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Mechanical Engineering

Which of the following is true about Sound Ultrasound?

» Principles of Food Preservation solved MCQs /
Question:

Which of the following is true about Sound Ultrasound?

A.

generates mechanical energy to enhance chemical action on surfaces

B.

scrubbing action loosens the dirt particles and cleans the food particle

C.

generates mechanical energy to enhance chemical action on surfaces & scrubbing action loosens the dirt particles and cleans the food particle

D.

none of the mentioned

Answer» c. generates mechanical energy to enhance chemical action on surfaces & scrubbing action loosens the dirt particles and cleans the food particle

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

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» Principles of Food Preservation solved MCQs

In velocity compounded turbines flow passage is from                          

» Thermal Engineering 2 solved MCQs /
Question:

In velocity compounded turbines flow passage is from                          

A.

moving blades to fixed nozzles

B.

fixed nozzles to moving blades

C.

fixed blades to moving nozzles

D.

none of the mentioned

Answer» d. none of the mentioned

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

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» Thermal Engineering 2 solved MCQs

Which of the following operations occur in a vapour refrigeration cycle?

» Thermal Engineering 2 solved MCQs /
Question:

Which of the following operations occur in a vapour refrigeration cycle?

A.

compression

B.

cooling and condensing

C.

expansion and evaporation

D.

all of the mentioned

Answer» d. all of the mentioned

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Which of the following operations occur in a vapour refrigeration cycle? Read More »

» Thermal Engineering 2 solved MCQs

Coefficient of discharge is _____________

» Thermal Engineering 2 solved MCQs /
Question:

Coefficient of discharge is _____________

A.

directly proportional to coefficient of discharge

B.

inversely proportional to square of the coefficient of discharge

C.

inversely proportional to coefficient of discharge

D.

directly proportional to square of coefficient of discharge

Answer» b. inversely proportional to square of the coefficient of discharge

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

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» Thermal Engineering 2 solved MCQs

Pass-out turbines are used in which of these cases?

» Thermal Engineering 2 solved MCQs /
Question:

Pass-out turbines are used in which of these cases?

A.

relatively high back pressure

B.

small heating requirement

C.

only relatively low back pressure

D.

both relatively high back pressure and small heating requirement

Answer» d. both relatively high back pressure and small heating requirement

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

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» Thermal Engineering 2 solved MCQs

The top of the body provides guideways for             

» Process Planning and Cost Estimation solved MCQs /
Question:

The top of the body provides guideways for             

A.

ram

B.

crossrail

C.

can’t say anything

D.

none of the mentioned

Answer» a. ram

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

The top of the body provides guideways for              Read More »

» Process Planning and Cost Estimation solved MCQs