The C.O.P. of a Carnot refrigerator in winter will be __________ as compared to C.O.P. in summer.

Byadmin September 14, 2022

Question: The C.O.P. of a Carnot refrigerator in winter will be __________ as compared to C.O.P. in summer.
[A].

same

[B].

lower

[C].

higher

Answer: Option C

Explanation:

No answer description available for this question.

Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

The capillary tube, as an expansion device, is used in

Question: The capillary tube, as an expansion device, is used in
[A].

domestic refrigerators
[B].
water coolers
[C].
room air conditioners
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More The capillary tube, as an expansion device, is used in
Hydraulics and Fluid Mechanics | Mechanical Engineering

Coefficient of velocity is defined as the ratio of

Question: Coefficient of velocity is defined as 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].
actual discharge through an orifice to the theoretical discharge
[D].
none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Read More Coefficient of velocity is defined as the ratio of
Engineering Materials | Mechanical Engineering

Dye penetrant method is generally used to locate

Question: Dye penetrant method is generally used to locate
[A].

core defects
[B].
surface defects
[C].
superficial defects
[D].
temporary defects

Answer: Option B

Explanation:

No answer description available for this question.

Read More Dye penetrant method is generally used to locate
CHEMICAL ENGINEERING | Heat Transfer

In evaporators, lowering the feed temperature

Question: In evaporators, lowering the feed temperature
[A].

increases the heating area required.
[B].
reduces the economy.
[C].
both (a) and (b).
[D].
decreases the heating area required.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In evaporators, lowering the feed temperature
Ic Engines And Nuclear Power Plants | Mechanical Engineering

A two stroke cycle engine gives __________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.

Question: A two stroke cycle engine gives __________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
[A].

half
[B].
same
[C].
double
[D].
four times

Answer: Option C

Explanation:

No answer description available for this question.

Read More A two stroke cycle engine gives __________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
CHEMICAL ENGINEERING | Heat Transfer

In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of

Question: In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
[A].

concentrations
[B].
chemical potentials
[C].
activity co-efficients
[D].
mass transfer co-efficients

Answer: Option A

Explanation:

No answer description available for this question.

Read More In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of

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