During sensible heating of air __________ decreases.

Byadmin September 14, 2022

Question: During sensible heating of air __________ decreases.
[A].

wet bulb temperature

[B].

relative humidity

[C].

dry bulb temperature

[D].

specific humidity

Answer: Option B

Explanation:

No answer description available for this question.

Heat Transfer

Thermal diffusivity is ____________________?

Thermal diffusivity is ____________________?

A. a dimensionless parameter
B. function of temperature
C. used as mathematical model
D. a physical property of the material
E. useful in case of heat transfer by radiation

Read More Thermal diffusivity is ____________________?
CHEMICAL ENGINEERING | Heat Transfer

Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by

Question: Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by
[A].

eddies current
[B].
conduction
[C].
convection
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by
Heat Transfer

Unit of thermal conductivity in S.I. units is__________________?

Unit of thermal conductivity in S.I. units is__________________?

A. J/m2 sec
B. J/m °K sec
C. W/m °K
D. A. and C. above
E. B. and C. above

Read More Unit of thermal conductivity in S.I. units is__________________?
Engineering Materials | Mechanical Engineering

In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.

Question: In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.
[A].

Correct
[B].
Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.
Hydraulic Machines | Mechanical Engineering

Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet)

Question: Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet)
[A].

Q = π.D.Vf
[B].
Q = π.b.Vf
[C].
Q = π.D.b.Vf
[D].
Q = D.b.Vf

Answer: Option C

Explanation:

No answer description available for this question.

Read More Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet)
Hydraulics and Fluid Mechanics | Mechanical Engineering

Coefficient of resistance is the ratio of

Question: Coefficient of resistance is the ratio of
[A].

actual velocity of jet at vena contracta to the theoretical velocity
[B].
area of jet at vena contracta to the area of orifice
[C].
loss of head in the orifice to the head of water available at the exit of the orifice
[D].
actual discharge through an orifice to the dieoretical discharge

Answer: Option C

Explanation:

No answer description available for this question.

Read More Coefficient of resistance is the ratio of

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