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Mechanical Engineering

De-Laval turbine is a                          

Question:

De-Laval turbine is a                          

A.

multi rotor impulse turbine

B.

impulse reaction turbine

C.

single rotor impulse turbine

D.

none of the mentioned

Answer» c. single rotor impulse turbine

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

De-Laval turbine is a                           Read More »

» Thermal Engineering 2 solved MCQs

In the history of packaging of the food industry, which among these was never a material of packaging?

Question:

In the history of packaging of the food industry, which among these was never a material of packaging?

A.

bakelite

B.

pottery and vases

C.

iron and tin plated steel

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

In the history of packaging of the food industry, which among these was never a material of packaging? Read More »

» Principles of Food Preservation solved MCQs

In rocket engines the amount of expansion in Nozzle determines the                      

Question:

In rocket engines the amount of expansion in Nozzle determines the                      

A.

exit temperature

B.

exit pressure

C.

exit temperature & pressure

D.

none of the mentioned

Answer» c. exit temperature & pressure

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

In rocket engines the amount of expansion in Nozzle determines the                       Read More »

» Thermal Engineering 2 solved MCQs

Which of the following is a factor that affects the storage stability of food?

Question:

Which of the following is a factor that affects the storage stability of food?

A.

type of raw material used

B.

quality of raw material used

C.

method/effectiveness of packaging

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 is a factor that affects the storage stability of food? Read More »

» Principles of Food Preservation solved MCQs

One tonne of refrigeration is given as the rate of heat removal from surroundings equivalent to heat required for melting one tonne of ice in a day.

Question:

One tonne of refrigeration is given as the rate of heat removal from surroundings equivalent to heat required for melting one tonne of ice in a day.

A.

true

B.

false

Answer» a. true

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

One tonne of refrigeration is given as the rate of heat removal from surroundings equivalent to heat required for melting one tonne of ice in a day. Read More »

» Thermal Engineering 2 solved MCQs

Which of the following holds true for Pulsed Electric field?

Question:

Which of the following holds true for Pulsed Electric field?

A.

it has been successful in pasteurizing milk, yogurt, soup etc

B.

if there are no air bubbles present or the if food has low electrical conductivity, pef is non-applicable

C.

it’s a continuous process. it cannot be applied for non-pump able solid food products

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 holds true for Pulsed Electric field? Read More »

» Principles of Food Preservation solved MCQs