Which of the following is not a ferromagnetic material?

Question

Which of the following is not a ferromagnetic material?

A. Nickel

B. Cobalt

C. Aluminium

D. Iron

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Limestone is added in the blast furnace (during pig iron manufacture) to

A. Form slag by combining with impurities

B. Supply heat by undergoing exothermic reaction with impurities

C. Reduce the coke consumption

D. Reduce slag viscosity

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Difference at any instant between the value of the controlled variable and the set point is called the

A. Deviation

B. Derivative time

C. Error ratio

D. Differential gap

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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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__________ test is the appropriate test to determine whether a material is ductile or brittle.

A. Impact

B. Cupping

C. Hardness

D. Tensile

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With decrease in the grain size of a material, its creep resistance

A. Increases

B. Decreases

C. Remain constant

D. Either (A) or (B); depends on the material

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Wrought iron is never shaped by

A. Casting

B. Cold working

C. Forging

D. Welding

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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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In electrical resistance welding, distortion results from the use of improper

A. Clamping methods

B. Electrodes

C. Current

D. Filler material

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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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As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

A. 110

B. 85

C. 60

D. 45

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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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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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Surface tension of a liquid

A. Is due to intermolecular forces of cohesion

B. Decreases with rise in temperature

C. Is responsible for the spherical shape of an isolated liquid drop

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

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Broaching tools are usually made of

A. Cermets

B. High speed steel

C. Tungsten carbide

D. Stellite

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The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

A. Parabolic

B. Hyperbolic

C. Straight line

D. None of these

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In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

A. Percentage elongation

B. Brinell hardness

C. Tensile strength

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

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Maximum permissible air velocity in pipelines is about __________ metre/second.

A. 5

B. 10

C. 20

D. 40

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The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

A. Final control element

B. On-off control

C. Floating control action

D. None of these

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Fire in fuel gas pipelines is extinguished most effectively by

A. Spraying water

B. Blanketting the area with nitrogen atmosphere

C. Fire fighting foam

D. None of these

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Cast iron contains __________ percent carbon.

A. 2.5

B. 3.75

C. 4.75

D. 5.25

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Age hardening is connected with

A. Babbitt metal

B. Gun metal

C. Stainless steel

D. Duralumin

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Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

A. Bomb

B. Throttling

C. Junker's

D. Boy's

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Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

A. p

B. 2 p

C. 0.5 p

D. 0.25 p

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__________ has a negative co-efficient of linear expansion.

A. Iron

B. Copper

C. Rubber

D. Nickel

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The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

A. Casting

B. Pattern

C. Draft

D. Distortion

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A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

A. Lack of free

B. Excess of

C. Decrease in

D. None of these

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A solar cell converts the sunlight directly into __________ energy.

A. Thermal

B. Electrical

C. Mechanical

D. Chemical

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In practice, the compression ratio of compression-ignition (CI) engine ranges from

A. 15 to 25

B. 5 to 10

C. 40 to 55

D. 60 to 70

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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 metals is the most prone to work hardening?

A. Brass

B. Aluminium

C. Copper

D. Lead

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Accepted Answer

C. Aluminium

Which of the following is not a ferromagnetic material?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Limestone is added in the blast furnace (during pig iron manufacture) to

Difference at any instant between the value of the controlled variable and the set point is called the

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

__________ test is the appropriate test to determine whether a material is ductile or brittle.

With decrease in the grain size of a material, its creep resistance

Wrought iron is never shaped by

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

In electrical resistance welding, distortion results from the use of improper

When an isolated thermodynamic system executes a process,

As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

Energy of the sun arises mainly from __________ reactions.

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

Surface tension of a liquid

Broaching tools are usually made of

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

Maximum permissible air velocity in pipelines is about __________ metre/second.

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

Fire in fuel gas pipelines is extinguished most effectively by

Cast iron contains __________ percent carbon.

Age hardening is connected with

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

__________ has a negative co-efficient of linear expansion.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

A solar cell converts the sunlight directly into __________ energy.

In practice, the compression ratio of compression-ignition (CI) engine ranges from

Wrought iron does not have

Which of the following metals is the most prone to work hardening?

Also checkout

Which of the following is not a ferromagnetic material?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Limestone is added in the blast furnace (during pig iron manufacture) to

Difference at any instant between the value of the controlled variable and the set point is called the

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

__________ test is the appropriate test to determine whether a material is ductile or brittle.

With decrease in the grain size of a material, its creep resistance

Wrought iron is never shaped by

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

In electrical resistance welding, distortion results from the use of improper

When an isolated thermodynamic system executes a process,

As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

Energy of the sun arises mainly from __________ reactions.

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

Surface tension of a liquid

Broaching tools are usually made of

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

Maximum permissible air velocity in pipelines is about __________ metre/second.

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

Fire in fuel gas pipelines is extinguished most effectively by

Cast iron contains __________ percent carbon.

Age hardening is connected with

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

__________ has a negative co-efficient of linear expansion.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

A solar cell converts the sunlight directly into __________ energy.

In practice, the compression ratio of compression-ignition (CI) engine ranges from

Wrought iron does not have

Which of the following metals is the most prone to work hardening?

Also checkout

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