Bad odour in sanitary latrines is reduced by periodically sprinkling

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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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The atmospheric temperature during melting of ice/snow (in the atmosphere)

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease; depends on the altitude where snow melts

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Thermal efficiency of an internal combustion engine is around __________ percent.

A. 8

B. 35

C. 65

D. 80

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In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

A. Less

B. More

C. Equal

D. Unpredictable

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Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

A. Cobalt, chromium & tungsten

B. Cobalt, chromium & nickel

C. Molybdenum, tungsten & chromium

D. Cobalt, zirconium & molybdenum

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The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

A. Tension

B. Shear

C. Compression

D. Bending & tension

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Force between the molecules of the same substance is called __________ force.

A. Adhesive

B. Cohesive

C. Molecular

D. Vander Walls

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An alloy of Fe - 0.4 % C is

A. Cast iron

B. Hypo-eutectoid steel

C. Hyper-eutectoid steel

D. Eutectoid steel

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The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

A. Creep

B. Endurance

C. Fatigue

D. None of these

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Wrought iron is not

A. Ductile & resistant to corrosion/rusting

B. Weldable easily

C. Having uniform strength in all directions

D. Having maximum tensile strength along the lines of slag distribution

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Holes for riveting purposes should be preferably made by

A. Cutting torch

B. Drilling

C. Punching

D. None of these

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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

A. 1/k

B. k

C. k²

D. 1/k²

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Electrochemical corrosion can occur, only if __________ is present in contact with metal.

A. Air

B. Oxygen

C. Liquid medium

D. Gaseous medium

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Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

A. Pressure & temperature

B. Pressure & specific volume

C. Temperature & specific volume

D. Temperature only

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The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

A. Decreasing the surface area of the electrodes

B. Increasing the concentration of zinc sulphate solution

C. Increasing the surface area of the electrodes

D. Increasing the concentration of copper sulphate solution

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Cold heading or upsetting is categorised as the __________ process.

A. Extrusion

B. Bending

C. Rolling

D. Forging

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'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

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Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

A. Black

B. Silver grey

C. Green

D. Yellow

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Oxyacetylene reducing flame is used while carrying out welding on

A. Alloy steel

B. Grey cast iron

C. Mild steel

D. High carbon steel

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'Amortization' in respect of financial obligation of a company means the

A. Liquidation of financial obligations on instalment basis

B. Commitment of financial obligation on priority

C. Liquidation of all the obsolete equipments of the company

D. Modernisation of the plant equipments

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The activity of pure hydrogen gas at 1000°C and 5 atm pressure

A. Is always less than 1

B. Is always greater than 1

C. Can be 5

D. Depends on the choice of the standard state

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The lightest non-inflammable gas is

A. H2

B. He

C. Ar

D. O2

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Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

A. Diminishing balance

B. Sinking fund

C. Multiple straight line

D. Sum of the years digit

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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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A common disinfectant used in village wells for disinfection of water is

A. Free chlorine

B. Bromine

C. Iodine

D. Potassium permanganate

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Current employed in resistance welding ranges from __________ kVA/.

A. 1.2 to 2.5

B. 4.5 to 6.2

C. 7.5 to 8.5

D. 10.5 to 15.5

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Fahrenheit and Centigrade scales have the same readings at

A. -55°

B. -40°

C. -33°

D. -58°

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Metal shots used in shot blasting are made of

A. Stellite

B. Steel

C. Bronze

D. Lead

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Addition of __________ to steel does not help in improving its machinability.

A. Sulphur

B. Silicon

C. Lead

D. Phosphorous

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Exposure to __________ accelerates the degradation of plastics.

A. Ultraviolet radiation

B. High atmospheric temperature

C. High ambient temperature

D. Damp atmosphere

Discuss this answer

The best guide to judge the general quality of water is the measurement of its

A. pH value

B. Electrical conductivity

C. Turbidity

D. Dissolved oxygen content

Discuss this answer

Accepted Answer

B. Lime powder

Bad odour in sanitary latrines is reduced by periodically sprinkling

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The atmospheric temperature during melting of ice/snow (in the atmosphere)

Thermal efficiency of an internal combustion engine is around __________ percent.

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

Force between the molecules of the same substance is called __________ force.

An alloy of Fe - 0.4 % C is

The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

Wrought iron is not

Holes for riveting purposes should be preferably made by

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Electrochemical corrosion can occur, only if __________ is present in contact with metal.

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Cold heading or upsetting is categorised as the __________ process.

'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)

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Oxyacetylene reducing flame is used while carrying out welding on

'Amortization' in respect of financial obligation of a company means the

The activity of pure hydrogen gas at 1000°C and 5 atm pressure

The lightest non-inflammable gas is

Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

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

A common disinfectant used in village wells for disinfection of water is

Current employed in resistance welding ranges from __________ kVA/.

Fahrenheit and Centigrade scales have the same readings at

Metal shots used in shot blasting are made of

Addition of __________ to steel does not help in improving its machinability.

Exposure to __________ accelerates the degradation of plastics.

The best guide to judge the general quality of water is the measurement of its

Also checkout

Bad odour in sanitary latrines is reduced by periodically sprinkling

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The atmospheric temperature during melting of ice/snow (in the atmosphere)

Thermal efficiency of an internal combustion engine is around __________ percent.

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

Force between the molecules of the same substance is called __________ force.

An alloy of Fe - 0.4 % C is

The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

Wrought iron is not

Holes for riveting purposes should be preferably made by

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Electrochemical corrosion can occur, only if __________ is present in contact with metal.

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its

The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by

Cold heading or upsetting is categorised as the __________ process.

'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)

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Oxyacetylene reducing flame is used while carrying out welding on

'Amortization' in respect of financial obligation of a company means the

The activity of pure hydrogen gas at 1000°C and 5 atm pressure

The lightest non-inflammable gas is

Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

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

A common disinfectant used in village wells for disinfection of water is

Current employed in resistance welding ranges from __________ kVA/.

Fahrenheit and Centigrade scales have the same readings at

Metal shots used in shot blasting are made of

Addition of __________ to steel does not help in improving its machinability.

Exposure to __________ accelerates the degradation of plastics.

The best guide to judge the general quality of water is the measurement of its

Also checkout

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by