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

Question

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

A. More

B. Less

C. Same

Correct Answer :

B. Less

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Comment

In __________ process, there is an increase in entropy with no degradation of energy.

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Boiler draught of 10 mm water column is equivalent to

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Removal of non-condensable from steam or other vapour is termed as the __________ process.

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Methyl orange indicator turns

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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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Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

Discuss this answer

The underground well of a biogas plant is called the

D. Lagoon

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Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

A. Grey

B. Black

C. Opaque

D. White

Discuss this answer

As the fluid flow rate increases, the float of the Rotameter

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A dummy activity is used in PERT network to describe the

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Nitriding of a steel part does not increase its

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Age hardening is connected with

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The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Discuss this answer

Non-ferrous alloys used for making cutting tools need not have high

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Which of the following metals reacts violently with water?

B. Sodium

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Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

A.

B.

C.

D.

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The activity of pure hydrogen gas at 1000°C and 5 atm pressure

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The trace metal present in insulin is

A. Cu

B. Zn

C. Fe

D. Ni

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

C. Copper

D. Steel

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The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm.

A. 0.001

B. 0.01

C. 0.002

D. 0.02

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Common salt is produced from sea water in India generally by the __________ method.

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In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

Discuss this answer

Quartz is a __________ material.

Discuss this answer

Lead is poured into the joint between two- __________ pipes.

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Which of the following equipments is used for liquid dispersion?

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Good design of the casing of a centrifugal pump aims at minimising the

Discuss this answer

Blow off cock is provided in steam boiler to

Discuss this answer

Minimum number of members required to form a Public Limited Joint Stock Com-pany is

A. 7

B. 10

C. 12

D. 17

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Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails

Discuss this answer

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

Discuss this answer

Answer 1

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

Answer 2

A. Isothermal expansion

Answer 3

B. Isochoric heat addition

Answer 4

C. Polytropic expansion

Answer 5

D. Isobaric heat addition

Answer 6

A. 1 kgf/m²

Answer 7

B. 10 kgf/m²

Answer 8

C. 10 kgf/mm²

Answer 9

D. 1 kgf/mm²

Answer 10

A. Condensation

Answer 11

B. Deaeration

Answer 12

C. Scavenging

Answer 13

D. Exhaust

Answer 14

A. Orange yellow in alkaline medium

Answer 15

B. Orange yellow in acidic medium

Answer 16

C. Colourless in acidic medium

Answer 17

D. Colourless in basic medium

Answer 18

B. Endurance

Answer 19

C. Fatigue

Answer 20

D. None of these

Answer 21

A. Tensile strength

Answer 22

B. Compressive strength

Answer 23

C. Young's modulus

Answer 24

D. Thermal co-efficient of expansion

Answer 25

A. Septic tank

Answer 26

B. Oxidation well

Answer 27

C. Digestor

Answer 28

A. Rises in the tube

Answer 29

B. Rotates at higher speed

Answer 30

C. Rotates at lower speed

Answer 31

D. Drops down in the tube

Answer 32

A. Precedence relationship

Answer 33

B. Resource idleness

Answer 34

C. Resource restriction

Answer 35

D. Necessary time delay

Answer 36

A. Grain size

Answer 37

B. Fatigue limit

Answer 38

C. Surface hardness

Answer 39

D. Wear resistance

Answer 40

A. Babbitt metal

Answer 41

B. Gun metal

Answer 42

C. Stainless steel

Answer 43

D. Duralumin

Answer 44

A. Evaporative capacity

Answer 45

B. Evaporation efficiency

Answer 46

C. Thermal efficiency

Answer 47

D. Steam load

Answer 48

A. Abrasion resistance

Answer 49

B. Toughness

Answer 50

C. Red hardness

Answer 51

D. Cutting speed

Answer 52

A. Mercury

Answer 53

C. Calcium

Answer 54

D. Magnesium

Answer 55

A. Is always less than 1

Answer 56

B. Is always greater than 1

Answer 57

C. Can be 5

Answer 58

D. Depends on the choice of the standard state

Answer 59

A. Stainless steel

Answer 60

B. Graphite

Answer 61

A. Freeze drying

Answer 62

B. Solar evaporation

Answer 63

C. Electrolytic

Answer 64

D. None of these

Answer 65

A. t = 15 - 0.0065 h

Answer 66

B. t = 15 + 0.0065 h

Answer 67

C. t = 0.0035 h - 15

Answer 68

D. t = 15 - 0.0035 h

Answer 69

A. Diamagnetic

Answer 70

B. Ferromagnetic

Answer 71

C. Ferroelectric

Answer 72

D. Piezoelectric

Answer 73

A. Mild steel

Answer 74

B. Concrete

Answer 75

C. Cast iron

Answer 76

D. Asbestos cement

Answer 77

A. Packed column

Answer 78

B. Venturi scrubber

Answer 79

C. Bubble cap plate column

Answer 80

D. Wetted wall column

Answer 81

A. Cavitation

Answer 82

B. Frictional losses

Answer 83

C. Kinetic energy loss

Answer 84

D. Static head

Answer 85

A. Guard the boiler in case of abnormal rise in steam pressure

Answer 86

B. Drain out water and sludge during its repair

Answer 87

C. Regulate the supply of water in boiler

Answer 88

D. Put out the fire in the furnace when the water level in the boiler falls to unsafe limit

Answer 89

A. Below the yield point

Answer 90

B. Above the yield point

Answer 91

C. Below the elastic limit

Answer 92

D. At the elastic limit

Answer 93

A. 70 & 30

Answer 94

B. 30 & 70

Answer 95

C. 50 & 50

Answer 96

D. 90 & 10

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

In __________ process, there is an increase in entropy with no degradation of energy.

Boiler draught of 10 mm water column is equivalent to

Removal of non-condensable from steam or other vapour is termed as the __________ process.

Methyl orange indicator turns

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

Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

The underground well of a biogas plant is called the

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

As the fluid flow rate increases, the float of the Rotameter

A dummy activity is used in PERT network to describe the

Nitriding of a steel part does not increase its

Age hardening is connected with

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Non-ferrous alloys used for making cutting tools need not have high

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Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

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

The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of __________ mm.

Common salt is produced from sea water in India generally by the __________ method.

In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

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Lead is poured into the joint between two- __________ pipes.

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