Solute atoms which cause yield point phenomenon in mild steel are/is

Question

Solute atoms which cause yield point phenomenon in mild steel are/is

B. Boron

C. Carbon

Correct Answer :

C. Carbon

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Comment

Cast iron contains __________ percent carbon.

A. 2.5

B. 3.75

C. 4.75

D. 5.25

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Which of the following does not have a sharp melting point?

A. Thoria

B. Glass

C. Ice

Discuss this answer

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

A. Only

Discuss this answer

For separating small pieces of metal from engine oil of a car, the best separating technique is the

Discuss this answer

Addition of silicon to cast iron

Discuss this answer

Pick out the wrong statement about coating/electroplating of metals.

Discuss this answer

Encyclopaedia of Chemical Technology has been

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Which of the following metals is the most prone to work hardening?

A. Brass

C. Copper

D. Lead

Discuss this answer

What is the value of included angle of a triangular notch for maximum discharge?

A. 30°

B. 60°

C. 90°

D. 120°

Discuss this answer

Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

A. 80-120

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__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

A. Mach

C. Froude

D. Weber

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Addition of __________ to steel does not help in improving its machinability.

C. Lead

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The main reducing agent in iron blast furnace is

C. Oxygen

D. Air

Discuss this answer

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

Discuss this answer

Tempering of a material does not improve its

Discuss this answer

Cold chisel & hammers are made of

Discuss this answer

The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.

A. 140

B. 180

C. 240

D. 280

Discuss this answer

A dense structure of grinding wheel is not used for the

Discuss this answer

Dry saturated steam can be converted into superheated steam by

Discuss this answer

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

Discuss this answer

The two elements required to form substitutional solid solution should not have

Discuss this answer

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

D. Arc

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Powder metallurgy process does not make metal powder by

Discuss this answer

With increase in annealing temperature, the following defect density decreases.

Discuss this answer

The main charge in blast furnace is usually

Discuss this answer

Which one of the following is incombustible?

A. H2

B. CCl4

C. C2H2

D. S

Discuss this answer

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

A. 15

B. 25

C. 10

D. 30

Discuss this answer

Vernier calipers cannot be used to measure the

Discuss this answer

__________ remains constant during the adiabatic cooling of moist air.

Discuss this answer

With increase in temperature, the electrical conductivity of semiconductors

Discuss this answer

Answer 1

A. Aluminium

Answer 2

D. Nitrogen

Answer 3

D. Pig iron

Answer 4

B. Plus variable cost

Answer 5

C. Plus overhead cost

Answer 6

D. Plus selling expenses

Answer 7

A. Chromatography

Answer 8

B. Evaporation

Answer 9

C. Filtration

Answer 10

D. Fractional distillation

Answer 11

A. Promotes graphite module formation

Answer 12

B. Improves its ductility

Answer 13

C. Does not promote graphite flakes formation

Answer 14

D. Increases the fluidity of molten metal

Answer 15

A. Phosphate coating is used as an excellent base for paints & enamels

Answer 16

B. Phosphate coating is less corrosion resistant than chromate coating

Answer 17

C. The base metal to be electroplated is normally made the cathode of the electrolytic cell and coating metal is made the anode

