'Ice point' is designated on Fahrenheit temperature scale by

Question

'Ice point' is designated on Fahrenheit temperature scale by

A. 0°

B. 32°

C. 62°

D. 212°

Correct Answer :

B. 32°

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Plants produce carbohydrates from the CO2 present in the atmosphere by

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The most detrimental impurity in high pressure boiler feed water is

C. Silica

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Unbreakable crockeries are made from __________ polymers.

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The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

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Preheating before welding is done to

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Which one is neutral in character?

B. N₂O

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Pick out the wrong statement

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Which of the, following is not associated with the functioning of a petrol engine?

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Earing is a defect found in steels after the following metal working operation.

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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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To counteract the bad effects of strain hardening on a cold formed part, it must be

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A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

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Powder metallurgy technique is used in the production of __________ tools.

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Uniform ramming of sand in green sand moulding process leads to

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Age hardening is connected with

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Electrometallurgical methods of metal extraction is normally used for those metals

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The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A. 2300 J

B. 4600 J

C. 230 J

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

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One of the methods of purification of leach liquor is ion exchange, which involves

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A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm².

A. 6

B. 18

C. 38

D. 52

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Hot working of lead is carried out at

A. 75°C

B. 373°K

C. 150°C

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Water flow in the river during flood can be categorised as the __________ flow.

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Between 230 and 370°C, blue brittleness is caused in mild steel because of the

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Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

A. Copper

B. Steel

D. Brass

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Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

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Pick out the wrong statement.

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Cold heading or upsetting is categorised as the __________ process.

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Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

A. 300

B. 800

C. 1400

D. 2000

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Colour comparator is used to measure the

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Answer 1

A. Polymerisation

Answer 2

B. Photochemical reaction

Answer 3

C. Oxidation

Answer 4

D. None of these

Answer 5

A. Suspended salt

Answer 6

B. Dissolved salt

Answer 7

D. Turbidity

Answer 8

A. Polystyrene

Answer 9

B. Melamine

Answer 10

C. Polystyrene

Answer 11

D. Polyurethane

Answer 12

A. 7 and 30

Answer 13

B. 10 and 50

Answer 14

C. 2 and 50

Answer 15

D. 13 and 55

Answer 16

A. Make the plate softer

Answer 17

B. Burn oil & grease sticking to plate surfaces

Answer 18

C. Avoid plate distortion

Answer 19

D. Prevent cold cracks

Answer 20

A. N₂O₄

Answer 21

C. N₂O₅

Answer 22

D. N₂O₃

Answer 23

A. (r₂ - r₁)/r₁. r₂

Answer 24

B. r₁. r₂/(r₂- r₁)

Answer 25

C. (r₂ + r₁)/r₁. r₂

Answer 26

D. r₁. r₂/(r₂ + r₁)

Answer 27

A. Processing of thermosetting plastics is ideally done by injection moulding

Answer 28

B. Processing of thermoplastics is ideally done by compression moulding

Answer 29

C. Mass production of seamless pipes are done by electrical resistance welding (ERW)

Answer 30

D. Stretch forming is a process of cold drawing

Answer 31

A. Compression ignition system

Answer 32

B. Spark plug

Answer 33

C. Carburettor

Answer 34

D. Otto cycle

Answer 35

A. Extrusion

Answer 36

B. Rolling

Answer 37

C. Deep drawing

Answer 38

D. Wire drawing

Answer 39

B. Endurance

Answer 40

C. Fatigue

Answer 41

D. None of these

Answer 42

A. Tempered

Answer 43

B. Normalised

Answer 44

C. Annealed

Answer 45

D. Hardened

Answer 46

A. Increase

Answer 47

B. Decrease

Answer 48

C. Remain unaffected

Answer 49

D. May increase or decrease; depends on the thickness of each layer

Answer 50

A. Tungsten carbide

Answer 51

B. High carbon steel

Answer 52

C. High speed steel

Answer 53

D. Drilling

Answer 54

A. Reduced chance of gas porosity

Answer 55

B. Greater dimensional stability of the casting

Answer 56

C. Uniform flow of molten metal into the mould cavity

Answer 57

D. Less sand expansion type of casting defect

Answer 58

A. Babbitt metal

Answer 59

B. Gun metal

Answer 60

C. Stainless steel

Answer 61

D. Duralumin

Answer 62

A. Whose oxide/ore is not reduced by carbon

Answer 63

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

Answer 64

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

Answer 65

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

Answer 66

D. 2.3 × 10⁶ J

Answer 67

A. White metal

Answer 68

B. Gun metal

Answer 69

C. Duralumin

Answer 70

D. Constantan

Answer 71

A. Exchange between two liquid phases

Answer 72

B. Exchange between a gaseous phase and a liquid phase

Answer 73

C. Exchange between a liquid phase and an organic resin phase

Answer 74

D. Exchange between a solid phase and a gas phase

Answer 75

D. Room temperature

Answer 76

A. Unsteady uniform

Answer 77

B. Unsteady non-uniform

Answer 78

C. Steady uniform

Answer 79

D. Steady non-uniform

Answer 80

A. Immobility of dislocation

Answer 81

B. Strain-ageing

Answer 82

C. Increase in Young's modulus

Answer 83

D. Strain hardening

Answer 84

C. Aluminium

Answer 85

A. Manganese

Answer 86

B. Phosphorous

Answer 87

C. Magnesium

Answer 88

D. Chromium

Answer 89

A. Molecules with symmetrical arrangements (e.g. CH₄ or CCl₄) are non-polar

Answer 90

B. Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise

Answer 91

C. Most of the hydrocarbons are non-polar

Answer 92

D. None of these

Answer 93

A. Extrusion

Answer 94

B. Bending

Answer 95

C. Rolling

Answer 96

D. Forging

Answer 97

A. pH value

Answer 98

B. Electrode potential

Answer 99

C. Colour intensity

Answer 100

D. None of these

'Ice point' is designated on Fahrenheit temperature scale by

Correct Answer :

Show all Chemical Engineering Basics MCQ

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Plants produce carbohydrates from the CO2 present in the atmosphere by

The most detrimental impurity in high pressure boiler feed water is

Unbreakable crockeries are made from __________ polymers.

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Pick out the wrong statement

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Also checkout

'Ice point' is designated on Fahrenheit temperature scale by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Plants produce carbohydrates from the CO2 present in the atmosphere by

The most detrimental impurity in high pressure boiler feed water is

Unbreakable crockeries are made from __________ polymers.

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

Preheating before welding is done to

Which one is neutral in character?

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

Pick out the wrong statement

Which of the, following is not associated with the functioning of a petrol engine?

Earing is a defect found in steels after the following metal working operation.

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

To counteract the bad effects of strain hardening on a cold formed part, it must be

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

Powder metallurgy technique is used in the production of __________ tools.

Uniform ramming of sand in green sand moulding process leads to

Age hardening is connected with

Electrometallurgical methods of metal extraction is normally used for those metals

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1)

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

One of the methods of purification of leach liquor is ion exchange, which involves

A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.

Hot working of lead is carried out at

Water flow in the river during flood can be categorised as the __________ flow.

Between 230 and 370°C, blue brittleness is caused in mild steel because of the

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Pick out the wrong statement.

Cold heading or upsetting is categorised as the __________ process.

Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

Colour comparator is used to measure the

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

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm².