Speisses is a mixture of the following:

Question

Speisses is a mixture of the following:

A. Arsenides of heavy metals

B. Antimonides of heavy metals

C. Arsenides & antimonides of heavy metals

D. Iron, cobalt and nickel

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During sensible cooling of air, its wet bulb temperature

A. Decreases but dew point remains constant

B. Increases but dew point remains constant

C. Increases & the dew point decreases

D. Decreases & the dew point increases

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Lead is poured into the joints between two __________ pipes.

A. Cast iron

B. Steel

C. Concrete

D. Plastic

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Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner?

A. Output & fineness

B. Velocity

C. Both (A) & (B)

D. None of these

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Wood is a/an __________ material.

A. Amorphous

B. Cellular

C. Homogeneous

D. Granular

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In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

A. Jet of water at high pressure

B. Blast of air

C. Mixture of water and air

D. Rain of molten lead

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While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

A. 0.25

B. 0.45

C. 0.70

D. 0.95

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Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans?

A. Emissivity of pipe surface

B. Diameter & length of the pipe

C. Temperature of hot pipe surface & that of air in the room

D. None of these

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

A. Freeze drying

B. Solar evaporation

C. Electrolytic

D. None of these

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Maximum permissible air velocity in pipelines is about __________ metre/second.

A. 5

B. 10

C. 20

D. 40

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The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

A. 768

B. 908

C. 1400

D. 1539

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Titanium is added to molten aluminium alloys before casting for the purpose of

A. Grain refinement

B. Increasing corrosion resistance

C. Reducing porosity

D. Improving fluidity

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Powder metallurgy technique is used in the production of __________ tools.

A. Tungsten carbide

B. High carbon steel

C. High speed steel

D. Drilling

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High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

A. 5 to 10

B. 15 to 25

C. 45 to 50

D. 75 to 80

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

A. Rain

B. Cold wave

C. Storm

D. Fair weather

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Vernier calipers cannot be used to measure the

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

B. Thickness of parts

C. Depth of holes

D. Clearance between two mating surfaces

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Hot extrusion process is not used for making

A. Cast iron pipe for domestic water supply

B. Aluminium curtain rods

C. Stainless steel tubes used in furnitures

D. Any of these

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

A. Ductility

B. Semi-conductivity

C. Melting point

D. Yield stress

Discuss this answer

Pick out the correct statement.

A. Hot worked materials are subjected to annealing to remove internal stresses

B. Annealing of steel hardens it slightly

C. Normalising of a material induces stresses

D. Tempering of a material improves ductility & toughness but reduces hardness & brittleness

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The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

A. 3

B. 7

C. 11

D. 15

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Lead pencil contains

A. Graphite

B. Lead sulphide

C. Lead

D. Both (B) & (C)

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Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

A. 20

B. 200

C. 500

D. 2000

Discuss this answer

__________ test is the appropriate test to determine whether a material is ductile or brittle.

A. Impact

B. Cupping

C. Hardness

D. Tensile

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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.

A. Evaporative capacity

B. Evaporation efficiency

C. Thermal efficiency

D. Steam load

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In a good rimming steel

A. Carbon and silicon should be low

B. Silicon should be low but carbon should be high

C. Both silicon & carbon should be high

D. Silicon should be high but carbon should be low

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Which of the following forces does not act on a fluid at rest?

A. Viscous force

B. Gravity force

C. Hydrostatic force

D. Surface tension force

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For an ideal gas, C_p - C_v is

A. R

B. -R

C. 0

D. (3/2) R

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Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

A. Retained austenite

B. Martensite formation

C. Relatively high sulphur content in the base metal

D. Sufficient hydrogen present in the welding arc

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Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

A. Length of the pipe

B. Diameter of the pipe

C. Density of the fluid

D. Velocity of the fluid

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

A. Mach

B. Froude

C. Reynolds

D. Euler

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Upto the critical radius of insulation, added insulation, will

A. Increase the heat loss

B. Decrease heat loss and will have no effect beyond that

C. Decrease heat flux

D. Reduce convection heat loss compared to conduction heat less

Discuss this answer

Accepted Answer

A. Arsenides of heavy metals

Speisses is a mixture of the following:

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

During sensible cooling of air, its wet bulb temperature

Lead is poured into the joints between two __________ pipes.

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner?

Wood is a/an __________ material.

In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans?

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

Maximum permissible air velocity in pipelines is about __________ metre/second.

The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

Titanium is added to molten aluminium alloys before casting for the purpose of

Powder metallurgy technique is used in the production of __________ tools.

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

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

Vernier calipers cannot be used to measure the

Hot extrusion process is not used for making

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

Pick out the correct statement.

The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

Lead pencil contains

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

__________ test is the appropriate test to determine whether a material is ductile or brittle.

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

In a good rimming steel

Which of the following forces does not act on a fluid at rest?

For an ideal gas, C_p - C_v is

Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

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

Upto the critical radius of insulation, added insulation, will

Also checkout

Speisses is a mixture of the following:

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

During sensible cooling of air, its wet bulb temperature

Lead is poured into the joints between two __________ pipes.

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner?

Wood is a/an __________ material.

In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature).

Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans?

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

Maximum permissible air velocity in pipelines is about __________ metre/second.

The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

Titanium is added to molten aluminium alloys before casting for the purpose of

Powder metallurgy technique is used in the production of __________ tools.

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

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

Vernier calipers cannot be used to measure the

Hot extrusion process is not used for making

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

Pick out the correct statement.

The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

Lead pencil contains

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

__________ test is the appropriate test to determine whether a material is ductile or brittle.

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

In a good rimming steel

Which of the following forces does not act on a fluid at rest?

For an ideal gas, Cp - Cv is

Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

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

Upto the critical radius of insulation, added insulation, will

Also checkout

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

For an ideal gas, C_p - C_v is