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April 2021

State whether the following statement is true or false about electrolyte in ECM. “Machinability in ECM is enhanced, when electrolyte is heated.”

Question:

State whether the following statement is true or false about electrolyte in ECM. “Machinability in ECM is enhanced, when electrolyte is heated.”

A.

true

B.

false

Answer» a. true

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

State whether the following statement is true or false about electrolyte in ECM. “Machinability in ECM is enhanced, when electrolyte is heated.” Read More »

» Unconventional Machine Process (UMP) solved MCQs

A mass of 4kg rests on a horizontal plane. The plane is gradually inclined until at an angle θ= 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?

Question:

A mass of 4kg rests on a horizontal plane. The plane is gradually inclined until at an angle θ= 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?

A.

0.814

B.

0.27

C.

1.5

D.

3.5

Answer» b. 0.27

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

A mass of 4kg rests on a horizontal plane. The plane is gradually inclined until at an angle θ= 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface? Read More »

» Thermal Engineering 2 solved MCQs

The Prandtl Number approximates

Question:

The Prandtl Number approximates

A.

momentum diffusivity to thermal diffusivity

B.

thermal diffusivity to momentum diffusivity

C.

shear stress to thermal diffusivity

D.

thermal diffusivity to kinematic viscosity

Answer» a. momentum diffusivity to thermal diffusivity

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

The Prandtl Number approximates Read More »

» Thermal Engineering 2 solved MCQs