__________ is the most important element, which controls the physical properties of steel.

Question

__________ is the most important element, which controls the physical properties of steel.

C. Carbon

Correct Answer :

C. Carbon

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Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

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The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

B. Shear

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In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

A.

B.

C.

D.

Discuss this answer

Wrought iron does not have

Discuss this answer

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

A. Brass

D. Lead

Discuss this answer

Electrostatic separation of minerals from each other is based on their differences in the following property.

Discuss this answer

Pick out the correct statement.

Discuss this answer

Photographic plates are coated with

Discuss this answer

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

A. Creep

Discuss this answer

The most suitable material for die casting is

A. Iron

B. Copper

C. Steel

D. Nickel

Discuss this answer

Silicon crystal can be converted to p-type semiconductor by doping with

C. Carbon

D. Boron

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The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

A. Runner

C. Mold

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An oxidation process is accompanied with decrease in the

Discuss this answer

Pick out the wrong statement.

Discuss this answer

Dislocations are __________ defects.

A. Point

B. Line

C. Volume

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Shrinkage allowance on pattern is provided to compensate for shrinkage when the

Discuss this answer

Plastics as a material of construction suffer from the drawback of low

Discuss this answer

The noble metals

Discuss this answer

Pick out the wrong statement.

Discuss this answer

The underground well of a biogas plant is called the

D. Lagoon

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Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Discuss this answer

Which of the following rays has the least wavelength?

D. X-rays

Discuss this answer

Which of the following is prone to cup and cone fracture?

Discuss this answer

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

A. 130

B. 180

C. 230

D. 250

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Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

C. Slip

Discuss this answer

Which of the following is the largest quantum of pressure?

B. 1 bar

Discuss this answer

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

Discuss this answer

Fibrous fracture is normally encountered in the __________ materials.

A. Hard

Discuss this answer

Material of construction of the electrode used in the electric resistance welding is

C. Copper

D. Steel

Discuss this answer

The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

A. More

B. Equal

C. Less

D. Double

Discuss this answer

Answer 1

A. Manganese

Answer 2

B. Silicon

Answer 3

D. Vanadium

Answer 4

A. Enthalpy

Answer 5

B. Relative humidity

Answer 6

C. Wet bulb temperature

Answer 7

D. Dew point temperature

Answer 8

A. Tension

Answer 9

C. Compression

Answer 10

D. Bending & tension

Answer 11

A. Uniform strength in all directions

Answer 12

B. Ability to hold protective coating

Answer 13

C. High ductility & corrosion resistance

Answer 14

D. Easily weldable characteristics

Answer 15

B. Mild steel

Answer 16

C. Cast iron

Answer 17

A. Densities

Answer 18

B. Magnetic permeabilities

Answer 19

C. Electrical conductivities

Answer 20

D. Hardness

Answer 21

A. Materials exhibiting high elasticity obey Hooke's law

Answer 22

B. The elastic behaviour of rubber under compression is the same as its behaviour under tension

Answer 23

C. The damping capacity of a material is due to its plastic deformation

Answer 24

D. The stress required to cause plastic flow in polycrystalline material is higher as compared to monocrystalline materials due to the presence of grains of different orientations

Answer 25

A. Silver nitrate

Answer 26

B. Silver halide

Answer 27

C. Calcium silicate

Answer 28

D. Metallic silver

Answer 29

B. Fatigue

Answer 30

C. Endurance

Answer 31

D. Tensile

Answer 32

A. Phosphorous

Answer 33

B. Nitrogen

Answer 34

B. Cylinder

Answer 35

D. None of these

Answer 36

A. Number of electrons

Answer 37

B. Oxidation number

Answer 38

C. Number of ions

Answer 39

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

Answer 40

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

Answer 41

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

Answer 42

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

Answer 43

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

Answer 44

D. None of these

Answer 45

A. Metal changes from liquid state to solid state at freezing temperature

Answer 46

B. Solid phase temperature drops from freezing temperature to the room temperature

Answer 47

C. Liquid metal temperature drops from pouring temperature to room temperature

Answer 48

D. Liquid metal temperature drops from pouring temperature to freezing temperature

Answer 49

A. Machinability

Answer 50

B. Density

Answer 51

C. Strength

Answer 52

D. Plastic deformation

Answer 53

A. Are exemplified by Na, K and Li

Answer 54

B. Do not resist corrosion very strongly

Answer 55

C. Are the lowermost in the electro-chemical series of metals

Answer 56

D. None of these

Answer 57

A. Copper is the metal having the highest electronic conductivity

Answer 58

B. Hardenability & Weldability of metals are inversely related

Answer 59

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

Answer 60

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

Answer 61

A. Septic tank

Answer 62

B. Oxidation well

Answer 63

C. Digestor

Answer 64

A. Sorbite

Answer 65

B. Bainite

Answer 66

C. Martensite

Answer 67

D. Troostite

Answer 68

A. Ultraviolet rays

Answer 69

B. Infrared rays

Answer 70

C. Cosmic rays

Answer 71

A. Cast iron

Answer 72

B. Soft brass

Answer 73

C. Round specimen of ductile metal

Answer 74

D. Flat tensile specimen of ductile metal

Answer 75

A. Fracture

Answer 76

B. Dislocation

Answer 77

D. Twinning

Answer 78

A. 1 kg/cm²

Answer 79

C. 1 atmosphere

Answer 80

D. 1 kilo Pascal

Answer 81

A. Spheroidising

Answer 82

B. Tempering

Answer 83

C. Normalising

Answer 84

D. Annealing

Answer 85

B. Elastic

Answer 86

C. Ductile

Answer 87

D. Brittle

Answer 88

A. Stainless steel

Answer 89

B. Graphite

__________ is the most important element, which controls the physical properties of steel.

Correct Answer :

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Related Questions

Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

Wrought iron does not have

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

Electrostatic separation of minerals from each other is based on their differences in the following property.

Pick out the correct statement.

Photographic plates are coated with

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

The most suitable material for die casting is

Silicon crystal can be converted to p-type semiconductor by doping with

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

An oxidation process is accompanied with decrease in the

Pick out the wrong statement.

Dislocations are __________ defects.

Shrinkage allowance on pattern is provided to compensate for shrinkage when the

Plastics as a material of construction suffer from the drawback of low

The noble metals

Pick out the wrong statement.

The underground well of a biogas plant is called the

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Which of the following rays has the least wavelength?

Which of the following is prone to cup and cone fracture?

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

Which of the following is the largest quantum of pressure?

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

Fibrous fracture is normally encountered in the __________ materials.

Material of construction of the electrode used in the electric resistance welding is

The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

Also checkout

__________ is the most important element, which controls the physical properties of steel.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

Wrought iron does not have

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

Electrostatic separation of minerals from each other is based on their differences in the following property.

Pick out the correct statement.

Photographic plates are coated with

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

The most suitable material for die casting is

Silicon crystal can be converted to p-type semiconductor by doping with

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

An oxidation process is accompanied with decrease in the

Pick out the wrong statement.

Dislocations are __________ defects.

Shrinkage allowance on pattern is provided to compensate for shrinkage when the

Plastics as a material of construction suffer from the drawback of low

The noble metals

Pick out the wrong statement.

The underground well of a biogas plant is called the

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Which of the following rays has the least wavelength?

Which of the following is prone to cup and cone fracture?

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

Which of the following is the largest quantum of pressure?

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

Fibrous fracture is normally encountered in the __________ materials.

Material of construction of the electrode used in the electric resistance welding is

The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

Also checkout

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is