1
GATE ME 1988
MCQ (Single Correct Answer)
+1
-0.3
Cutting speed in grinding is set to a high value to
A
Reduce the cutting time
B
Increase the bond strength
C
Improve cooling of job and wheel
D
Reduce the wheel wear
2
GATE ME 1988
MCQ (Single Correct Answer)
+1
-0.3
The standard specification of a grinding wheel is $$A-46-M-6-V-21.$$ It means a wheel of
A
Aluminium oxide of mesh size $$6$$
B
Boron carbide of mesh size $$46$$
C
Aluminium oxide of mesh size $$46$$
D
Silicon carbide of mesh size $$6$$
3
GATE ME 1988
Fill in the Blanks
+1
-0
In twist drills ......... (small/large) point angle and ........ (small/large) helix angle are provided for drilling soft, low strength steel.
4
GATE ME 1988
MCQ (Single Correct Answer)
+2
-0.6
Pure metal pose machinability problem in turning operations. The reason is the
A
Increased length of contact due to the production of continuous chip
B
Susceptibility to chemical reactions
C
Tendency to form intense adhesion joint with the tool face
D
Absence of inclusions which aids chip formation
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12