Energy of the sun arises mainly from __________ reactions.

Question

Energy of the sun arises mainly from __________ reactions.

A. Fusion

Correct Answer :

A. Fusion

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A dummy activity is used in PERT network to describe the

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The most detrimental impurity in high pressure boiler feed water is

C. Silica

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Which of the following fastening devices has its both ends threaded?

A. Bolt

B. Stud

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Which of the following is an ore dressing operation?

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Increase in the entropy of a system represents the

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Normalising does not __________ of a metal.

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Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

D. Any

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Shampoos are commercially not available in the form of

A. Powder

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Lead is added to 60:40 brass primarily to improve

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__________ of grey cast iron produces white cast iron.

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The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

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Maraging steels derive their strength from the following mechanism:

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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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With increase in temperature, the surface tension of water

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The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

A. 768

B. 908

C. 1400

D. 1539

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Increasing sulphur content in pig iron tends to make it

A. Soft

B. Hard

C. Tough

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For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

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Gross national product (GNP) means the total value of __________ in a country.

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A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

A. Lead

B. Glass

C. Mica

D. Silver

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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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Electrometallurgical methods of metal extraction is normally used for those metals

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What happens, when SO₂ is passed through a solution of H2S in water?

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

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Co-efficient of performance of a Carnot cycle refrigerator operating between - 23°C and + 27°C is

A. 3

B. 5

C. 0.5

D. 1.5

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__________ temperature remains constant during adiabatic saturation process of unsaturated air.

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The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

Discuss this answer

Age hardening is connected with

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Heat flow across a hollow sphere of inner radius 'r₁' and outer radius 'r₂' is directly proportional to

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__________ rubber is generally used for making 'O' rings used for vacuum sealings.

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Primary designation of steel is based on its

