GATE ME 1988 | GATE ME Year Wise Previous Years Questions

GATE ME 1988

Fill in the Blanks

-0

In twist drills ......... (small/large) point angle and ........ (small/large) helix angle are provided for drilling soft, low strength steel.

GATE ME 1988

MCQ (Single Correct Answer)

-0.3

The standard specification of a grinding wheel is $$A-46-M-6-V-21.$$ It means a wheel of

Aluminium oxide of mesh size $$6$$

Boron carbide of mesh size $$46$$

Aluminium oxide of mesh size $$46$$

Silicon carbide of mesh size $$6$$

GATE ME 1988

MCQ (Single Correct Answer)

-0.3

Cutting speed in grinding is set to a high value to

Reduce the cutting time

Increase the bond strength

Improve cooling of job and wheel

Reduce the wheel wear

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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