In larger industrial and commercial reciprocating compression systems, refrigerent widely used is

Byadmin September 14, 2022

Question: In larger industrial and commercial reciprocating compression systems, refrigerent widely used is
[A].

ammonia

[B].

carbon dioxide

[C].

sulphur dioxide

[D].

R-12

Answer: Option A

Explanation:

No answer description available for this question.

Automobile Engineering | Mechanical Engineering

A basic difference between the spark ignition engine and the Diesel engine is that the

Question: A basic difference between the spark ignition engine and the Diesel engine is that the
[A].

Diesel engine compresses air alone instead of an air-fuel mixture
[B].
air temperature ignites the fuel in the Diesel engine
[C].
fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More A basic difference between the spark ignition engine and the Diesel engine is that the
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
Engineering Mechanics | Mechanical Engineering

Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

Question: Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Read More Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is
CHEMICAL ENGINEERING | Heat Transfer

Increasing the liquor level in the evaporator results in the

Question: Increasing the liquor level in the evaporator results in the
[A].

decreased capacity.
[B].
increase in liquor film co-efficient.
[C].
decreased effect of hydrostatic head.
[D].
increased true temperature drop.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Increasing the liquor level in the evaporator results in the
Engineering Materials | Mechanical Engineering

Micro-structure of a material is, generally, examined by

Question: Micro-structure of a material is, generally, examined by
[A].

naked eye
[B].
optical microscope
[C].
X-ray techniques
[D].
none of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More Micro-structure of a material is, generally, examined by
Engineering Materials | Mechanical Engineering

A steel is heated at about 875° C where the structure consists of entirely austenite. It is then cooled suddenly at a temperature of about 250° C to 525° C. This process of heat treatment is known as

Question: A steel is heated at about 875° C where the structure consists of entirely austenite. It is then cooled suddenly at a temperature of about 250° C to 525° C. This process of heat treatment is known as
[A].

normalising
[B].
annealing
[C].
austempering
[D].
martempering

Answer: Option C

Explanation:

No answer description available for this question.

Read More A steel is heated at about 875° C where the structure consists of entirely austenite. It is then cooled suddenly at a temperature of about 250° C to 525° C. This process of heat treatment is known as

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