Engineering Materials | Mechanical Engineering

An alloy steel which is work hardenable and which is used to make the blades of bulldozers, bucket wheel excavators and other earth moving equipment contain iron, carbon and

Byadmin September 14, 2022

Question: An alloy steel which is work hardenable and which is used to make the blades of bulldozers, bucket wheel excavators and other earth moving equipment contain iron, carbon and
[A].

chromium

[B].

silicon

[C].

manganese

[D].

magnesium

Answer: Option C

Explanation:

No answer description available for this question.

Hydraulic Machines | Mechanical Engineering

If the ratio’s of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have.

Question: If the ratio’s of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have.
[A].

geometric similarity
[B].
kinematic similarity
[C].
dynamic similarity
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More If the ratio’s of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

Question: In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be
[A].

0.3
[B].
0.6
[C].
0.67
[D].
1.5

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be
Engineering Mechanics | Mechanical Engineering

The bodies which rebound after impact are called

Question: The bodies which rebound after impact are called
[A].

inelastic bodies
[B].
elastic bodies
[C].
neither elastic nor inelastic bodies
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More The bodies which rebound after impact are called
Ic Engines And Nuclear Power Plants | Mechanical Engineering

The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S – Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)

Question: The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S – Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)
[A].

[B].

[C].

[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S – Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)
Hydraulics and Fluid Mechanics | Mechanical Engineering

In case of flow through parallel pipes,

Question: In case of flow through parallel pipes,
[A].

the head loss for all the pipes is same
[B].
the total discharge is equal to the sum of discharges in the various pipes
[C].
the total head loss is the sum of head losses in the various pipes
[D].
Both (A) and (B)

Answer: Option D

Explanation:

No answer description available for this question.

Read More In case of flow through parallel pipes,
Engineering Mechanics | Mechanical Engineering

In actual machines, mechanical advantage is __________ velocity ratio.

Question: In actual machines, mechanical advantage is __________ velocity ratio.
[A].

equal to
[B].
less than
[C].
greater than

Answer: Option B

Explanation:

No answer description available for this question.

Read More In actual machines, mechanical advantage is __________ velocity ratio.

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