GATE ME 1988 | GATE ME Year Wise Previous Years Questions

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GATE ME 1988

MCQ (Single Correct Answer)

-0.3

If the load on a ball bearing is reduced to half, the life of the ball bearing will

increase $$8$$ times

increase $$4$$ times

increase $$2$$ times

not change

GATE ME 1988

MCQ (Single Correct Answer)

-0.3

The contraction allowance provided on the pattern and core boxes compensates for the following type of contraction.

Liquid contraction

Solidification contraction

Solid contraction

All the above three types of contractions.

GATE ME 1988

MCQ (Single Correct Answer)

-0.3

The ideal cutting fluid for low speed machining of metals should be one which

removes the heat faster from the cutting zone,

forms a coating on the cutting tool by chemical reaction

forms a low shear strength film of work material at the tool chip interface

serves as a dielectric minimizing thereby reactions due to $$EMF$$ at the interface

GATE ME 1988

MCQ (Single Correct Answer)

-0.6

Pure metal pose machinability problem in turning operations. The reason is the

Increased length of contact due to the production of continuous chip

Susceptibility to chemical reactions

Tendency to form intense adhesion joint with the tool face

Absence of inclusions which aids chip formation

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