Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

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Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

A. Parting

B. Synthetic

C. Loam

D. Dry

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Out of the following, the alloy which has equal percentage of constituents, is

A. White metal

B. Gun metal

C. Duralumin

D. Constantan

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Pick out the wrong statement about nucleate boiling.

A. Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface

B. Surface temperature is greater than the saturation temperature of the liquid

C. Heat transfer from the surface of the liquid is less than that in film boiling

D. The temperature is less than that of film boiling

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The product of a commercial direct reduction process is

A. Liquid iron

B. Solid iron

C. Sponge iron

D. Iron saturated with carbon

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Which of the following is not an ore of copper?

A. Cryolite

B. Azurite

C. Chalcopyrite

D. Malachite

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Machinability of hard alloys and tool steels is improved by

A. Spheroidising

B. Annealing

C. Tempering

D. Normalising

Discuss this answer

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

A. 10^-3

B. 10³

C. 10^-15

D. 10¹⁵

Discuss this answer

Milk is fat dispersed in water. It is an example of

A. Suspension

B. Emulsion

C. Gel

D. Solution

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The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

A. 0.5

B. 3

C. 10

D. 25

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Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

A. High fusibility & fluidity

B. High thermal conductivity

C. Low density

D. High chemical activity

Discuss this answer

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 maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

A. Fatigue strength

B. Creep strength

C. Resilience

D. Endurance limit

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A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

A. Increase

B. Decrease

C. Remain unaffected

D. May increase or decrease; depends on the thickness of each layer

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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 drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

A. Stainless steel

B. Mild steel

C. High speed steel

D. High carbon steel

Discuss this answer

Galvanic corrosion cannot be prevented by

A. Cathodic protection

B. Anodic protection

C. Usage of largest possible anodic area

D. Any one of these

Discuss this answer

Stellite is a __________ material.

A. Ferrous

B. Ceramic

C. Cemented carbide

D. Non-ferrous cast alloy cutting tool

Discuss this answer

Drossing is a __________ operation.

A. Smelting

B. Dressing

C. Roasting

D. Dressing

Discuss this answer

Hooke's law

A. Applies to elastic deformation

B. Applies beyond limit of proportionality in stress-strain curve

C. States that stress is inversely proportional to strain upto elastic limit

D. None of these

Discuss this answer

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

A. Neutral

B. Ideal

C. Buffer

D. Zero pH

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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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Production of a hollow product by inflation of a tube or parison is called the __________ process.

A. Blow moulding

B. Calendaring

C. Extrusion

D. Injection

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For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

A. Propane and acetylene

B. Propane and LPG

C. Sewage gas and gobar gas

D. B.F gas and coke oven gas

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Pick out the wrong statement.

A. Seam welding, projection welding & spot welding are the classification of electrical resistance welding

B. Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t = plate thickness to be welded)

C. In spot welding, two pieces to be joined are overlapped and placed between two electrodes

D. Mild steel sheet cannot be spot welded

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The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

A. 3171P_a

B. 3567P_a

C. 1.01 × 10⁵P_a

D. 5000P_a

Discuss this answer

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

A. Linearly

B. Exponentially

C. Logarithmically

D. Inversely

Discuss this answer

Brazing is the joining of metals

A. Without melting the base metal

B. With a non-ferrous filler

C. Both (A) & (B)

D. Neither (A) nor (B)

Discuss this answer

The lightest non-inflammable gas is

A. H2

B. He

C. Ar

D. O2

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

Which of the following is a boiler accessory
i.e., not a boiler mounting?

A. Blow off cock

B. Feed check valve

C. Feed water pump

D. Stop valve

Discuss this answer

Use of water as a manometric liquid suffers from the disadvantage of its

A. Low vapour pressure

B. Corrosive nature

C. High vapour pressure

D. High boiling point

Discuss this answer

Accepted Answer

A. Parting

Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Out of the following, the alloy which has equal percentage of constituents, is

Pick out the wrong statement about nucleate boiling.

The product of a commercial direct reduction process is

Which of the following is not an ore of copper?

Machinability of hard alloys and tool steels is improved by

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

Milk is fat dispersed in water. It is an example of

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

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

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

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

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

Galvanic corrosion cannot be prevented by

Stellite is a __________ material.

Drossing is a __________ operation.

Hooke's law

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

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

Production of a hollow product by inflation of a tube or parison is called the __________ process.

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

Pick out the wrong statement.

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

Brazing is the joining of metals

The lightest non-inflammable gas is

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

Which of the following is a boiler accessory
i.e., not a boiler mounting?

Use of water as a manometric liquid suffers from the disadvantage of its

Also checkout

Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Out of the following, the alloy which has equal percentage of constituents, is

Pick out the wrong statement about nucleate boiling.

The product of a commercial direct reduction process is

Which of the following is not an ore of copper?

Machinability of hard alloys and tool steels is improved by

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

Milk is fat dispersed in water. It is an example of

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

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

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

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

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

Galvanic corrosion cannot be prevented by

Stellite is a __________ material.

Drossing is a __________ operation.

Hooke's law

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

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

Production of a hollow product by inflation of a tube or parison is called the __________ process.

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg)?

Pick out the wrong statement.

The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

Brazing is the joining of metals

The lightest non-inflammable gas is

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

Which of the following is a boiler accessory i.e., not a boiler mounting?

Use of water as a manometric liquid suffers from the disadvantage of its

Also checkout

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

Which of the following is a boiler accessory
i.e., not a boiler mounting?