A. Die
B. Investment
C. Slush
D. True centrifugal
Cast iron and steel pipes are produced by ____________ casting? Read More »
Materials and Construction A. Cast iron
B. Refractory blocks
C. Stainless steel
D. Lead lined steel
Urea autoclave is made of_________________? Read More »
Materials and Construction A. Steel drum
B. Stainless steel vessel
C. Cast iron vessel lined with acid-proof masonry brick
D. Cast iron vessel
Aqueous nitric acid is stored in________________? Read More »
Materials and Construction A. 1-5
B. 20-30
C. 100 -150
D. 200 – 250
A. Vanadium
B. Iron
C. Tungsten
D. Cobalt
Invar contains the highest percentage of___________________? Read More »
Materials and Construction A. 5
B. 10
C. 20
D. 0
Percentage of silver in German silver is__________________? Read More »
Materials and Construction A. Silicides
B. Oxides
C. Carbides
D. Nitrides
Which of the following is not used as the ceramic material in „cermets‟? Read More »
Materials and Construction A. Monel
B. Karbate
C. Cast iron
D. None of these
Brine (15% concentration) can be stored in a vessel made of____________________? Read More »
Materials and Construction A. Magnetic properties
B. Cutting hardness
C. Corrosion resistance
D. Ductility
Addition of tungsten to steel imparts___________________? Read More »
Materials and Construction A. Silicon
B. Nickel
C. Chrome
D. High speed
_____________ steel is widely used for the manufacture of motor car crankshafts? Read More »
Materials and Construction