'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Question

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

A. Petrol

B. LPG

Correct Answer :

A. Petrol

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The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then

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The unit of gc is

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Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?

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Dies for wire drawing are generally made of

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Damage to metal surface by mechanical action is called

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The normal stress is the same in all directions at a point in a fluid, only when the fluid

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Which of the following are considered applications of ultrasonic testing?

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Primary designation of steel is based on its

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Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

A.

B.

C.

D.

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The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

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The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.

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__________ is not a case hardening process.

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

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Magnetic permeability of iron is increased by its

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Materials having __________ lattice structure are usually the most ductile.

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The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

Discuss this answer

Material of construction of foundry crucible is

A. Lead

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Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

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Induced draft fans provided in large thermal power plant boilers have __________ blades.

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Ganister contains maximum percentage of

A. FeO

B. SiO2

C. MgO

D. MnO2

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Matte smelting is used in the extraction of

A. Lead

B. Zinc

D. Copper

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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.

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Which of the following is the most wear resistant grade of carbide used for the cutting tools?

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Diffusion co-efficient of a metal in a solid solution depends upon its

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Sudden fall of atmospheric pressure by a large amount is an indication of the

A. Rain

C. Storm

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Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:

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Function of fusible plug in a boiler is to

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Fire refining process is employed in case of

A. Tin

B. Copper

C. Zinc

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Force between the molecules of the same substance is called __________ force.

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__________ of austenite decreases the hardenability in steel.

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Answer 1

C. Light hydrocarbon gases (e.g. butane or propane)

Answer 2

D. None of these

Answer 3

A. Wet bulb temperature=dry bulb temperature

Answer 4

B. Wet bulb temperature=dew point temperature

Answer 5

C. Saturation temperature=dew point temperature

Answer 6

D. All 'a', 'b' & 'c'

Answer 7

A. lb_m/lb_f. ft/sec²

Answer 8

B. lb_f/lb_m. ft/sec²

Answer 9

C. ft/sec²

Answer 10

D. lb_m/lb_f. sec²/ft

Answer 11

A. Cresylic acid

Answer 12

B. Xanthaies

Answer 13

C. Pine oil

Answer 14

D. All 'a' 'b' & 'c'

Answer 15

A. Mild steel

Answer 16

B. Stainless steel

Answer 17

C. Carbides

Answer 18

D. High carbon steel

Answer 19

A. Pitting

Answer 20

B. Corrosion

Answer 21

C. Erosion

Answer 22

D. None of these

Answer 23

A. Is at rest & has zero viscosity

Answer 24

B. Is frictionless

Answer 25

C. Fluid layer has no motion relative to an adjacent layer of fluid

Answer 26

D. is incompressible & frictionless

Answer 27

A. Determination of elastic constant

Answer 28

B. Detection of defects in metal

Answer 29

C. Measurement of material thickness

Answer 30

D. None of the above

Answer 31

A. Hardness & tensile strength

Answer 32

B. Carbon content

Answer 33

C. Iron content

Answer 34

D. Alloying elements content

Answer 35

A. 3171P_a

Answer 36

B. 3567P_a

Answer 37

C. 1.01 × 10⁵P_a

Answer 38

D. 5000P_a

Answer 39

A. Equal to

Answer 40

B. Greater than

Answer 41

C. Less than

Answer 42

D. Either (A), (B) or (C); depends on the size of atom

Answer 43

A. Carburising

Answer 44

B. Nitriding

Answer 45

C. Cyaniding

Answer 46

D. Annealing

Answer 47

A. Immobility of dislocation

Answer 48

B. Strain-ageing

Answer 49

C. Increase in Young's modulus

Answer 50

D. Strain hardening

Answer 51

A. Decarburising

Answer 52

B. Alloying with cobalt

Answer 53

C. Purification

Answer 54

D. Alternate heating & cooling

Answer 55

A. Body centred cubic (bcc)

Answer 56

B. Hexagonal close packed (hcp)

Answer 57

C. Face centred cubic (fcc)

Answer 58

D. None of these

Answer 59

A. T₁/(T₁-T₂)

Answer 60

B. T₂/(T₁-T₂)

Answer 61

C. T₁/T₂

Answer 62

D. T₂/T₁

Answer 63

B. Stainless steel

Answer 64

C. Graphite

Answer 65

D. Cast iron

Answer 66

A. High speed steel

Answer 67

B. Stainless steel

Answer 68

C. Tungsten carbide

Answer 69

D. Superalloys

Answer 70

A. Forward curved

Answer 71

B. Backward curved

Answer 72

C. Double curved

Answer 73

D. Radial or straight

Answer 74

C. Aluminium

Answer 75

A. Evaporative capacity

Answer 76

B. Evaporation efficiency

Answer 77

C. Thermal efficiency

Answer 78

D. Steam load

Answer 79

A. Aluminium carbide

Answer 80

B. Tungsten carbide

Answer 81

C. Nickel carbide

Answer 82

D. Iron carbide

Answer 83

A. Composition

Answer 84

B. Temperature

Answer 85

C. Both (A) & (B)

Answer 86

D. Neither (A) nor (B)

Answer 87

B. Cold wave

Answer 88

D. Fair weather

Answer 89

A. Nickel, cobalt & chromium

Answer 90

B. Tungsten, chromium & cobalt

Answer 91

C. Manganese, chromium & cobalt

Answer 92

D. Tungsten, molybdenum & nickel

Answer 93

A. Drain out water and sludge from the boiler during repair

Answer 94

B. Put off fire in the furnace when water level in the boiler falls to unsafe limit

Answer 95

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

Answer 96

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

Answer 97

D. Aluminium

Answer 98

A. Adhesive

Answer 99

B. Cohesive

Answer 100

C. Molecular

Answer 101

D. Vander Walls

Answer 102

A. Fine grains

Answer 103

B. Coarse grains

Answer 104

C. Homogeneity

Answer 105

D. Dissolved elements (except cobalt)

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then

The unit of gc is

Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?

Dies for wire drawing are generally made of

Damage to metal surface by mechanical action is called

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Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.

__________ is not a case hardening process.

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

Magnetic permeability of iron is increased by its

Materials having __________ lattice structure are usually the most ductile.

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

Material of construction of foundry crucible is

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Ganister contains maximum percentage of

Matte smelting is used in the extraction of

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

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Diffusion co-efficient of a metal in a solid solution depends upon its

Sudden fall of atmospheric pressure by a large amount is an indication of the

Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:

Function of fusible plug in a boiler is to

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Force between the molecules of the same substance is called __________ force.

__________ of austenite decreases the hardenability in steel.

Also checkout

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then

The unit of gc is

Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?

Dies for wire drawing are generally made of

Damage to metal surface by mechanical action is called

The normal stress is the same in all directions at a point in a fluid, only when the fluid

Which of the following are considered applications of ultrasonic testing?

Primary designation of steel is based on its

Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.

__________ is not a case hardening process.

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

Magnetic permeability of iron is increased by its

Materials having __________ lattice structure are usually the most ductile.

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 - T2)/T1. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T1 and T2 is given by

Material of construction of foundry crucible is

Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Ganister contains maximum percentage of

Matte smelting is used in the extraction of

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

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Diffusion co-efficient of a metal in a solid solution depends upon its

Sudden fall of atmospheric pressure by a large amount is an indication of the

Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are:

Function of fusible plug in a boiler is to

Fire refining process is employed in case of

Force between the molecules of the same substance is called __________ force.

__________ of austenite decreases the hardenability in steel.

Also checkout

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?