Ic Engines And Nuclear Power Plants | Mechanical Engineering

In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will __________ the knocking tendency.

Byadmin September 14, 2022

Question: In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will __________ the knocking tendency.
[A].

not effect

[B].

decrease

[C].

increase

Answer: Option C

Explanation:

No answer description available for this question.

Hydraulics and Fluid Mechanics | Mechanical Engineering

A fluid whose viscosity does not change with the rate of deformation or shear strain is known as

Question: A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
[A].

real fluid
[B].
ideal fluid
[C].
newtonian fluid
[D].
non-newtonian fluid

Answer: Option C

Explanation:

No answer description available for this question.

Read More A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
Machine Design | Mechanical Engineering

For hardening alloy steels and high speed steels, they are heated to

Question: For hardening alloy steels and high speed steels, they are heated to
[A].

500 to 600°C
[B].
700 to 900°C
[C].
1100 to 1300°C
[D].
1300 to 1500°C

Answer: Option C

Explanation:

No answer description available for this question.

Read More For hardening alloy steels and high speed steels, they are heated to
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

In jet propulsion power unit, the inlet duct of diverging shape is used for converting kinetic energy of air into pressure energy.

Question: In jet propulsion power unit, the inlet duct of diverging shape is used for converting kinetic energy of air into pressure energy.
[A].

True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More In jet propulsion power unit, the inlet duct of diverging shape is used for converting kinetic energy of air into pressure energy.
Industrial Engineering And Production Management | Mechanical Engineering

A systematic job improvement sequence will consist of

Question: A systematic job improvement sequence will consist of
[A].

motion study
[B].
time study
[C].
job enrichment
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More A systematic job improvement sequence will consist of
Engineering Mechanics | Mechanical Engineering

According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.

Question: According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
[A].

True
[B].
False

Answer: Option B

Explanation:

No answer description available for this question.

Read More According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

The air is delivered __________ in one revolution in case of a three-lobbed rotor.

Question: The air is delivered __________ in one revolution in case of a three-lobbed rotor.
[A].

two times
[B].
three times
[C].
four times
[D].
six times

Answer: Option D

Explanation:

No answer description available for this question.

Read More The air is delivered __________ in one revolution in case of a three-lobbed rotor.

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