A. 746
B. 3000
C. 1000
D. 550
A. 4
B. 8
C. 14
D. 20
Silicon percentage in acid resistant cast iron is about ___________________? Read More »
Chemical Engineering Basics A. Decreases
B. Increases
C. Remain same
D. May increase or decrease; depends on the altitude where snow melts
A. Carburising
B. Nitriding
C. Cyaniding
D. Annealing
_______________ is not a case hardening process ? Read More »
Chemical Engineering Basics A. Lignite & anthracite coal
B. Lignite & coal gas
C. Petrol & diesel
D. Coal gas & natural gas
Calorific value of ____________________ are almost same? Read More »
Chemical Engineering Basics A. The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3
B. Approximately 80% of the aluminium deposited on the cathode comes from cryolite
C. Sodium is deposited along with aluminium, but is immediately vaporised
D. Anode effect sets in when the cryolite concentration goes below 40%.
A. Iron ore & coke
B. Iron ore, coke & air
C. Limestone, coke & iron ore
D. Limestone, sand & iron ore
The main charge in blast furnace is usually___________________? Read More »
Chemical Engineering Basics A. Pitot tube
B. Hot wire anemometer
C. Rotameter
D. Stroboscope
A. 0.01 to 0.10
B. 0.2 to 0.4
C. 0.5 to 0.7
D. 0.8 to 1.0
A. Stainless steel
B. Mild steel
C. High speed steel
D. High carbon steel
