Engineering Mechanics | Mechanical Engineering

In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.

Byadmin September 14, 2022

Question: In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.
[A].

less than

[B].

equal to

[C].

more than

Answer: Option A

Explanation:

No answer description available for this question.

Industrial Engineering And Production Management | Mechanical Engineering

A feasible solution to the linear programming problem should

Question: A feasible solution to the linear programming problem should
[A].

satisfy the problem constraints
[B].
optimise the objective function
[C].
satisfy the problem constraints and non-negativity restrictions
[D].
satisfy the non-negativity restrictions

Answer: Option C

Explanation:

No answer description available for this question.

Read More A feasible solution to the linear programming problem should
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = By-pass factor)

Question: In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = By-pass factor)
[A].

B.P.F. – 1
[B].
1 – B.P.F.
[C].

[D].
1 + B.RF.

Answer: Option B

Explanation:

No answer description available for this question.

Read More In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = By-pass factor)
Hydraulics and Fluid Mechanics | Mechanical Engineering

In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

Question: In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
[A].

less than
[B].
more than

Answer: Option A

Explanation:

No answer description available for this question.

Read More In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
Industrial Engineering And Production Management | Mechanical Engineering

If (R) is the base rate guaranteed per hour, (S) is the standard time for the job and (T) is the actual time, then according to Rowan plan, wages for the job will be

Question: If (R) is the base rate guaranteed per hour, (S) is the standard time for the job and (T) is the actual time, then according to Rowan plan, wages for the job will be
[A].

TR
[B].

[C].
TR + (S – T)R
[D].

Answer: Option D

Explanation:

No answer description available for this question.

Read More If (R) is the base rate guaranteed per hour, (S) is the standard time for the job and (T) is the actual time, then according to Rowan plan, wages for the job will be
Engineering Mechanics | Mechanical Engineering

A framed structure is perfect, if the number of members are __________ (2j – 3), where j is the number of joints.

Question: A framed structure is perfect, if the number of members are __________ (2j – 3), where j is the number of joints.
[A].

equal to
[B].
less than
[C].
greater than
[D].
either (b) or (c)

Answer: Option A

Explanation:

No answer description available for this question.

Read More A framed structure is perfect, if the number of members are __________ (2j – 3), where j is the number of joints.
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In a four stroke engine, the working cycle is completed in

Question: In a four stroke engine, the working cycle is completed in
[A].

one revolution of the crankshaft
[B].
two revolutions of the crankshaft
[C].
three revolutions of the crankshaft
[D].
four revolutions of the crankshaft

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a four stroke engine, the working cycle is completed in

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