Engineering Mechanics | Mechanical Engineering

If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys

Byadmin September 14, 2022

Question: If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys
[A].

first

[B].

second

[C].

third

Answer: Option B

Explanation:

No answer description available for this question.

Engineering Materials | Mechanical Engineering

Connecting rod is, usually, made from

Question: Connecting rod is, usually, made from
[A].

low carbon steel
[B].
high carbon steel
[C].
medium carbon steel
[D].
high speed steel

Answer: Option C

Explanation:

No answer description available for this question.

Read More Connecting rod is, usually, made from
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In counter-current flow heat exchangers

Question: In counter-current flow heat exchangers
[A].

both the fluids at inlet are in their hottest state
[B].
both the fluids at inlet are in their coldest state
[C].
both the fluids at exit are in their hottest state
[D].
one fluid is coldest and the other is hottest at inlet

Answer: Option A

Explanation:

No answer description available for this question.

Read More In counter-current flow heat exchangers
Industrial Engineering And Production Management | Mechanical Engineering

For a small scale industry, the fixed cost per month is Rs. 5000. The variable cost per product is Rs. 20 and sales price is Rs. 30 per piece. The break even production per month will be

Question: For a small scale industry, the fixed cost per month is Rs. 5000. The variable cost per product is Rs. 20 and sales price is Rs. 30 per piece. The break even production per month will be
[A].

300
[B].
460
[C].
500
[D].
1000

Answer: Option C

Explanation:

No answer description available for this question.

Read More For a small scale industry, the fixed cost per month is Rs. 5000. The variable cost per product is Rs. 20 and sales price is Rs. 30 per piece. The break even production per month will be
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as

Question: A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as
[A].

[B].

[C].
AU Cmin
[D].

Answer: Option D

Explanation:

No answer description available for this question.

Read More A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as
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)
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In petrol engines, the delay period is of the order of

Question: In petrol engines, the delay period is of the order of
[A].

0.001 second
[B].
0.002 second
[C].
0.003 second
[D].
0.004 second

Answer: Option B

Explanation:

No answer description available for this question.

Read More In petrol engines, the delay period is of the order of

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