A. Chromium
B. Vanadium
C. Cobalt
D. Molybdenum
______________ can replace tungsten in high speed steel ? Read More »
Materials and Construction A. White-bearing metal
B. Pewter type metal
C. Soft solder
D. German silver
Which of the following is not an alloy of tin ? Read More »
Materials and Construction A. Yield point
B. Ductility
C. Ultimate tensile strength (UTS)
D. None of these
When the steel is subjected to normalising, its ______________ decreases? Read More »
Materials and Construction A. PTFE and porcelain
B. Cast iron and aluminium
C. Stainless steel and high silicon cast iron
D. None of these
Concentrated HCl at 30°C can be stored in a vessel made of ________________________? Read More »
Materials and Construction A. Copper, nickel and zinc
B. Copper, aluminium and silver
C. Silver, zinc and aluminium
D. Silver, nickel and zinc
German silver in an alloy of________________? Read More »
Materials and Construction A. Decreases its tensile strength
B. Decreases its ductility
C. Increases its ductility
D. Does not affect its ductility
Work hardening of a material ________________? Read More »
Materials and Construction A. Cobalt
B. Zinc
C. Nickel
D. None of these
Which of the following is a non-magnetic material ? Read More »
Materials and Construction A. Austenitic
B. Ferritic
C. Martensitic
D. None of these
18/8 steel is a/an __________ stainless steel ? Read More »
Materials and Construction A. Anhydrous ammonia
B. Aromatic solvents
C. Synthetic detergent solution
D. None of these
Tin vessels are corroded by____________________? Read More »
Materials and Construction A. Dilute HCI
B. Acetic acid
C. Concentrated H2SO4
D. None of these
