Production Engineering MCQs

bevelling the extreme end of a workpiece

embossing a diamond shaped pattern on the surface of a workpiece

reducing the diameter of a workpiece over a very narrow surface

enlarging the end of a

diamond is very hard and wear resistant

it occupies very little space

it helps in assembly with tolerance on centre distance

it has a long life

thread cutting

turning a work of larger diameter

turning a hard or tough material

all of these

15 to 19 m/min

25 to 31 m/min

60 to 90 m/min

90 to 120 m/min

only hob rotates

only gear blank rotates

both hob and gear blank rotates

neither hob nor gear b

gang milling

straddle milling

string milling

side milling

increase machining accuracy

facilitate interchangeability

decrease expenditure on quality control

all of these

slow speed

high speed

any speed

certain specific speed

90°

118°

135°

150°

negative rake angle

positive rake angle

any rake angle

no rake angle