Which of the following metals is not subjected to electrolytic refining/purification?

Question

Which of the following metals is not subjected to electrolytic refining/purification?

A. Copper

B. Zinc

C. Tin

Correct Answer :

C. Tin

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__________ cannot increase the fatigue strength of a material.

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At the point of boundary layer separation in fluid flow, the

Discuss this answer

__________ are normally subjected to sub-zero treatment.

Discuss this answer

Batch process is preferred over continuous process, when the

Discuss this answer

The swift cup test evaluates the following property of a sheet metal.

Discuss this answer

Corrosion is

Discuss this answer

Biological shield in a nuclear reactor is generally provided to protect against the

Discuss this answer

The starting of a car takes time in winter, because the

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Titanium is produced by __________ of Ti Cl₄.

Discuss this answer

Neutrons are present in all atoms except that of

A. He

B. C

C. H

D. Ar

Discuss this answer

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

A. Petrol

B. LPG

Discuss this answer

Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

Discuss this answer

The most abundant metal present in the earth's crust is;

A. Iron

B. Copper

Discuss this answer

Screws are specified by their __________ diameters.

A. Minor

B. Major

C. Pitch

Discuss this answer

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

A. 15

B. 25

C. 10

D. 30

Discuss this answer

Heat required to raise the temperature of a body by 1 °C is called its

Discuss this answer

Out of the following the refractive index is the highest for

A. Glass

C. Brine

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The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

Discuss this answer

Fire in fuel gas pipelines is extinguished most effectively by

Discuss this answer

Magnesium is present in

Discuss this answer

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

A. Creep

Discuss this answer

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

A.

B.

C.

D.

Discuss this answer

Oxygen cylinders used for autogenous (cutting/welding) purposes are

Discuss this answer

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

Discuss this answer

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

A. Less

B. More

C. Equal

Discuss this answer

In multipass welds, shot peening is done after each pass to

Discuss this answer

__________ can replace tungsten in high speed steel.

C. Cobalt

Discuss this answer

Which of the following materials does not form adherent oxide film on surface?

A. Copper

B. Nickel

Discuss this answer

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

Discuss this answer

About __________ ton of coke is required in a cupola to produce one ton of casting.