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Answer 1

B. Fission

Answer 2

C. Combustion

Answer 3

D. None of these

Answer 4

A. Precedence relationship

Answer 5

B. Resource idleness

Answer 6

C. Resource restriction

Answer 7

D. Necessary time delay

Answer 8

A. Suspended salt

Answer 9

B. Dissolved salt

Answer 10

D. Turbidity

Answer 11

C. Set screw

Answer 12

D. Split nut

Answer 13

A. Classification

Answer 14

B. Smelting

Answer 15

C. Roasting

Answer 16

D. None of these

Answer 17

A. Degradation of energy

Answer 18

B. Decrease in system pressure

Answer 19

C. Increase in the availability of energy

Answer 20

D. Increase in the temperature

Answer 21

A. Improve machinability & tensile strength

Answer 22

B. Remove internal stresses

Answer 23

C. Refine the structure

Answer 24

D. Remove strains caused by cold working

Answer 25

A. Horizontal

Answer 26

B. Vertical

Answer 27

C. Inclined

Answer 28

B. Gaseous mixture

Answer 29

C. Solution

Answer 30

D. Emulsion

Answer 31

A. Machinability

Answer 32

B. Corrosion resistance

Answer 33

C. Fluidity

Answer 34

D. Strength

Answer 35

A. Tempering

Answer 36

B. Rapid heating

Answer 37

C. Rapid cooling

Answer 38

D. Slow cooling

Answer 39

A. Decreasing the surface area of the electrodes

Answer 40

B. Increasing the concentration of zinc sulphate solution

Answer 41

C. Increasing the surface area of the electrodes

Answer 42

D. Increasing the concentration of copper sulphate solution

Answer 43

A. A fine, highly dislocated and strong martensite

Answer 44

B. Fine dispersions of inter-metallic of Fe, Ni, Ti etc

Answer 45

C. Fine dispersions of alloy carbides in a ferrite matrix

Answer 46

D. Fine dispersions of

C nucleated on dislocations in austenite

Answer 47

A. Increases

Answer 48

B. Decreases

Answer 49

C. Remain constant

Answer 50

D. Increases linearly

Answer 51

D. Ductile & malleable

Answer 52

A. Reynolds number (based on sphere diameter) should be < 1

Answer 53

B. Flow around the sphere should be in turbulent region

Answer 54

C. Sphere must be metallic

Answer 55

D. Fluid density should be constant

Answer 56

A. Goods produced

Answer 57

B. Gold reserve

Answer 58

C. Earning of the citizens

Answer 59

D. Taxes paid

Answer 60

B. Endurance

Answer 61

C. Fatigue

Answer 62

D. None of these

Answer 63

A. Whose oxide/ore is not reduced by carbon

Answer 64

B. Which fall in the category of alkali & alkaline earth metals

Answer 65

C. Which stands higher in the electrochemical series of the metal

Answer 66

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

Answer 67

A. Precipitation of sulphur takes place

Answer 68

B. H₂SO₃ is formed

Answer 69

C. Oleum is formed

Answer 70

D. None of these

Answer 71

A. Wetness

Answer 72

B. Mass flow rate

Answer 73

C. Both 'a' & 'b'

Answer 74

D. Neither 'a' nor 'b'

Answer 75

A. Dew point

Answer 76

B. Dry bulb

Answer 77

C. Wet bulb

Answer 78

D. None of these

Answer 79

A. Resilience

Answer 80

B. Toughness

Answer 81

C. Ductility

Answer 82

D. Impact strength

Answer 83

A. Babbitt metal

Answer 84

B. Gun metal

Answer 85

C. Stainless steel

Answer 86

D. Duralumin

Answer 87

A. (r₂ - r₁)/r₁. r₂

Answer 88

B. r₁. r₂/(r₂- r₁)

Answer 89

C. (r₂ + r₁)/r₁. r₂

Answer 90

D. r₁. r₂/(r₂ + r₁)

Answer 91

A. Natural

Answer 92

B. Neoprene

Answer 93

C. Butadiene

Answer 94

D. Nitrile

Answer 95

A. Hardness & tensile strength

Answer 96

B. Carbon content

Answer 97

C. Iron content

Answer 98

D. Alloying elements content

Energy of the sun arises mainly from __________ reactions.

Correct Answer :

Show all Chemical Engineering Basics MCQ

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The most detrimental impurity in high pressure boiler feed water is

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Increase in the entropy of a system represents the

Normalising does not __________ of a metal.

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The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

Increasing sulphur content in pig iron tends to make it

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

Gross national product (GNP) means the total value of __________ in a country.

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

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

Electrometallurgical methods of metal extraction is normally used for those metals

What happens, when SO₂ is passed through a solution of H2S in water?

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

Co-efficient of performance of a Carnot cycle refrigerator operating between - 23°C and + 27°C is

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

Age hardening is connected with

Heat flow across a hollow sphere of inner radius 'r₁' and outer radius 'r₂' is directly proportional to

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Also checkout

Energy of the sun arises mainly from __________ reactions.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A dummy activity is used in PERT network to describe the

The most detrimental impurity in high pressure boiler feed water is

Which of the following fastening devices has its both ends threaded?

Which of the following is an ore dressing operation?

Increase in the entropy of a system represents the

Normalising does not __________ of a metal.

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

Shampoos are commercially not available in the form of

Lead is added to 60:40 brass primarily to improve

__________ of grey cast iron produces white cast iron.

The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by

Maraging steels derive their strength from the following mechanism:

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

With increase in temperature, the surface tension of water

The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

Increasing sulphur content in pig iron tends to make it

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

Gross national product (GNP) means the total value of __________ in a country.

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

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

Electrometallurgical methods of metal extraction is normally used for those metals

What happens, when SO2 is passed through a solution of H2S in water?

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

Co-efficient of performance of a Carnot cycle refrigerator operating between - 23°C and + 27°C is

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

Age hardening is connected with

Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional to

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

Primary designation of steel is based on its

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What happens, when SO₂ is passed through a solution of H2S in water?

Heat flow across a hollow sphere of inner radius 'r₁' and outer radius 'r₂' is directly proportional to