A. Freon
B. H2SO4 (95%) at room temperature
C. H2SO4 (fuming)
D. Wet SO2
Materials and Construction
Materials and Construction
A. Steel
B. Cast iron
C. Stainless steel
D. Wrought iron
A. Normalising
B. Tempering
C. Annealing
D. Carburising
A. Molybdenum stainless steel
B. Mild steel
C. High silicon iron (14% Si)
D. Copper
A. Normalising
B. Tempering
C. Annealing
D. Carburising
A. Hydraulic press
B. Universal testing machine
C. Mechanical press
D. None of these
A. Steel
B. Karbate
C. Stainless steel
D. None of these
A. Molybdenum stainless steel
B. Tin
C. Mild steel
D. Aluminium
A. Wood
B. Stainless steel
C. Reinforced concrete lined with lead
D. High silicon iron (14% Si)
A. Chromium
B. Sulphur
C. Vanadium
D. Tungsten