The boiling point of __________ is -10.5°C.

Byadmin September 14, 2022

Question: The boiling point of __________ is -10.5°C.
[A].

ammonia

[B].

R-12

[C].

sulphur dioxide

[D].

carbon dioxide

Answer: Option C

Explanation:

No answer description available for this question.

Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.

Question: An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
CHEMICAL ENGINEERING | Heat Transfer

Nusselt number is the ratio of the

Question: Nusselt number is the ratio of the
[A].

temperature gradient of the wall to that across the entire pipe.
[B].
temperature difference to the temperature gradient at the wall.
[C].
heat flux at the wall to that across the entire pipe.
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Nusselt number is the ratio of the
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by

Question: In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Read More In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by
Heat Transfer

The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit_______________?

The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit_______________?

A. temperature
B. thickness
C. area
D. time
E. area and time

Read More The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit_______________?
Engineering Materials | Mechanical Engineering

In a hardening process, the hypo-eutectoid steel is

Question: In a hardening process, the hypo-eutectoid steel is
[A].

heated from 30° C to 50° C above the upper critical temperature and then cooled in still air
[B].
heated from 30° C to 50° C above the upper critical temperature and then cooled suddenly in a suitable cooling medium
[C].
heated from 30° C to 50° C above the upper critical temperature and then cooled slowly in the furnace
[D].
heated below or close to the lower critical temperature and then cooled slowly

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a hardening process, the hypo-eutectoid steel is
Heat Transfer

Joule sec is the unit of_________________?

Joule sec is the unit of_________________?

A. universal gas constant
B. kinematic viscosity
C. thermal conductivity
D. Planck’s constant
E. none of the above

Read More Joule sec is the unit of_________________?

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