Stresses encountered in the metal forming processes are less than the __________ of the material.

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Stresses encountered in the metal forming processes are less than the __________ of the material.

A. Fracture strength

B. Yield strength

C. Elastic limit

D. Limit of proportionality

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Which of the following has the least value of ultimate tensile strength (UTS)?

A. Medium carbon steel

B. High carbon steel

C. Cast iron

D. Wrought iron

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In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

A. ΔQ = 0, ΔS=0

B. ΔQ = 0, ΔS = +ve

C. ΔQ = 0, ΔS = -ve

D. ΔQ = +ve, ΔS= +ve

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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 passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

A. Runner

B. Cylinder

C. Mold

D. None of these

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Wrought iron does not have

A. Uniform strength in all directions

B. Ability to hold protective coating

C. High ductility & corrosion resistance

D. Easily weldable characteristics

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Which of the following is not used as a bearing material?

A. Copper-lead alloys

B. Babbitts

C. Bronzes

D. Cermets

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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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Hydrogen can be

A. Used in I.C. engines as fuel

B. Liquefied & stored under cryogenic conditions

C. Produced by electrolysis of water

D. All (A), (B) & (C)

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Increase in the entropy of a system represents the

A. Degradation of energy

B. Decrease in system pressure

C. Increase in the availability of energy

D. Increase in the temperature

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Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A. V/A

B. V/A²

C. V²/A

D. V²/A²

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__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

A. Beryllium

B. Zirconia

C. Alumina

D. Magnesia

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Steel is welded using the __________ flame.

A. Carburising

B. Neutral

C. Oxidising

D. All (A), (B) & (C)

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The best lubricants for a machine working at high temperature & load is

A. Grease

B. Solid lubricant

C. Animal oils

D. Mineral oils

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On being hit with a hammer, __________ will readily fracture.

A. Brass

B. Mild steel

C. Cast iron

D. Lead

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Fog is an example of colloidal system of

A. Solid dispersed in gas

B. Solid dispersed in liquid

C. Liquid dispersed in gas

D. Gas dispersed in liquid

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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

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Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

A. Horizontal

B. Vertical

C. Inclined

D. Any

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The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A. Cyaniding

B. Sherardizing

C. Spheroidising

D. None of these

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Nitriding of a steel part does not increase its

A. Grain size

B. Fatigue limit

C. Surface hardness

D. Wear resistance

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

A. 10^-3

B. 10³

C. 10^-15

D. 10¹⁵

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__________ stress cannot be sustained by a fluid in equilibrium.

A. Shear

B. Tensile

C. Compressive

D. None of these

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Energy of the sun arises mainly from __________ reactions.

A. Fusion

B. Fission

C. Combustion

D. None of these

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Pick out the wrong statement.

A. A ferromagnetic material becomes paramagnetic above the 'Curie temperature'

B. Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials

C. Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces

D. Tungsten steel and alnico are not hard magnetic materials

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In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

A. t = 15 - 0.0065 h

B. t = 15 + 0.0065 h

C. t = 0.0035 h - 15

D. t = 15 - 0.0035 h

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Direct conversion of thermal energy to electrical energy is facilitated by the

A. Fuel cells

B. Photo voltaic cell

C. Magneto hydrodynamic generator

D. None of these

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The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

A. Ability to absorb shock

B. Capacity to store energy

C. Ratio of the wire & coil diameters

D. Load to produce unit deflection

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Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

A. Pure oxygen has been used for combustion

B. Nitrogen percentage in the fuel is very high

C. Excess air has been used for combustion

D. Hydrogen is not present in the fuel

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Isotropic materials have the same __________ in all directions.

A. Induced stresses

B. Density

C. Elastic properties

D. Thermal properties

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The hardenability of steel decreases with

A. Decrease in dislocation density

B. Increase in solutionising temperature

C. Increase in strength

D. Decrease in grain size

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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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Accepted Answer

A. Fracture strength

Stresses encountered in the metal forming processes are less than the __________ of the material.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following has the least value of ultimate tensile strength (UTS)?

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

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

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

Wrought iron does not have

Which of the following is not used as a bearing material?

Metal shots used in shot blasting are made of

Hydrogen can be

Increase in the entropy of a system represents the

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Steel is welded using the __________ flame.

The best lubricants for a machine working at high temperature & load is

On being hit with a hammer, __________ will readily fracture.

Fog is an example of colloidal system of

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

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

Nitriding of a steel part does not increase its

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

__________ stress cannot be sustained by a fluid in equilibrium.

Energy of the sun arises mainly from __________ reactions.

Pick out the wrong statement.

In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

Direct conversion of thermal energy to electrical energy is facilitated by the

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

Isotropic materials have the same __________ in all directions.

The hardenability of steel decreases with

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

Also checkout

Stresses encountered in the metal forming processes are less than the __________ of the material.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following has the least value of ultimate tensile strength (UTS)?

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

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

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

Wrought iron does not have

Which of the following is not used as a bearing material?

Metal shots used in shot blasting are made of

Hydrogen can be

Increase in the entropy of a system represents the

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Steel is welded using the __________ flame.

The best lubricants for a machine working at high temperature & load is

On being hit with a hammer, __________ will readily fracture.

Fog is an example of colloidal system of

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

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

Nitriding of a steel part does not increase its

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

__________ stress cannot be sustained by a fluid in equilibrium.

Energy of the sun arises mainly from __________ reactions.

Pick out the wrong statement.

In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

Direct conversion of thermal energy to electrical energy is facilitated by the

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that

Isotropic materials have the same __________ in all directions.

The hardenability of steel decreases with

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

Also checkout

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

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