TRUE
FALSE
✅ The correct answer is option A.
Production Engineering MCQs
Relief angles on high speed steel tools usually vary from
0° to 3°
3° to 10°
10° to 20°
20° to 30°
✅ The correct answer is option B.
The chuck used for setting up of heavy and irregular shaped work should be
four jaw independent chuck
three jaw universal chuck
magnetic chuck
drill chuck
✅ The correct answer is option A.
The cutting speed is minimum while machining __________ with a high speed steel tool.
cast iron
mild steel
brass
aluminium
✅ The correct answer is option A.
Tool life is generally better when
grain size of the metal is large
grain size of the metal is small
hard constituents are present in the microstructure of the tool material
none of the above
✅ The correct answer is option A.
The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.25 to 25 mm size and at a cutting velocity of 18 m/min is
1.02
1.32
1.66
1.82
✅ The correct answer is option B.
Gears can be best produced on mass production by
shaping
casting
forming
hobbing
✅ The correct answer is option D.
The snag grinding is done
to produce good surface finish and high degree of accuracy
to remove considerable amount of metal without regard to accuracy of the finished surface
to grind exterior cylindrical surfaces
any one of the above
✅ The correct answer is option B.
Cutting fluid has no effect on the tool life.
TRUE
FALSE
✅ The correct answer is option B.
The lathe centres are provided with standard taper known as
Morse taper
Seller’s taper
Chapman taper
Brown and Sharpe taper
✅ The correct answer is option A.