Answer 18

D. Calorising is the process of coating steel with chromium

Answer 19

A. Authored by Kirk Othmer

Answer 20

B. Edited by Perry and Chilton

Answer 21

C. Edited by Kirk Othmer

Answer 22

D. Authored by Perry and Chilton

Answer 23

B. Aluminium

Answer 24

B. 200-300

Answer 25

C. 600-800

Answer 26

D. 1000-1100

Answer 27

B. Reynolds

Answer 28

A. Sulphur

Answer 29

B. Silicon

Answer 30

D. Phosphorous

Answer 31

A. Carbon dioxide

Answer 32

B. Carbon monoxide

Answer 33

A. Spheroidising

Answer 34

B. Tempering

Answer 35

C. Normalising

Answer 36

D. Annealing

Answer 37

A. Machinability

Answer 38

B. Toughness

Answer 39

C. Internal stress level

Answer 40

D. Softness

Answer 41

A. High speed steel

Answer 42

B. High carbon steel

Answer 43

C. Forged steel

Answer 44

D. Mild steel

Answer 45

A. Ductile material

Answer 46

B. Hard materials

Answer 47

C. Brittle materials

Answer 48

D. Finishing cuts

Answer 49

A. Increasing its cross-sectional area of flow

Answer 50

B. Passing it through a pressure reducing valve

Answer 51

C. Forcing it downwards through a vertical tube

Answer 52

D. None of these

Answer 53

A. Wetness

Answer 54

B. Mass flow rate

Answer 55

C. Both 'a' & 'b'

Answer 56

D. Neither 'a' nor 'b'

Answer 57

A. Same crystalline structure

Answer 58

B. Same valency

Answer 59

C. Widely differing electronegativity

Answer 60

D. Same atomic sizes

Answer 61

A. Pressure

Answer 62

B. Thermit

Answer 63

C. Resistance

Answer 64

A. Atomisation

Answer 65

B. Grinding/milling

Answer 66

C. Hammering

Answer 67

D. Electrolytic deposition

Answer 68

A. Vacancy

Answer 69

B. Dislocation

Answer 70

C. Grain boundary

Answer 71

D. All of these

Answer 72

A. Iron ore & coke

Answer 73

B. Iron ore, coke & air

Answer 74

C. Limestone, coke & iron ore

Answer 75

D. Limestone, sand & iron ore

Answer 76

A. I.D. & O.D. of the shaft

Answer 77

B. Thickness of parts

Answer 78

C. Depth of holes

Answer 79

D. Clearance between two mating surfaces

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. Increases

Answer 85

B. Decreases

Answer 86

C. Remain constant

Answer 87

D. Either (A) or (B), depends on the type of semi-conductor

Solute atoms which cause yield point phenomenon in mild steel are/is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Cast iron contains __________ percent carbon.

Which of the following does not have a sharp melting point?

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

For separating small pieces of metal from engine oil of a car, the best separating technique is the

Addition of silicon to cast iron

Pick out the wrong statement about coating/electroplating of metals.

Encyclopaedia of Chemical Technology has been

Which of the following metals is the most prone to work hardening?

What is the value of included angle of a triangular notch for maximum discharge?

Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Addition of __________ to steel does not help in improving its machinability.

The main reducing agent in iron blast furnace is

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

Tempering of a material does not improve its

Cold chisel & hammers are made of

The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.

A dense structure of grinding wheel is not used for the

Dry saturated steam can be converted into superheated steam by

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

The two elements required to form substitutional solid solution should not have

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

Powder metallurgy process does not make metal powder by

With increase in annealing temperature, the following defect density decreases.

The main charge in blast furnace is usually

Which one of the following is incombustible?

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

Vernier calipers cannot be used to measure the

__________ remains constant during the adiabatic cooling of moist air.

With increase in temperature, the electrical conductivity of semiconductors

Also checkout

Solute atoms which cause yield point phenomenon in mild steel are/is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Cast iron contains __________ percent carbon.

Which of the following does not have a sharp melting point?

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

For separating small pieces of metal from engine oil of a car, the best separating technique is the

Addition of silicon to cast iron

Pick out the wrong statement about coating/electroplating of metals.

Encyclopaedia of Chemical Technology has been

Which of the following metals is the most prone to work hardening?

What is the value of included angle of a triangular notch for maximum discharge?

Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Addition of __________ to steel does not help in improving its machinability.

The main reducing agent in iron blast furnace is

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

Tempering of a material does not improve its

Cold chisel & hammers are made of

The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.

A dense structure of grinding wheel is not used for the

Dry saturated steam can be converted into superheated steam by

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

The two elements required to form substitutional solid solution should not have

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

Powder metallurgy process does not make metal powder by

With increase in annealing temperature, the following defect density decreases.

The main charge in blast furnace is usually

Which one of the following is incombustible?

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is __________ mm.

Vernier calipers cannot be used to measure the

__________ remains constant during the adiabatic cooling of moist air.

With increase in temperature, the electrical conductivity of semiconductors

Also checkout

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.