinforced plastic (FRP) are

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A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

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Carbon supply in pack carburising process is in the form of

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Which of the following materials does not form adherent oxide film on surface?

A. Copper

B. Nickel

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

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Out of the following, the alloy which has equal percentage of constituents, is

Discuss this answer

Water-tube boiler is the one, in which

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Dowtherm is a

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The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

A. Creep

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Capacity & power requirement for an air compressor working at high altitude compared to sealevel will be

A. More

B. Less

C. Same

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The condition of diffraction from a crystal is given by

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What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

A. 2

B. 8

C. 10

D. 40

Discuss this answer

Annealing of cast iron

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On being hit with a hammer, __________ will readily fracture.

A. Brass

D. Lead

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In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

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__________ remains constant during the adiabatic cooling of moist air.

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Which of the following is the most suitable abrasive for grinding high tensile strength materials?

Discuss this answer

The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

Discuss this answer

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

D. Copper

Discuss this answer

Natural water contains approximately __________ percent of heavy water.

A. 0.015

B. 0.71

C. 1.2

D. 3.5

Discuss this answer

The mechanism involved in the removal of metal in drilling operation is by

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Answer 1

A. Thermosetting polymers

Answer 2

B. High carbon steels

Answer 3

C. Brasses

Answer 4

D. Borosilicate glasses

Answer 5

A. Lap joint

Answer 6

B. Butt joint

Answer 7

C. Either (A) or (B)

Answer 8

D. Neither (A) nor (B)

Answer 9

B. 200-300

Answer 10

C. 350-450

Answer 11

D. 500-600

Answer 12

A. Almost same for all metals

Answer 13

B. Different for different metals

Answer 14

C. Less for low melting point metals

Answer 15

D. Less for high melting point metals

Answer 16

A. Decreases but dew point remains constant

Answer 17

B. Increases but dew point remains constant

Answer 18

C. Increases & the dew point decreases

Answer 19

D. Decreases & the dew point increases

Answer 20

A. Decreases & increases

Answer 21

B. Increases & increases

Answer 22

C. Increases & decreases

Answer 23

D. Decreases & decreases

Answer 24

A. Pressure

Answer 25

B. Thermit

Answer 26

C. Resistance

Answer 27

C. Protective layer

Answer 28

A. High brittleness

Answer 29

B. Higher tendency to distort

Answer 30

C. High ductility

Answer 31

D. None of these

Answer 32

A. Made of glass fibre and thermoplastic resins

Answer 33

B. Anisotropic

Answer 34

C. Made of thermosetting resin and glass fibre

Answer 35

D. Both 'b' & 'c'

Answer 36

A. √(Particle diameter)

Answer 37

B. Particle diameter

Answer 38

C. (Particle diameter)²

Answer 39

D. (Particle diameter)³

Answer 40

A. Charcoal

Answer 41

B. Calcium carbide

Answer 42

C. Hydrocarbon oil

Answer 43

D. Graphite

Answer 44

C. Aluminium

Answer 45

D. Gold & silver

Answer 46

A. Pipe roughness & pipe diameter

Answer 47

B. Fluid velocity

Answer 48

C. Type of flowing fluid

Answer 49

D. Both 'b' & 'c'

Answer 50

A. White metal

Answer 51

B. Gun metal

Answer 52

C. Duralumin

Answer 53

D. Constantan

Answer 54

A. Water passes through tubes and flue gases around it

Answer 55

B. Tube carrying hot flue gases are immersed in a pool of water

Answer 56

C. Tubes are placed in vertical position

Answer 57

D. None of these

Answer 58

A. High temperature heating medium (a petroleum product)

Answer 59

B. Product of coal tar distillation

Answer 60

C. Very heat sensitive material

Answer 61

D. None of these

Answer 62

B. Endurance

Answer 63

C. Fatigue

Answer 64

D. None of these

Answer 65

D. Either more or less; depends on the climatic conditions

Answer 66

A. nλ = 2d Sin θ

Answer 67

B. λ = d Sin 2θ

Answer 68

C. λ = 2d Sin 2θ

Answer 69

D. nλ = d Sin θ

Answer 70

A. Softens it to facilitate machining

Answer 71

B. Decreases the free carbon

Answer 72

C. Increases the strength

Answer 73

D. None of these

Answer 74

B. Mild steel

Answer 75

C. Cast iron

Answer 76

A. Higher, as it gives higher wavelength

Answer 77

B. Lower, as it gives higher wavelength

Answer 78

C. Higher, as it gives shorter wavelength

Answer 79

D. Lower, as it gives shorter wavelength

Answer 80

A. Wet bulb temperature

Answer 81

B. Dry bulb temperature

Answer 82

C. Relative humidity

Answer 83

D. Specific humidity

Answer 84

A. Silicon carbide

Answer 85

B. Corundum

Answer 86

C. Aluminium oxide

Answer 87

D. Boron carbide

Answer 88

A. Greater than

Answer 89

B. Less than

Answer 90

C. Equal to

Answer 91

D. Unpredictable; depends on the bubble size

Answer 92

A. Manganese

Answer 93

B. Magnesium

Answer 94

C. Vanadium

Answer 95

A. Compression

Answer 96

B. Extrusion

Answer 97

C. Shearing

Answer 98

D. Both 'b' & 'c'

__________ has a negative co-efficient of linear expansion.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Which of the following is preferred for riveting?

What is the range of tempering temperature (°C) for most of the materials?

Change in volume of metals from absolute zero temperature to their melting points is

During sensible cooling of air, its wet bulb temperature

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Projection welding & stud welding is categorised as the __________ welding.

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

Fine grained steels have

Fibre reinforced plastic (FRP) are

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

Carbon supply in pack carburising process is in the form of

Which of the following materials does not form adherent oxide film on surface?

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

Out of the following, the alloy which has equal percentage of constituents, is

Water-tube boiler is the one, in which

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The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

Capacity & power requirement for an air compressor working at high altitude compared to sealevel will be

The condition of diffraction from a crystal is given by

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

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On being hit with a hammer, __________ will readily fracture.

In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

__________ remains constant during the adiabatic cooling of moist air.

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

Natural water contains approximately __________ percent of heavy water.

The mechanism involved in the removal of metal in drilling operation is by

Also checkout

__________ has a negative co-efficient of linear expansion.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Which of the following is preferred for riveting?

What is the range of tempering temperature (°C) for most of the materials?

Change in volume of metals from absolute zero temperature to their melting points is

During sensible cooling of air, its wet bulb temperature

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Projection welding & stud welding is categorised as the __________ welding.

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

Fine grained steels have

Fibre reinforced plastic (FRP) are

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

Carbon supply in pack carburising process is in the form of

Which of the following materials does not form adherent oxide film on surface?

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

Out of the following, the alloy which has equal percentage of constituents, is

Water-tube boiler is the one, in which

Dowtherm is a

The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

Capacity & power requirement for an air compressor working at high altitude compared to sealevel will be

The condition of diffraction from a crystal is given by

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

Annealing of cast iron

On being hit with a hammer, __________ will readily fracture.

In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

__________ remains constant during the adiabatic cooling of moist air.

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

Natural water contains approximately __________ percent of heavy water.

The mechanism involved in the removal of metal in drilling operation is by

Also checkout

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.