August 2022

Question: X-rays do not exhibit the property of
[A].

reflection

[B].

scattering

[C].

diffraction

[D].

dispersion

Answer: Option B

Explanation:

No answer description available for this question.

Question: With increase in temperature, the electrical conductivity of a __________ decreases.
[A].

semi-conductor

[B].

metal or alloy

[C].

dielectric

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: A pycnometer is used for the measurement of
[A].

flow rate of molten metal.

[B].

specific gravity of a liquid.

[C].

composition of alloys.

[D].

concentration of a solution.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Load cells used for the measurement of weight has
[A].

compact & rugged construction with an accuracy of 0.1 to 1%.

[B].

no moving parts and incurs negligible deflection under load.

[C].

provision of thermal compensation and is hermetically sealed.

[D].

all ‘a’, ‘b’ & ‘c’

Answer: Option D

Explanation:

No answer description available for this question.

Question: __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
[A].

Borosilicate

[B].

High silica

[C].

Supermax

[D].

Lead

Answer: Option C

Explanation:

No answer description available for this question.

Question: Brinell Hardness Number (BHN) for talc is approximately in the range of
[A].

1-5

[B].

20-30

[C].

100-150

[D].

200-250

Answer: Option B

Explanation:

No answer description available for this question.

Question: __________ is used for tying the steel coloumns to concrete foundation.
[A].

Grouting

[B].

Eyebolt

[C].

Anchor bolts

[D].

Refractory castables

Answer: Option C

Explanation:

No answer description available for this question.

Question: Constituents of stellite are
[A].

zinc, copper & nickel.

[B].

cobalt, chromium & tungsten.

[C].

zinc, aluminium & nickel.

[D].

nickel, cobalt & vanadium.

Answer: Option B

Explanation:

No answer description available for this question.

Question: The best guide to judge the general quality of water is the measurement of its
[A].

pH value.

[B].

electrical conductivity.

[C].

turbidity.

[D].

dissolved oxygen content.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Gratings is associated with the measurement of
[A].

linear displacement.

[B].

concavity/convexity.

[C].

surface texture.

[D].

flatness.

Answer: Option A

Explanation:

No answer description available for this question.