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Mechanical Engineering

If mach number is less than one then its flow is                              

» Thermal Engineering 2 solved MCQs /
Question:

If mach number is less than one then its flow is                              

A.

subsonic flow

B.

turbulent flow

C.

laminar flow

D.

none of the mentioned

Answer» a. subsonic flow

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

If mach number is less than one then its flow is                               Read More »

» Thermal Engineering 2 solved MCQs

A scooter weighs 120kg f. Brakes are applied so that wheels stop rolling and start skidding. Find the force of friction if the coefficient of friction is 0.4.

» Thermal Engineering 2 solved MCQs /
Question:

A scooter weighs 120kg f. Brakes are applied so that wheels stop rolling and start skidding. Find the force of friction if the coefficient of friction is 0.4.

A.

60kg f

B.

48kg f

C.

25kg f

D.

32kg f

Answer» b. 48kg f

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

A scooter weighs 120kg f. Brakes are applied so that wheels stop rolling and start skidding. Find the force of friction if the coefficient of friction is 0.4. Read More »

» Thermal Engineering 2 solved MCQs

What happens due to high temperature of feeds water in the economizer?

» Thermal Engineering 2 solved MCQs /
Question:

What happens due to high temperature of feeds water in the economizer?

A.

fuel consumption increases

B.

fuel mechanical efficiency increases

C.

fuel consumption decreases

D.

fuel mechanical efficiency decreases

Answer» c. fuel consumption decreases

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

What happens due to high temperature of feeds water in the economizer? Read More »

» Thermal Engineering 2 solved MCQs

Which liquid fuel has a wider composition than diesel and used in furnaces of oil fired boiler?

» Thermal Engineering 2 solved MCQs /
Question:

Which liquid fuel has a wider composition than diesel and used in furnaces of oil fired boiler?

A.

fuel oil

B.

petrol

C.

distillate

D.

alcohol

Answer» a. fuel oil

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

Which liquid fuel has a wider composition than diesel and used in furnaces of oil fired boiler? Read More »

» Thermal Engineering 2 solved MCQs

When the electrolyte flow is low, what happens to the current efficiency?

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

When the electrolyte flow is low, what happens to the current efficiency?

A.

increases

B.

decreases

C.

remains same

D.

increase and then decrease

Answer» b. decreases

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

When the electrolyte flow is low, what happens to the current efficiency? Read More »

» Unconventional Machine Process (UMP) solved MCQs

Too small gap causes which of the following effects?

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

Too small gap causes which of the following effects?

A.

sparking

B.

short circuit

C.

sparking & short circuit

D.

none of the mentioned

Answer» c. sparking & short circuit

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

Too small gap causes which of the following effects? Read More »

» Unconventional Machine Process (UMP) solved MCQs