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Author name: admin

__________ welding will be the most suitable for butt welding two 20 cms thick boiler drum mild steel plates.

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: __________ welding will be the most suitable for butt welding two 20 cms thick boiler drum mild steel plates.
[A].

Electrical resistance

[B].

Electroslag

[C].

Plasma torch

[D].

Submerged arc

Answer: Option B

Explanation:

No answer description available for this question.

__________ welding will be the most suitable for butt welding two 20 cms thick boiler drum mild steel plates. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Current employed in resistance welding ranges from __________ kVA/cm2 .

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Current employed in resistance welding ranges from __________ kVA/cm2 .
[A].

1.2 to 2.5

[B].

4.5 to 6.2

[C].

7.5 to 8.5

[D].

10.5 to 15.5

Answer: Option B

Explanation:

No answer description available for this question.

Current employed in resistance welding ranges from __________ kVA/cm2 . Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

According to M # N $ T, T is in which direction with respect to M?

Direction Sense Test, Verbal Reasoning / admin

Question: According to M # N $ T, T is in which direction with respect to M?
[A].

North-West

[B].

North-East

[C].

South-West

[D].

South-East

Answer: Option B

Explanation:

According to M # N $ T

Hence T is in the North-East of M.

According to M # N $ T, T is in which direction with respect to M? Read More »

Direction Sense Test, Verbal Reasoning

Deformation band is absent in materials having __________ lattice crystal structure.

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Deformation band is absent in materials having __________ lattice crystal structure.
[A].

fcc

[B].

bcc

[C].

hcp

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Deformation band is absent in materials having __________ lattice crystal structure. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

According to X @ B * P, P is in which direction with respect to X?

Direction Sense Test, Verbal Reasoning / admin

Question: According to X @ B * P, P is in which direction with respect to X?
[A].

North

[B].

South

[C].

North-East

[D].

South-West

Answer: Option D

Explanation:

According to X @ B * P

Hence P is in South-West of X.

According to X @ B * P, P is in which direction with respect to X? Read More »

Direction Sense Test, Verbal Reasoning

Ingrannular corrosion occurs __________ stainless steel.

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Ingrannular corrosion occurs __________ stainless steel.
[A].

in all types of steels except

[B].

at the surface of

[C].

along grain boundaries of

[D].

in the core of

Answer: Option C

Explanation:

No answer description available for this question.

Ingrannular corrosion occurs __________ stainless steel. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Galvanic corrosion can not be prevented by

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Galvanic corrosion can not be prevented by
[A].

cathodic protection.

[B].

anodic protection.

[C].

usage of largest possible anodic area.

[D].

any one of these.

Answer: Option B

Explanation:

No answer description available for this question.

Galvanic corrosion can not be prevented by Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

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

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ x Tm (where, Tm Melting temperature).
[A].

0.25

[B].

0.45

[C].

0.70

[D].

0.95

Answer: Option C

Explanation:

No answer description available for this question.

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

CHEMICAL ENGINEERING, Chemical Engineering Basics

The Al2 O3 content of cryolite in Hall-Heroult’s cell is maintained between __________ percent.

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: The Al2 O3 content of cryolite in Hall-Heroult’s cell is maintained between __________ percent.
[A].

2-5

[B].

18-20

[C].

12-15

[D].

6-12

Answer: Option A

Explanation:

No answer description available for this question.

The Al2 O3 content of cryolite in Hall-Heroult’s cell is maintained between __________ percent. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Maraging steels derive their strength from the following mechanism:

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Maraging steels derive their strength from the following mechanism:
[A].

A fine, highly dislocated and strong martensite.

[B].

Fine dispersions of intermetallics of Fe, Ni, Ti etc.

[C].

Fine dispersions of alloy carbides in a ferrite matrix.

[D].

Fine dispersions of Fe3 C nucleated on dislocations in austenite.

Answer: Option A

Explanation:

No answer description available for this question.

Maraging steels derive their strength from the following mechanism: Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics