Ic Engines And Nuclear Power Plants | Mechanical Engineering

In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.

Byadmin September 14, 2022

Question: In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
[A].

equal to

[B].

below

[C].

above

Answer: Option B

Explanation:

No answer description available for this question.

Engineering Mechanics | Mechanical Engineering

A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s2 in the direction of which it acts.

Question: A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s2 in the direction of which it acts.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s2 in the direction of which it acts.
Hydraulic Machines | Mechanical Engineering

For 450 m head of water, __________ shallbeused.

Question: For 450 m head of water, __________ shallbeused.
[A].

Pelton wheel
[B].
Kaplan turbine
[C].
Francis turbine
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More For 450 m head of water, __________ shallbeused.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

The C.O.P. of an absorption type refrigerator is given by (where T1 = Temperature at which the working substance receives heat, T2 = Temperature of cooling water, and T3 = Evaporator temperature)

Question: The C.O.P. of an absorption type refrigerator is given by (where T1 = Temperature at which the working substance receives heat, T2 = Temperature of cooling water, and T3 = Evaporator temperature)
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Read More The C.O.P. of an absorption type refrigerator is given by (where T1 = Temperature at which the working substance receives heat, T2 = Temperature of cooling water, and T3 = Evaporator temperature)
Machine Design | Mechanical Engineering

According to Indian standard specifications, a grey cast iron designated by ‘FG 200’ means that the

Question: According to Indian standard specifications, a grey cast iron designated by ‘FG 200’ means that the
[A].

carbon content is 2%
[B].
maximum compressive strength is 200 N/mm2
[C].
minimum tensile strength is 200 N/mm2
[D].
maximum shear strength is 200 N/mm2

Answer: Option C

Explanation:

No answer description available for this question.

Read More According to Indian standard specifications, a grey cast iron designated by ‘FG 200’ means that the
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In a four stroke cycle petrol engine, the inlet valve

Question: In a four stroke cycle petrol engine, the inlet valve
[A].

opens at top dead centre and closes at bottom dead centre
[B].
opens at 20° before top dead centre and closes at 40° after bottom dead centre
[C].
opens at 20° after top dead centre and closes at 20° before bottom dead centre id) may open or close anywhere

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a four stroke cycle petrol engine, the inlet valve
Hydraulics and Fluid Mechanics | Mechanical Engineering

A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.

Question: A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
[A].

True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.

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