Which of the following does not have a sharp melting point?

Question

Which of the following does not have a sharp melting point?

A. Thoria

B. Glass

C. Ice

Correct Answer :

B. Glass

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Comment

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

A. Lead

B. Glass

C. Mica

D. Silver

Discuss this answer

Aluminium is extracted from

C. Galena

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Which of the following properties of a solid is not dependent on crystal imperfection?

Discuss this answer

Pick out the wrong statement.

Discuss this answer

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

A. Nickel

Discuss this answer

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Discuss this answer

Stresses encountered in the metal forming processes are less than the __________ of the material.

Discuss this answer

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

Faraday's law of electrolysis is related to the

Discuss this answer

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

Discuss this answer

The most suitable material for die casting is

A. Iron

B. Copper

C. Steel

D. Nickel

Discuss this answer

Babbitt lining is used on brass/bronze bearings to increase the

Discuss this answer

In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C.

A. 20

B. 60

C. 120

D. ∞

Discuss this answer

Galvanic corrosion cannot be prevented by

Discuss this answer

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A. Same

Discuss this answer

A dense structure of grinding wheel is not used for the

Discuss this answer

For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be

Discuss this answer

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

A. 5-10

Discuss this answer

__________ stress cannot be sustained by a fluid in equilibrium.

A. Shear

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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

Chlorine acts as a bleaching agent only in the presence of

Discuss this answer

Water hammer is caused in steam carrying pipelines, because of

Discuss this answer

A jet engine turbine blade is normally manufactured by

Discuss this answer

Pressure required to increase the density of water by about 1% is __________ atmosphere.

A. 10

B. 50

C. 200

D. 1000

Discuss this answer

The material used for coating the welding electrode is termed as the

A. Flux

B. Slag

D. Binder

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Which of the following is an acidic constituent of B.F. slag?

A.

B. FeO

C. MgO

D. CaO

Discuss this answer

An atom bomb works on the principle of

Discuss this answer

Propulsion of rocket follows from the

Discuss this answer

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

Discuss this answer

Yield strength of a polycrystalline metal with an average grain size d, is proportional to

A. d^1/2

B. d^-1/2

C. d

D. d^-1

Discuss this answer

Answer 1

D. Pig iron

Answer 2

A. Chalcocite

Answer 3

B. Bauxite

Answer 4

D. None of these

Answer 5

A. Ductility

Answer 6

B. Semi-conductivity

Answer 7

C. Melting point

Answer 8

D. Yield stress

Answer 9

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

Answer 10

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

Answer 11

C. Most of the hydrocarbons are non-polar

Answer 12

D. None of these

Answer 13

B. Vanadium

Answer 14

C. Molybdenum

Answer 15

D. Chromium

Answer 16

A. 9.5 : 1

Answer 17

B. 12.5 : 1

Answer 18

C. 15.5 : 1

Answer 19

D. 18.5 : 1

Answer 20

A. Fracture strength

Answer 21

B. Yield strength

Answer 22

C. Elastic limit

Answer 23

D. Limit of proportionality

Answer 24

A. Cation speed

Answer 25

B. Atomic number of the cation

Answer 26

C. Equivalent mass of the electrolyte

Answer 27

D. None of these

Answer 28

A. Electrostatic precipitator

Answer 29

B. Wet scrubber

Answer 30

C. Bag filter

Answer 31

D. Gravity settling chamber

Answer 32

A. Antifriction properties

Answer 33

B. Compressive strength

Answer 34

C. Bearing resistance

Answer 35

D. Wear resistance

Answer 36

A. Cathodic protection

Answer 37

B. Anodic protection

Answer 38

C. Usage of largest possible anodic area

Answer 39

D. Any one of these

Answer 40

B. Slightly less

Answer 41

C. Slightly more

Answer 42

D. Much more

Answer 43

A. Ductile material

Answer 44

B. Hard materials

Answer 45

C. Brittle materials

Answer 46

D. Finishing cuts

Answer 47

A. 100% indirect reduction

Answer 48

B. 100% direct reduction

Answer 49

C. 50-60% indirect reduction

Answer 50

D. 30-40% indirect reduction

Answer 51

B. 1000-1500

Answer 52

C. 120-500

Answer 53

D. 1500-3000

Answer 54

B. Tensile

Answer 55

C. Compressive

Answer 56

D. None of these

Answer 57

A. Dry air

Answer 58

B. Pure oxygen

Answer 59

C. Moisture

Answer 60

D. Sunlight

Answer 61

A. Partial condensation of steam

Answer 62

B. Vibration of the pipeline

Answer 63

C. High degree of superheat of steam

Answer 64

D. Its exposure to torrential rain

Answer 65

A. Forging

Answer 66

B. Shell moulding

Answer 67

C. Investment casting

Answer 68

D. Pressure die casting

Answer 69

C. Protective layer

Answer 70

A. Nuclear fission

Answer 71

B. Nuclear fusion

Answer 72

C. Both the nuclear fission & fusion

Answer 73

D. Ionisation

Answer 74

A. Newton's second law of motion

Answer 75

B. Newton's third law of motion

Answer 76

C. Law of projectiles

Answer 77

D. Archimedes principle

Which of the following does not have a sharp melting point?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

Aluminium is extracted from

Which of the following properties of a solid is not dependent on crystal imperfection?

Pick out the wrong statement.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Stresses encountered in the metal forming processes are less than the __________ of the material.

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

Faraday's law of electrolysis is related to the

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

The most suitable material for die casting is

Babbitt lining is used on brass/bronze bearings to increase the

In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C.

Galvanic corrosion cannot be prevented by

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A dense structure of grinding wheel is not used for the

For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

__________ stress cannot be sustained by a fluid in equilibrium.

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

Chlorine acts as a bleaching agent only in the presence of

Water hammer is caused in steam carrying pipelines, because of

A jet engine turbine blade is normally manufactured by

Pressure required to increase the density of water by about 1% is __________ atmosphere.

The material used for coating the welding electrode is termed as the

Which of the following is an acidic constituent of B.F. slag?

An atom bomb works on the principle of

Propulsion of rocket follows from the

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

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Also checkout

Which of the following does not have a sharp melting point?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

Aluminium is extracted from

Which of the following properties of a solid is not dependent on crystal imperfection?

Pick out the wrong statement.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Stresses encountered in the metal forming processes are less than the __________ of the material.

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

Faraday's law of electrolysis is related to the

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

The most suitable material for die casting is

Babbitt lining is used on brass/bronze bearings to increase the

In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C.

Galvanic corrosion cannot be prevented by

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A dense structure of grinding wheel is not used for the

For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

__________ stress cannot be sustained by a fluid in equilibrium.

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

Chlorine acts as a bleaching agent only in the presence of

Water hammer is caused in steam carrying pipelines, because of

A jet engine turbine blade is normally manufactured by

Pressure required to increase the density of water by about 1% is __________ atmosphere.

The material used for coating the welding electrode is termed as the

Which of the following is an acidic constituent of B.F. slag?

An atom bomb works on the principle of

Propulsion of rocket follows from the

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

Yield strength of a polycrystalline metal with an average grain size d, is proportional to

Also checkout

For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be