Iron content in Indian iron ore is about __________ percent.

Question

Iron content in Indian iron ore is about __________ percent.

A. 80-85

B. 60-65

C. 40-45

D. 20-25

Correct Answer :

B. 60-65

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Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

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Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

A. Mach

B. Froude

D. Euler

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__________ is the most suitable lubricant for drawing mild steel wires?

B. Water

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For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

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

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Drills are usually made of

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Vernier calipers cannot be used to measure the

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Brazing is the joining of metals

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__________ cannot increase the fatigue strength of a material.

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The product out from a cupola is called

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The unit of gc is

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Increasing the carbon content of steel

Discuss this answer

Pick out the wrong statement.

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

A. Bolt

B. Stud

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Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.

A. Slip

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With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

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

A. Brass

C. Copper

D. Lead

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Case hardening is not done by

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Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)

A. H

B. H/2

C. H/4

D. H/6

Discuss this answer

Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

Discuss this answer

Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.

A. Joule

B. Carnot

Discuss this answer

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

Discuss this answer

Which of the following does not discharge the dust collected as a dry solid?

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

Discuss this answer

Triple point of water is

A. 0°F

B. 492°R

C. 0°K

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Which of the following has the highest value of refractive index?

D. Glass

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Often earing defects are found during deep drawing operation, because the

Discuss this answer

Desalination of water

Discuss this answer

Diamagnetic materials

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Which of the following is an example of cathodic protection of metals against corrosion?

Discuss this answer

Answer 1

A. Malleable iron

Answer 2

B. Grey cast iron

Answer 3

C. Chilled cast iron

Answer 4

D. White cast iron

Answer 5

C. Reynolds

Answer 6

A. Kerosene

Answer 7

C. Sodium stearate

Answer 8

D. Lime water

Answer 9

A. Linearly

Answer 10

B. Exponentially

Answer 11

C. Logarithmically

Answer 12

D. Inversely

Answer 13

A. Chromatography

Answer 14

B. Evaporation

Answer 15

C. Filtration

Answer 16

D. Fractional distillation

Answer 17

A. Cermets

Answer 18

B. High speed steel

Answer 19

C. Alloy steel

Answer 20

D. Tungsten carbide

Answer 21

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

Answer 22

B. Thickness of parts

Answer 23

C. Depth of holes

Answer 24

D. Clearance between two mating surfaces

Answer 25

A. Without melting the base metal

Answer 26

B. With a non-ferrous filler

Answer 27

C. Both (A) & (B)

Answer 28

D. Neither (A) nor (B)

Answer 29

A. Grain refining

Answer 30

B. Grain coarsening

Answer 31

C. Surface hardening

Answer 32

D. Shot peening

Answer 33

A. Wrought iron

Answer 34

B. Pig iron

Answer 35

C. Cast iron

Answer 36

D. None of these

Answer 37

A. lb_m/lb_f. ft/sec²

Answer 38

B. lb_f/lb_m. ft/sec²

Answer 39

C. ft/sec²

Answer 40

D. lb_m/lb_f. sec²/ft

Answer 41

A. Reduces the upper shelf energy

Answer 42

B. Increasing the ductility transition temperature

Answer 43

C. Decreases brittleness

Answer 44

D. Decreases hardness

Answer 45

A. A soft magnetic material should have high permeability and small area of hysteresis loop

Answer 46

B. Poisson's ratio of high melting point metals is more than unity

Answer 47

C. Solders generally melt at less than 185°C

Answer 48

D. Steel produced by B.O.F process is ideally suited for manufacturing flat product

Answer 49

C. Set screw

Answer 50

D. Split nut

Answer 51

B. Fracture

Answer 52

C. Winning

Answer 53

D. Dislocation

Answer 54

A. Supercharging

Answer 55

B. Wall temperature

Answer 56

C. Compression ratio

Answer 57

D. Engine speed

Answer 58

B. Aluminium

Answer 59

A. Nitriding

Answer 60

B. Hot dipping

Answer 61

C. Electroplating

Answer 62

D. Both b & c

Answer 63

A. Achieve very high purity of aluminium (99.9%)

Answer 64

B. Keep the electrolyte in liquid condition by the generation of heat

Answer 65

C. Electrolytically dissociate alumina

Answer 66

D. Both (B) & (C)

Answer 67

C. Rankine

Answer 68

D. Brayton

Answer 69

D. 2.3 × 10⁶ J

Answer 70

A. Electrostatic precipitator

Answer 71

B. Wet scrubber

Answer 72

C. Bag filter

Answer 73

D. Gravity settling chamber

Answer 74

A. Aluminium carbide

Answer 75

B. Tungsten carbide

Answer 76

C. Nickel carbide

Answer 77

D. Iron carbide

Answer 78

D. -273°C

Answer 79

A. Brine (sea water)

Answer 80

B. Diamond

Answer 81

C. Distilled water

Answer 82

A. Surface finish of the sheet is poor

Answer 83

B. Sheet material has been given substantial spring back

Answer 84

C. Starting sheet has planer anisotropy due to its texture

Answer 85

D. Starting sheet has normal anisotropy due to its texture

Answer 86

A. Makes it potable

Answer 87

B. Makes it non-potable

Answer 88

C. Means distillation of water

Answer 89

D. None of these

Answer 90

A. Are magnetised by eddy currents only

Answer 91

B. Are non-magnetic and cannot be magnetised

Answer 92

C. Are magnetised in direction opposite to the magnetic field

Answer 93

D. Can be magnetised in one direction only

Answer 94

A. Painted steel

Answer 95

B. Galvanised iron

Answer 96

C. Case hardened steel

Answer 97

D. Lead lined reactor

Iron content in Indian iron ore is about __________ percent.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

__________ is the most suitable lubricant for drawing mild steel wires?

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

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

Drills are usually made of

Vernier calipers cannot be used to measure the

Brazing is the joining of metals

__________ cannot increase the fatigue strength of a material.

The product out from a cupola is called

The unit of gc is

Increasing the carbon content of steel

Pick out the wrong statement.

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

Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

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

Case hardening is not done by

Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)

Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.

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)

Which of the following does not discharge the dust collected as a dry solid?

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

Triple point of water is

Which of the following has the highest value of refractive index?

Often earing defects are found during deep drawing operation, because the

Desalination of water

Diamagnetic materials

Which of the following is an example of cathodic protection of metals against corrosion?

Also checkout

Iron content in Indian iron ore is about __________ percent.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

__________ is the most suitable lubricant for drawing mild steel wires?

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

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

Drills are usually made of

Vernier calipers cannot be used to measure the

Brazing is the joining of metals

__________ cannot increase the fatigue strength of a material.

The product out from a cupola is called

The unit of gc is

Increasing the carbon content of steel

Pick out the wrong statement.

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

Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

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

Case hardening is not done by

Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)

Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.

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)

Which of the following does not discharge the dust collected as a dry solid?

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

Triple point of water is

Which of the following has the highest value of refractive index?

Often earing defects are found during deep drawing operation, because the

Desalination of water

Diamagnetic materials

Which of the following is an example of cathodic protection of metals against corrosion?

Also checkout

Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is 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)