In absorption vapour systems, the refrigerant widely used is R-12.

Byadmin September 14, 2022

Question: In absorption vapour systems, the refrigerant widely used is R-12.
[A].

Correct

[B].

Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

Machine Design | Mechanical Engineering

The ball bearings are, usually, made from

Question: The ball bearings are, usually, made from
[A].

low carbon steel
[B].
high carbon steel
[C].
medium carbon steel
[D].
high speed steel

Answer: Option C

Explanation:

No answer description available for this question.

Read More The ball bearings are, usually, made from
Hydraulics and Fluid Mechanics | Mechanical Engineering

A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.

Question: A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
[A].

True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
CHEMICAL ENGINEERING | Heat Transfer

__________ equation relates the thermal conductivity of a solid to its temperature.

Question: __________ equation relates the thermal conductivity of a solid to its temperature.
[A].

Antonie
[B].
Kopp’s
[C].
Lee’s
[D].
Kistyakowski

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ equation relates the thermal conductivity of a solid to its temperature.
Refrigeration and Air Conditioning

If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be________________?

If the evaporator temperature of a plant is lowered, keeg the condenser temperature constant, the h.p. of compressor required will be________________?

A. same
B. more
C. less
D. more/less depending on rating
E. unpredictable

Read More If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be________________?
Machine Design | Mechanical Engineering

A steel containing 0.8% carbon is known as

Question: A steel containing 0.8% carbon is known as
[A].

eutectoid steel
[B].
hyper-eutectoid steel
[C].
hypo-eutectqid steel
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More A steel containing 0.8% carbon is known as
Engineering Materials | Mechanical Engineering

Iron-carbon alloys containing 1.7 to 4.3% carbon are known as

Question: Iron-carbon alloys containing 1.7 to 4.3% carbon are known as
[A].

eutectic cast irons
[B].
hypo-eutectic cast irons
[C].
hyper-eutectic cast irons
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Iron-carbon alloys containing 1.7 to 4.3% carbon are known as

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