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Cast iron is a __________ material.

Question: Cast iron is a __________ material.
[A].

brittle

[B].

ductile

[C].

tough

[D].

malleable

Answer: Option A

Explanation:

No answer description available for this question.

Cast iron is a __________ material. Read More »

A material is able to retain the deformation permanently by virtue of its

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: A material is able to retain the deformation permanently by virtue of its
[A].

elasticity

[B].

plasticity

[C].

ductility

[D].

malleability

Answer: Option B

Explanation:

No answer description available for this question.

A material is able to retain the deformation permanently by virtue of its Read More »

CHEMICAL ENGINEERING, Materials and Construction

As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages

CHEMICAL ENGINEERING, Mass Transfer / admin

Question: As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages
[A].

increase

[B].

decrease

[C].

remain unchanged

[D].

can either increase or decrease, depends on the system

Answer: Option B

Explanation:

No answer description available for this question.

As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Read More »

CHEMICAL ENGINEERING, Mass Transfer

A material is called ‘ductile’, if it can be

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: A material is called ‘ductile’, if it can be
[A].

drawn into wires.

[B].

hammered to a thin sheet.

[C].

fractured without deformation.

[D].

made lustrous by heating it.

Answer: Option A

Explanation:

No answer description available for this question.

A material is called ‘ductile’, if it can be Read More »

CHEMICAL ENGINEERING, Materials and Construction

Manganese in steel affects its

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: Manganese in steel affects its
[A].

ductility

[B].

tensile strength

[C].

hardness

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Manganese in steel affects its Read More »

CHEMICAL ENGINEERING, Materials and Construction

Nickel and molybdenum are the basic constituents of

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: Nickel and molybdenum are the basic constituents of
[A].

hastealloy

[B].

German silver

[C].

inconel

[D].

solder

Answer: Option A

Explanation:

No answer description available for this question.

Nickel and molybdenum are the basic constituents of Read More »

CHEMICAL ENGINEERING, Materials and Construction

Nickel and copper are the basic constituents of

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: Nickel and copper are the basic constituents of
[A].

hastelloy

[B].

monel metal

[C].

German silver

[D].

inconel

Answer: Option B

Explanation:

No answer description available for this question.

Nickel and copper are the basic constituents of Read More »

CHEMICAL ENGINEERING, Materials and Construction

A chemical change takes place when iron

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: A chemical change takes place when iron
[A].

rusts

[B].

melts

[C].

is heated

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

A chemical change takes place when iron Read More »

CHEMICAL ENGINEERING, Materials and Construction

Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of
[A].

tungsten

[B].

vanadium

[C].

silicon

[D].

all (a), (b) & (c)

Answer: Option C

Explanation:

No answer description available for this question.

Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of Read More »

CHEMICAL ENGINEERING, Materials and Construction

Cementite is

CHEMICAL ENGINEERING, Materials and Construction / admin

Question: Cementite is
[A].

Fe3C chemically.

[B].

a compound of carbon and iron.

[C].

characterised by an orthorhombic crystal structure.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Cementite is Read More »

CHEMICAL ENGINEERING, Materials and Construction

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