The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

Question

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

A. Equivalent weight

B. (Equivalent weight)²

C. Molecular weight

D. (Molecular weight)²

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Boiling point of water gets lowered at high altitudes (e.g., hills), because

A. Temperature is low

B. Atmospheric pressure is low

C. Atmospheric pressure is high

D. None of these

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Which of the following heat treatment processes is usually applied to castings?

A. Tempering

B. Annealing

C. Normalising

D. Carburising

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

A. Kerosene

B. Water

C. Sodium stearate

D. Lime water

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Projection welding & stud welding is categorised as the __________ welding.

A. Pressure

B. Thermit

C. Resistance

D. Arc

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

A. Surface finish of the sheet is poor

B. Sheet material has been given substantial spring back

C. Starting sheet has planer anisotropy due to its texture

D. Starting sheet has normal anisotropy due to its texture

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Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

A. Piercing

B. Spinning

C. Drawing

D. Extrusion

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Friction factor for fluid flow in pipe does not depend upon the

A. Pipe length

B. Pipe roughness

C. Fluid density & viscosity

D. Mass flow rate of fluid

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Percentage of argon (by volume) in dry atmospheric air is about

A. 0.09

B. 0.3

C. 0.57

D. 0.94

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'Ice point' is designated on Fahrenheit temperature scale by

A. 0°

B. 32°

C. 62°

D. 212°

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The main charge in blast furnace is usually

A. Iron ore & coke

B. Iron ore, coke & air

C. Limestone, coke & iron ore

D. Limestone, sand & iron ore

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Gross national product (GNP) means the total value of __________ in a country.

A. Goods produced

B. Gold reserve

C. Earning of the citizens

D. Taxes paid

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The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

A. T

B. 1/T

C. T²

D. 1/T²

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

A. Creep

B. Fatigue

C. Endurance

D. Tensile

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A material being tested for endurance strength is subjected to the __________ load.

A. Impact

B. Completely reversed

C. Dynamic

D. Static & dynamic

Discuss this answer

Water hammer is caused in steam carrying pipelines, because of

A. Partial condensation of steam

B. Vibration of the pipeline

C. High degree of superheat of steam

D. Its exposure to torrential rain

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Corona discharge is related to the operation of a/an

A. Induction motor

B. Electrostatic precipitator

C. Fast breeder reactor

D. Magneto hydrodynamic generator (MHD)

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With decrease in the grain size of a material, its creep resistance

A. Increases

B. Decreases

C. Remain constant

D. Either (A) or (B); depends on the material

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For the irreversible reaction, C_a+ 2C = C_a C₂ , Δ H°298 = - 60000 J . mole_-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

A. 30,000 J

B. 60,000 J

C. 90,000 J

D. 2,40,000 J

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Identify the correct statement.

A. Sphlerite is zinc oxide

B. The first law of the thermodynamics is stated as δE = δQ - δW

C. Lead can be produced in a blast furnace

D. T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

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Function of fusible plug in a boiler is to

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

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

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

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

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__________ property of steel increases by addition of large amount of silicon in it.

A. Mechanical

B. Machining

C. Magnetic

D. Refractory

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Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A. V/A

B. V/A²

C. V²/A

D. V²/A²

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A jet engine turbine blade is normally manufactured by

A. Forging

B. Shell moulding

C. Investment casting

D. Pressure die casting

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Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

A. Pitot tube

B. Hot wire anemometer

C. Rotameter

D. Stroboscope

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Which of the following mainly decides the current to be employed is arc welding?

A. Electrode size

B. Plate thickness

C. Voltage across the arc

D. Welded portion length

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Stainless steel is welded using

A. Oxy-acetylene flame

B. Oxy-hydrogen flame

C. Arc welding

D. Inert gas arc welding

Discuss this answer

Exposure to __________ accelerates the degradation of plastics.

A. Ultraviolet radiation

B. High atmospheric temperature

C. High ambient temperature

D. Damp atmosphere

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Which of the following low melting alloy containing bismuth and lead is used for electric fuse?

A. Wood's metal

B. Babbitt metal

C. Monel metal

D. Duralumin

Discuss this answer

Which of the following pairs is not correctly matched?

A. Uranium - 233 : Fertile material

B. Binding energy : Mass defect

C. Scattering: Absorption cross-section

D. Number of nucleons : Mass number

Discuss this answer

Adhesives

A. Cant be used in the form of pressure sensitive tapes

B. Cant join two dissimilar metals

C. Cure instantaneously after application on a surface

D. None of these

Discuss this answer

Accepted Answer

A. Equivalent weight

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Boiling point of water gets lowered at high altitudes (e.g., hills), because

Which of the following heat treatment processes is usually applied to castings?

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

Projection welding & stud welding is categorised as the __________ welding.

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

Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

Friction factor for fluid flow in pipe does not depend upon the

Percentage of argon (by volume) in dry atmospheric air is about

'Ice point' is designated on Fahrenheit temperature scale by

The main charge in blast furnace is usually

Gross national product (GNP) means the total value of __________ in a country.

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

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

A material being tested for endurance strength is subjected to the __________ load.

Water hammer is caused in steam carrying pipelines, because of

Corona discharge is related to the operation of a/an

With decrease in the grain size of a material, its creep resistance

For the irreversible reaction, C_a+ 2C = C_a C₂ , Δ H°298 = - 60000 J . mole_-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

Identify the correct statement.

Function of fusible plug in a boiler is to

__________ property of steel increases by addition of large amount of silicon in it.

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A jet engine turbine blade is normally manufactured by

Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

Which of the following mainly decides the current to be employed is arc welding?

Stainless steel is welded using

Exposure to __________ accelerates the degradation of plastics.

Which of the following low melting alloy containing bismuth and lead is used for electric fuse?

Which of the following pairs is not correctly matched?

Adhesives

Also checkout

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Boiling point of water gets lowered at high altitudes (e.g., hills), because

Which of the following heat treatment processes is usually applied to castings?

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

Projection welding & stud welding is categorised as the __________ welding.

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

Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

Friction factor for fluid flow in pipe does not depend upon the

Percentage of argon (by volume) in dry atmospheric air is about

'Ice point' is designated on Fahrenheit temperature scale by

The main charge in blast furnace is usually

Gross national product (GNP) means the total value of __________ in a country.

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

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

A material being tested for endurance strength is subjected to the __________ load.

Water hammer is caused in steam carrying pipelines, because of

Corona discharge is related to the operation of a/an

With decrease in the grain size of a material, its creep resistance

For the irreversible reaction, Ca+ 2C = Ca C2 , Δ H°298 = - 60000 J . mole-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

Identify the correct statement.

Function of fusible plug in a boiler is to

__________ property of steel increases by addition of large amount of silicon in it.

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A jet engine turbine blade is normally manufactured by

Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

Which of the following mainly decides the current to be employed is arc welding?

Stainless steel is welded using

Exposure to __________ accelerates the degradation of plastics.

Which of the following low melting alloy containing bismuth and lead is used for electric fuse?

Which of the following pairs is not correctly matched?

Adhesives

Also checkout

For the irreversible reaction, C_a+ 2C = C_a C₂ , Δ H°298 = - 60000 J . mole_-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be