A. Refractory
B. Reinforced
C. Abrasive
D. Fully metallic
Cermets are ______________ materials? Read More »
Materials and Construction A. Aluminium
B. Nickel clad steel
C. Lead lined steel
D. Glass lined steel
Molten phthalic anhydride is stored in a/an _______________ vessel? Read More »
Materials and Construction A. Tungsten, vanadium and chromium
B. Tungsten, chromium and vanadium
C. Vanadium, chromium and tungsten
D. Chromium, tungsten and vanadium
18-4-1 high speed steel contains 18%, 4% and 1% respectively of____________________? Read More »
Materials and Construction A. Non-ferrous metals
B. Non-metals
C. Low carbon steels
D. Stainless steel
Generally _____________ are subjected to galvanising (i.e., zinc coating)? Read More »
Materials and Construction A. Monel metal
B. Dow metal
C. German silver
D. Babbitt metal
Which of the following is a light alloy ? Read More »
Materials and Construction A. Meehanite
B. Magnalium
C. Gun metal
D. Muntz metal
Which of the following is not a non-ferrous alloy ? Read More »
Materials and Construction A. Copper
B. Copper alloys
C. Stainless steel
D. Monel
A. Cast iron and high silicon iron
B. Mild steel and stainless steel
C. Aluminium, tin and rubber
D. Teflon, glass and porcelain
100% H2SO4 at 30°C can’t be stored in a vessel made/lined with ___________________? Read More »
Materials and Construction A. Enough plasticity
B. Low thermal conductivity
C. Low co-efficient of friction
D. High toughness
A bearing metal should not have___________________? Read More »
Materials and Construction A. Prevent its rusting by contact with corrosive atmosphere
B. Protect the base metal by cathodic protection
C. Both A. & B.
D. Neither A. nor B.
Galvanising (i.e., zinc coating) of steel sheets is done to______________________? Read More »
Materials and Construction