The cathode in an electrochemical cell always carries

Question

The cathode in an electrochemical cell always carries

A. Negative charge

B. Positive charge

C. Zero charge

D. Positive or negative charge depending upon the nature of the cell

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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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What is the pH of distilled water?

A. 0

B. 1

C. 7

D. 14

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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

B. 1000-1500

C. 120-500

D. 1500-3000

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For dynamic strain measurement, the Wheatstone bridge used is of __________ type.

A. Voltage sensitive null

B. Voltage sensitive deflected

C. Current sensitive deflected

D. None of these

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Which of the following is not categorised as the ore agglomeration process?

A. Nodulising

B. Pelletising

C. Balling

D. Briquetting

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Softening of hardened steel is done by its

A. Normalising

B. Tempering

C. Annealing

D. Carburising

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In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

A. Percentage elongation

B. Brinell hardness

C. Tensile strength

D. All 'a', 'b' & 'c'

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Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

A. Invar

B. Hastelloy

C. Duralumin

D. Monel metal

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

A. Slip

B. Fracture

C. Winning

D. Dislocation

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__________ is not used as a material of construction in thermocouples.

A. Alumel

B. Rhodium

C. Constantan

D. Duralumin

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Diffusion co-efficient of a metal in a solid solution depends upon its

A. Composition

B. Temperature

C. Both (A) & (B)

D. Neither (A) nor (B)

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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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The product (s) of roasting of a sulphide ore is (are)

A. Oxide only

B. Sulphate only

C. Oxide and sulphate

D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide

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Brittleness induced due to the presence of sulphur in steel can be reduced by adding

A. Manganese

B. Magnesium

C. Vanadium

D. Copper

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

A. 100% indirect reduction

B. 100% direct reduction

C. 50-60% indirect reduction

D. 30-40% indirect reduction

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For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

A. 250

B. 500

C. 1000

D. 3000

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With increase in temperature, the electrical conductivity of semiconductors

A. Increases

B. Decreases

C. Remain constant

D. Either (A) or (B), depends on the type of semi-conductor

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Which one of the following is incombustible?

A. H2

B. CCl4

C. C2H2

D. S

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Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

A. Conductor

B. Insulator

C. Semi-conductor

D. None of these

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

A. Grashoff number

B. Grashoff number & Reynolds number

C. Reynolds number

D. Grashoff number & Prandtl number

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Bad odour in sanitary latrines is reduced by periodically sprinkling

A. Bleaching powder

B. Lime powder

C. Aluminium sulphate

D. None of these

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Nickel and __________ are the alloying element added in steel to increase its toughness.

A. Molybdenum

B. Chromium

C. Vanadium

D. Silicon

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The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

A. Casting

B. Pattern

C. Draft

D. Distortion

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Calorific value of __________ are almost same.

A. Lignite & anthracite coal

B. Lignite & coal gas

C. Petrol & diesel

D. Coal gas & natural gas

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The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

A. Greater than

B. Less than

C. Equal to

D. Unpredictable; depends on the bubble size

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According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is

A. 180°

B. 212°

C. 32°

D. 273°

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Annealing of white cast iron produces __________ iron.

A. Grey

B. Nodular

C. Malleable

D. Spheroidal

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A pycnometer is used for the measurement of

A. Flow rate of molten metal

B. Specific gravity of a liquid

C. Composition of alloys

D. Concentration of a solution

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Filler material used in welding should have __________ as compared to the parent metal to be welded.

A. Lower melting temperature

B. Same melting temperature

C. Same composition

D. Both 'b' & 'c'

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Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

A. Parallel flow with equal heat capacities

B. Counter flow with equal heat capacities

C. Counter flow with unequal heat capacities

D. Parallel flow with unequal heat capacities

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Accepted Answer

A. Negative charge

The cathode in an electrochemical cell always carries

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

What is the pH of distilled water?

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

For dynamic strain measurement, the Wheatstone bridge used is of __________ type.

Which of the following is not categorised as the ore agglomeration process?

Softening of hardened steel is done by its

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

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

__________ is not used as a material of construction in thermocouples.

Diffusion co-efficient of a metal in a solid solution depends upon its

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

The product (s) of roasting of a sulphide ore is (are)

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

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

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

With increase in temperature, the electrical conductivity of semiconductors

Which one of the following is incombustible?

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

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

Bad odour in sanitary latrines is reduced by periodically sprinkling

Nickel and __________ are the alloying element added in steel to increase its toughness.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Calorific value of __________ are almost same.

The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is

Annealing of white cast iron produces __________ iron.

A pycnometer is used for the measurement of

Filler material used in welding should have __________ as compared to the parent metal to be welded.

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

Also checkout

The cathode in an electrochemical cell always carries

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

What is the pH of distilled water?

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

For dynamic strain measurement, the Wheatstone bridge used is of __________ type.

Which of the following is not categorised as the ore agglomeration process?

Softening of hardened steel is done by its

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

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

__________ is not used as a material of construction in thermocouples.

Diffusion co-efficient of a metal in a solid solution depends upon its

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

The product (s) of roasting of a sulphide ore is (are)

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

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

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

With increase in temperature, the electrical conductivity of semiconductors

Which one of the following is incombustible?

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

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

Bad odour in sanitary latrines is reduced by periodically sprinkling

Nickel and __________ are the alloying element added in steel to increase its toughness.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Calorific value of __________ are almost same.

The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is

Annealing of white cast iron produces __________ iron.

A pycnometer is used for the measurement of

Filler material used in welding should have __________ as compared to the parent metal to be welded.

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

Also checkout

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