In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

Byadmin September 14, 2022

Question: In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
[A].

wet vapour region

[B].

superheated vapour region

[C].

sub-cooled liquid region

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Automobile Engineering | Mechanical Engineering

In petrol engines, during suction stroke, __________ is drawn in the cylinder

Question: In petrol engines, during suction stroke, __________ is drawn in the cylinder
[A].

air and fuel
[B].
only fuel
[C].
only air
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More In petrol engines, during suction stroke, __________ is drawn in the cylinder
Machine Design | Mechanical Engineering

According to Indian standard specifications, a grey cast iron designated by ‘FG 200’ means that the

Question: According to Indian standard specifications, a grey cast iron designated by ‘FG 200’ means that the
[A].

carbon content is 2%
[B].
maximum compressive strength is 200 N/mm2
[C].
minimum tensile strength is 200 N/mm2
[D].
maximum shear strength is 200 N/mm2

Answer: Option C

Explanation:

No answer description available for this question.

Read More According to Indian standard specifications, a grey cast iron designated by ‘FG 200’ means that the
CHEMICAL ENGINEERING | Heat Transfer

In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is

Question: In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is
[A].

infinity.
[B].
zero.
[C].
same as average heat transfer co-efficient for tube side.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is
CHEMICAL ENGINEERING | Heat Transfer

An insulator should have

Question: An insulator should have
[A].

low thermal conductivity.
[B].
high thermal conductivity.
[C].
less resistance to heat flow.
[D].
a porous structure.

Answer: Option A

Explanation:

No answer description available for this question.

Read More An insulator should have
Engineering Mechanics | Mechanical Engineering

In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.

Question: In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.
[A].

True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.
Heat Transfer

Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?

Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?

A. composition
B. density
C. porosity
D. structure
E. all of the above

Read More Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?

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