increasing the centre distance of bull gear and crank pin
decreasing the centre distance of bull gear and crank pin
increasing the length of the arm
decreasing the length
✅ The correct answer is option A.
Production Engineering MCQs
The structure of a grinding wheel depends upon
hardness of the material being ground
nature of the grinding operation
finish required
all of these
✅ The correct answer is option D.
In drilling brass, a drill with
zero helix angle is used
low helix angle is used
high helix angle is used
any helix angle can be
✅ The correct answer is option B.
In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called
friction zone
work-tool contact zone
shear zone
none of these
✅ The correct answer is option A.
The method of grinding used to produce internal cylindrical holes and tapers, is
internal cylindrical grinding
form grinding
external cylindrical grinding
surface grinding
✅ The correct answer is option A.
In order to grind soft material
coarse grained grinding wheel is used
fine grained grinding wheel is used
medium grained grinding wheel is used
any one of these
✅ The correct answer is option A.
In electro-discharge machining, the tool is connected to cathode.
Correct
Incorrect
✅ The correct answer is option A.
The factor considered for evaluation of machinability is
cutting forces and power consumption
tool life
type of chips and shear angle
all of these
✅ The correct answer is option D.
The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
helix or rake angle
point angle
chisel edge angle
lip clearance angle
✅ The correct answer is option A.
In continuous chip cutting, the maximum heat __________ the velocity of cutting.
depends upon
does not depend upon
✅ The correct answer is option A.