A. hot working
B. tempering
C. normalising
D. annealing
E. special heat treatment
A. RC 65
B. RC 48
C. RC 57
D. RC 80
E. RC 32
A. formation of bainite structure
B. carburised structure
C. martenistic structure
D. lamellar layers of carbide distributed throughout the structure
E. relieving of stresses throughout a component
A. hardening surface of workpiece to ob-tain hard and wear resistant surface
B. heating and cooling rapidly
C. increasing hardness throughout
D. inducing hardness by continuous process
E. hardening core
A. tin, antimony, copper
B. tin and copper
C. tin and lead
D. lead and zinc
E. lead and copper
A. nickel, chromium and iron
B. nickel, copper
C. nickel, chromium
D. nickel, zinc
E. nickel, lead
A. mild steel
B. cast iron
C. H.S.S.
D. high carbon
E. german silver
A. silver and some impurities
B. refined silver
C. nickel, copper and zinc
D. nickel and copper
E. silver and gold
A. aluminium, copper etc
B. nickel, molybdenum etc
C. nickel, copper, etc
D. all of the above
E. none of the above
A. sulphur, lead, phosphorous
B. silicon, aluminium, titanium
C. vanadium, aluminium
D. chromium, nickel
E. lubricants