Constituents of stellite are

Question

Constituents of stellite are

A. Zinc, copper & nickel

B. Cobalt, chromium & tungsten

C. Zinc, aluminium & nickel

D. Nickel, cobalt & vanadium

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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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An atom bomb works on the principle of

A. Nuclear fission

B. Nuclear fusion

C. Both the nuclear fission & fusion

D. Ionisation

Discuss this answer

Diamagnetic materials

A. Are magnetised by eddy currents only

B. Are non-magnetic and cannot be magnetised

C. Are magnetised in direction opposite to the magnetic field

D. Can be magnetised in one direction only

Discuss this answer

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

A. A

B. l

C. A2

D. Both 'a' & 'b'

Discuss this answer

Viscoelastic behaviour is observed in __________ materials.

A. Non-crystalline organic polymeric

B. Ceramic

C. All crystalline

D. All amorphous

Discuss this answer

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

A. Entropy

B. Pressure

C. Volume

D. Heat

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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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Carbon supply in pack carburising process is in the form of

A. Charcoal

B. Calcium carbide

C. Hydrocarbon oil

D. Graphite

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Name the safety device used to protect the boiler, when the water level falls below a minimum level.

A. Blow down valve

B. Blow off cock

C. Fusible plug

D. Safety valve

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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 solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C.

A. 370

B. 340

C. 320

D. 300

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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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The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel.

A. Carbon

B. Manganese

C. Both 'a' nor 'b'

D. Neither 'a' nor 'b'

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__________ remains constant during the adiabatic cooling of moist air.

A. Wet bulb temperature

B. Dry bulb temperature

C. Relative humidity

D. Specific humidity

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Pick out the wrong statement about coating/electroplating of metals.

A. Phosphate coating is used as an excellent base for paints & enamels

B. Phosphate coating is less corrosion resistant than chromate coating

C. The base metal to be electroplated is normally made the cathode of the electrolytic cell and coating metal is made the anode

D. Calorising is the process of coating steel with chromium

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Larger length & diameter water pipes are made by

A. Electrical resistance welding

B. Die casting

C. Semi-centrifugal casting

D. Continuous casting

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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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The activity co-efficient of the solute in a dilute solution

A. Decreases with the increase of concentration of the solute

B. Increases with the increase of concentration of the solute

C. Remains constant

D. Is unity at infinite dilution

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Glycerine is used as a coolant in cooling of some engines instead of water, because

A. Its higher boiling point (290°C) increases its heat carrying capacity

B. Comparatively less weight of coolant is required

C. Smaller radiator can be used

D. All a, b & c

Discuss this answer

__________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in area & percentage elongation of a material.

A. Tensile

B. Fatigue

C. Impact

D. None of these

Discuss this answer

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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Stainless steel is welded using

A. Oxy-acetylene flame

B. Oxy-hydrogen flame

C. Arc welding

D. Inert gas arc welding

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While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

A. 0.25

B. 0.45

C. 0.70

D. 0.95

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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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Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel.

A. 0.01 to 0.10

B. 0.2 to 0.4

C. 0.5 to 0.7

D. 0.8 to 1.0

Discuss this answer

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

A. Flow output

B. Head developed

C. Overall efficiency

D. Weight

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__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

A. Collar

B. Flanged

C. Bell and Spigot

D. Expansion

Discuss this answer

Pick out the correct statement.

A. Hot worked materials are subjected to annealing to remove internal stresses

B. Annealing of steel hardens it slightly

C. Normalising of a material induces stresses

D. Tempering of a material improves ductility & toughness but reduces hardness & brittleness

Discuss this answer

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

A. Tin

B. Lead

C. Zinc

D. Glass

Discuss this answer

Temperature attained in soldering of metals is about __________ °C.

A. 150-300

B. 400-500

C. 650-800

D. 1000-1100

Discuss this answer

Accepted Answer

B. Cobalt, chromium & tungsten

Constituents of stellite are

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

An atom bomb works on the principle of

Diamagnetic materials

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

Viscoelastic behaviour is observed in __________ materials.

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Which of the following is not an ore of copper?

Carbon supply in pack carburising process is in the form of

Name the safety device used to protect the boiler, when the water level falls below a minimum level.

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

A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C.

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

The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel.

__________ remains constant during the adiabatic cooling of moist air.

Pick out the wrong statement about coating/electroplating of metals.

Larger length & diameter water pipes are made by

Fahrenheit and Centigrade scales have the same readings at

The activity co-efficient of the solute in a dilute solution

Glycerine is used as a coolant in cooling of some engines instead of water, because

__________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in area & percentage elongation of a material.

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

Stainless steel is welded using

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

During sensible cooling of air, its wet bulb temperature

Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel.

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Pick out the correct statement.

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

Temperature attained in soldering of metals is about __________ °C.

Also checkout

Constituents of stellite are

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

An atom bomb works on the principle of

Diamagnetic materials

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

Viscoelastic behaviour is observed in __________ materials.

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Which of the following is not an ore of copper?

Carbon supply in pack carburising process is in the form of

Name the safety device used to protect the boiler, when the water level falls below a minimum level.

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

A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C.

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

The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel.

__________ remains constant during the adiabatic cooling of moist air.

Pick out the wrong statement about coating/electroplating of metals.

Larger length & diameter water pipes are made by

Fahrenheit and Centigrade scales have the same readings at

The activity co-efficient of the solute in a dilute solution

Glycerine is used as a coolant in cooling of some engines instead of water, because

__________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in area & percentage elongation of a material.

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

Stainless steel is welded using

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature).

During sensible cooling of air, its wet bulb temperature

Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel.

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Pick out the correct statement.

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

Temperature attained in soldering of metals is about __________ °C.

Also checkout

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).