A. 0.03

B. 0.3

C. 0.8

D. 1.5

Discuss this answer

Answer 1

D. Aluminium

Answer 2

A. Grain refining

Answer 3

B. Grain coarsening

Answer 4

C. Surface hardening

Answer 5

D. Shot peening

Answer 6

A. Shear stress is maximum

Answer 7

B. Velocity gradient is flat

Answer 8

C. Density variation is maximum

Answer 9

D. Shear stress is zero

Answer 10

A. Highly stressed parts

Answer 11

B. Gauges or precision parts

Answer 12

C. Cold rolled sheets

Answer 13

D. Non machinable materials

Answer 14

A. Product yields and quality cannot be achieved in continuous process, because of long residence time

Answer 15

B. Sales demand of product is not steady

Answer 16

C. Same equipment cannot be used for several processes of the same nature

Answer 17

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

Answer 18

A. Stretchability

Answer 19

B. Drawability

Answer 20

C. Bendability

Answer 21

D. None of these

Answer 22

A. A physical phenomenon

Answer 23

B. A chemical phenomenon

Answer 24

C. Same as erosion

Answer 25

D. An uncontrollable phenomenon

Answer 26

A. α-rays

Answer 27

B. β-rays

Answer 28

C. Gamma rays & neutrons

Answer 29

D. Electrons

Answer 30

A. Octane number of fuel is decreased

Answer 31

B. Fuel supply for ignition is not sufficient

Answer 32

C. Vaporisation of the fuel is decreased

Answer 33

D. Pour point of fuel decreases

Answer 34

A. Electrolytic reduction

Answer 35

B. Calcium reduction

Answer 36

C. Magnesium reduction

Answer 37

D. Thermal dissociation

Answer 38

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

Answer 39

D. None of these

Answer 40

A. Nitrate

Answer 41

B. Sulphate

Answer 42

C. Carbonate

Answer 43

D. Chloride

Answer 44

C. Titanium

Answer 45

D. Aluminium

Answer 46

D. None of these

Answer 47

A. Heat capacity

Answer 48

B. Specific heat capacity

Answer 49

C. Thermal conductivity

Answer 50

D. Water equivalent

Answer 51

B. Diamond

Answer 52

D. Kerosene

Answer 53

A. 60 - 100

Answer 54

B. 400 - 700

Answer 55

C. 1200 -1500

Answer 56

D. 2000 - 2300

Answer 57

A. Spraying water

Answer 58

B. Blanketting the area with nitrogen atmosphere

Answer 59

C. Fire fighting foam

Answer 60

D. None of these

Answer 61

A. Haemoglobin

Answer 62

B. Chlorophyll

Answer 63

C. Hypo solution

Answer 64

D. None of these

Answer 65

B. Fatigue

Answer 66

C. Endurance

Answer 67

D. Tensile

Answer 68

A. Seamless & made of steel

Answer 69

B. Heat treated before use

Answer 70

C. Made by sand casting

Answer 71

D. Welded steel cylinders

Answer 72

A. Critical point

Answer 73

B. Curie temperature

Answer 74

C. Inversion temperature

Answer 75

D. Eutectic temperature

Answer 76

D. Unpredictable

Answer 77

A. Close the surface porosity

Answer 78

B. Break the continuity of columnar grains

Answer 79

C. Flatten the weldment

Answer 80

D. Introduce texture in the weld

Answer 81

A. Chromium

Answer 82

B. Vanadium

Answer 83

D. Molybdenum

Answer 84

C. Aluminium

Answer 85

D. Gold & silver

Answer 86

A. Grashoff number

Answer 87

B. Grashoff number & Reynolds number

Answer 88

C. Reynolds number

Answer 89

D. Grashoff number & Prandtl number

Which of the following metals is not subjected to electrolytic refining/purification?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

__________ cannot increase the fatigue strength of a material.

At the point of boundary layer separation in fluid flow, the

__________ are normally subjected to sub-zero treatment.

Batch process is preferred over continuous process, when the

The swift cup test evaluates the following property of a sheet metal.

Corrosion is

Biological shield in a nuclear reactor is generally provided to protect against the

The starting of a car takes time in winter, because the

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Neutrons are present in all atoms except that of

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Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

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Out of the following the refractive index is the highest for

The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

Fire in fuel gas pipelines is extinguished most effectively by

Magnesium is present in

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

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

Oxygen cylinders used for autogenous (cutting/welding) purposes are

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

In multipass welds, shot peening is done after each pass to

__________ can replace tungsten in high speed steel.

Which of the following materials does not form adherent oxide film on surface?

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

About __________ ton of coke is required in a cupola to produce one ton of casting.

Also checkout

Which of the following metals is not subjected to electrolytic refining/purification?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

__________ cannot increase the fatigue strength of a material.

At the point of boundary layer separation in fluid flow, the

__________ are normally subjected to sub-zero treatment.

Batch process is preferred over continuous process, when the

The swift cup test evaluates the following property of a sheet metal.

Corrosion is

Biological shield in a nuclear reactor is generally provided to protect against the

The starting of a car takes time in winter, because the

Titanium is produced by __________ of Ti Cl4.

Neutrons are present in all atoms except that of

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

Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

The most abundant metal present in the earth's crust is;

Screws are specified by their __________ diameters.

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is __________ mm.

Heat required to raise the temperature of a body by 1 °C is called its

Out of the following the refractive index is the highest for

The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

Fire in fuel gas pipelines is extinguished most effectively by

Magnesium is present in

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

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

Oxygen cylinders used for autogenous (cutting/welding) purposes are

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

In multipass welds, shot peening is done after each pass to

__________ can replace tungsten in high speed steel.

Which of the following materials does not form adherent oxide film on surface?

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

About __________ ton of coke is required in a cupola to produce one ton of casting.

Also checkout

Titanium is produced by __________ of Ti Cl₄.

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.