Which of the following is the most elastic material? Steel Glass Rubber Plastic TRUE ANSWER : ? YOUR ANSWER : ?
Ability of a material to __________ is indicated by its damping capacity. None of these Absorb vibration Withstand compression Absorb shock TRUE ANSWER : ? YOUR ANSWER : ?
Lead Is the hardest metal in common use Can not be work hardened Is the lightest metal in common use Can not be scratched by finger nails TRUE ANSWER : ? YOUR ANSWER : ?
Constantan used in thermocouples is an alloy of None of these Iron & copper Lead & tin Copper & aluminium TRUE ANSWER : ? YOUR ANSWER : ?
Maximum consumption of copper is in Electrical industry Utensil manufacture Small scale industries Industrial equipment manufacture TRUE ANSWER : ? YOUR ANSWER : ?
Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Arsenic Bismuth Oxygen Antimony TRUE ANSWER : ? YOUR ANSWER : ?
Steel tower used for the storage of oleum Is lined with lead Need not be lined Is lined with rubber Is lined with acid-proof bricks TRUE ANSWER : ? YOUR ANSWER : ?
In the kraft (sulphate) process for the paper manufacture, the digestor is made of Stainless steel Cast iron Wrought iron Karbate carbon TRUE ANSWER : ? YOUR ANSWER : ?
Concentrated HCl at 30°C can be stored in a vessel made of PTFE and porcelain None of these Stainless steel and high silicon cast iron Cast iron and aluminium TRUE ANSWER : ? YOUR ANSWER : ?
Wrought iron is Malleable & ductile; and hence is used for chain links, hooks & couplings An alloy of iron, chromium & carbon Highly resistance to acid corrosion High carbon iron TRUE ANSWER : ? YOUR ANSWER : ?