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Mechanical Engineering

The ratio of the useful heat drop to the isentropic heat drop is called                          

» Thermal Engineering 2 solved MCQs /
Question:

The ratio of the useful heat drop to the isentropic heat drop is called                          

A.

condenser efficiency

B.

nozzle efficiency

C.

vacuum efficiency

D.

boiler efficiency

Answer» b. nozzle efficiency

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

The ratio of the useful heat drop to the isentropic heat drop is called                           Read More »

» Thermal Engineering 2 solved MCQs

Which of the given reasons, is NOT a valid reason for packaging of food items?

» Principles of Food Preservation solved MCQs /
Question:

Which of the given reasons, is NOT a valid reason for packaging of food items?

A.

security and portion control

B.

marketing and convenience

C.

protection and information transmission

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. 

Which of the given reasons, is NOT a valid reason for packaging of food items? Read More »

» Principles of Food Preservation solved MCQs

In a simple band brake, when direction of rotation of drum is changed from counter clockwise direction, the braking torque____.

» Theory of Mechanics solved MCQs /
Question:

In a simple band brake, when direction of rotation of drum is changed from counter clockwise direction, the braking torque____.

A.

remains unchanged

B.

is increased

C.

is decreased

D.

is unpredictable

Answer» b. is increased

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

In a simple band brake, when direction of rotation of drum is changed from counter clockwise direction, the braking torque____. Read More »

» Theory of Mechanics solved MCQs

Which turbines are employed for driving alternator at synchronous speed?

» Thermal Engineering 2 solved MCQs /
Question:

Which turbines are employed for driving alternator at synchronous speed?

A.

central station turbine

B.

reheating turbine

C.

extraction turbine

D.

extraction induction turbine

Answer» a. central station turbine

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

Which turbines are employed for driving alternator at synchronous speed? Read More »

» Thermal Engineering 2 solved MCQs

How are active liquids of nuclear waste disposed?

» Power Plant Engineering (PPE) solved MCQs /
Question:

How are active liquids of nuclear waste disposed?

A.

stored in concrete tanks and buried underground

B.

stored in concrete tanks and buried in sea

C.

mixed with other chemicals and left into free atmosphere

D.

they are reused and burnt away in gaseous fumes

Answer» a. stored in concrete tanks and buried underground

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

How are active liquids of nuclear waste disposed? Read More »

» Power Plant Engineering (PPE) solved MCQs

Which among the following is an assumption of the compressible flow?

» Thermal Engineering 2 solved MCQs /
Question:

Which among the following is an assumption of the compressible flow?

A.

resistance to flow of object

B.

no-slip condition

C.

known mass flow rate

D.

resistance to flow of heat

Answer» b. no-slip condition

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

Which among the following is an assumption of the compressible flow? Read More »

» Thermal Engineering 2 solved MCQs

Which type of damage is caused by deterioration which is caused by spark?

» Unconventional Machine Process (UMP) solved MCQs /
Question:

Which type of damage is caused by deterioration which is caused by spark?

A.

reparable

B.

irreparable

C.

all of the mentioned

D.

none of the mentioned

Answer» b. irreparable

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

Which type of damage is caused by deterioration which is caused by spark? Read More »

» Unconventional Machine Process (UMP) solved MCQs