Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

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Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

A. Concentration

B. Velocity

C. Temperature

D. None of these

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Maximum hardenability of steel depends upon its

A. Chemical composition

B. Carbon content

C. Grain size

D. Alloying elements content

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One of the methods of purification of leach liquor is ion exchange, which involves

A. Exchange between two liquid phases

B. Exchange between a gaseous phase and a liquid phase

C. Exchange between a liquid phase and an organic resin phase

D. Exchange between a solid phase and a gas phase

Discuss this answer

Fibre reinforced plastic (FRP) are

A. Made of glass fibre and thermoplastic resins

B. Anisotropic

C. Made of thermosetting resin and glass fibre

D. Both 'b' & 'c'

Discuss this answer

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

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Which of the following is not a charge material for cupola?

A. Limestone

B. Iron scrap

C. Iron ore

D. Pig iron

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A psychrometer does not measure the __________ temperature of moist air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

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Which of the following is the most wear resistant grade of carbide used for the cutting tools?

A. Aluminium carbide

B. Tungsten carbide

C. Nickel carbide

D. Iron carbide

Discuss this answer

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

A. 0

B. 100

C. 50

D. None of these

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Suitability of steel for its use in cable is judged by its strength in

A. Tension

B. Compression

C. Torsion

D. Shear

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Which one of the following is incombustible?

A. H2

B. CCl4

C. C2H2

D. S

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Normalising of a casting does not

A. Induce stresses in it

B. Refine its grain structure

C. Reduce segregation

D. Improve its mechanical properties

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__________ of test specimens is not involved in any hardness testing method.

A. Fracture

B. Indentation

C. Wear

D. Scratch

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Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

A.

B.

C.

D.

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In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

A. Conduction

B. Radiation

C. Natural convection

D. Forced convection

Discuss this answer

When an isolated thermodynamic system executes a process,

A. Work is done

B. Heat transfer takes place

C. Mass flow occurs across the boundary of the system

D. No chemical reaction takes place within the system

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Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

A. Manganese

B. Phosphorous

C. Magnesium

D. Chromium

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Silicon in steel

A. Makes it usable in almost all magnetic circuits where alternating current is used

B. Increases its electrical resistivity and decreases the hysteresis loss

C. Is present upto 5% & 4% respectively when used in transformers & motor armatures

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

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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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On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

A. Frequency

B. Amplitude

C. Damping

D. None of these

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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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Quartz is a __________ material.

A. Diamagnetic

B. Ferromagnetic

C. Ferroelectric

D. Piezoelectric

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

A. Nitrate

B. Sulphate

C. Carbonate

D. Chloride

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The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

A. 273.15

B. 225.65

C. 100.03

D. 373.15

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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

Discuss this answer

Methyl orange indicator turns

A. Orange yellow in alkaline medium

B. Orange yellow in acidic medium

C. Colourless in acidic medium

D. Colourless in basic medium

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Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

A. +4000

B. -4000

C. 10000

D. -10000

Discuss this answer

Brinell Hardness Number (BHN) for talc is approximately in the range of

A. 1-5

B. 20-30

C. 100-150

D. 200-250

Discuss this answer

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

A. 70 & 30

B. 30 & 70

C. 50 & 50

D. 90 & 10

Discuss this answer

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

A. V

B. V/2

C. 2V

D. 3V

Discuss this answer

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

A. SiO2

B. Al2O3

C. MnO2

D. P

Discuss this answer

Accepted Answer

A. Concentration

Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Maximum hardenability of steel depends upon its

One of the methods of purification of leach liquor is ion exchange, which involves

Fibre reinforced plastic (FRP) are

Upto the critical radius of insulation, added insulation, will

Which of the following is not a charge material for cupola?

A psychrometer does not measure the __________ temperature of moist air.

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Suitability of steel for its use in cable is judged by its strength in

Which one of the following is incombustible?

Normalising of a casting does not

__________ of test specimens is not involved in any hardness testing method.

Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

When an isolated thermodynamic system executes a process,

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Silicon in steel

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

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

During sensible cooling of air, its wet bulb temperature

Quartz is a __________ material.

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

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

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)

Methyl orange indicator turns

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

Brinell Hardness Number (BHN) for talc is approximately in the range of

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

Also checkout

Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Maximum hardenability of steel depends upon its

One of the methods of purification of leach liquor is ion exchange, which involves

Fibre reinforced plastic (FRP) are

Upto the critical radius of insulation, added insulation, will

Which of the following is not a charge material for cupola?

A psychrometer does not measure the __________ temperature of moist air.

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Suitability of steel for its use in cable is judged by its strength in

Which one of the following is incombustible?

Normalising of a casting does not

__________ of test specimens is not involved in any hardness testing method.

Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

When an isolated thermodynamic system executes a process,

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Silicon in steel

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

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

During sensible cooling of air, its wet bulb temperature

Quartz is a __________ material.

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

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.

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)

Methyl orange indicator turns

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

Brinell Hardness Number (BHN) for talc is approximately in the range of

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

Also checkout

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².