Manufacturing And Production Technology MCQ Questions & Answers | Mechanical Engineering

A. Zero rake angle

B. Positive rake angle

C. Negative rake angle

D. Point angle

A. Between the upper and lower critical temperature and cooled in still air.

B. Above the upper critical temperature and cooled in furnace.

C. Above the upper critical temperature and cooled in still air.

D. Between the upper and lower critical temperature and cooled in furnace.

A. Wear of bond

B. Breaking of abrasive grains

C. Wear of abrasive grains

D. Cracks on grinding wheel

A. 3000 welds/min, 75 mm/min

B. 600 welds/min, 1500 mm/min

C. 500 welds/min, 1250 mm/min

D. 22 welds/min, 55 mm/min

A. Equal to 30°

B. Less than 30°

C. More than 30°

D. None of these

A. Increase in the effective rake angle and a decrease in the effective clearance angle

B. Increase in both effective rake angle and effective clearance angle

C. Decrease in the effective rake angle and an increase in the effective clearance angle

D. Decrease in both effective rake angle and effective clearance angle

A. Carbide, ceramic, cermet, borazon

B. Ceramic, carbide, borazon, cermet

C. Cermet, carbide, ceramic, borazon

D. Borazon, ceramic, carbide, cermet

A. Grain size of the metal is large

B. Grain size of the metal is small

C. Hard constituents are present in the micro-structure of the tool material

D. None of the above

A. 2 to 3 times lower

B. 2 to 3 times higher

C. 5 to 8 times higher

D. 8 to 20 times higher

A. Morse taper

B. Seller's taper

C. Chapman taper

D. Brown and Sharpe taper