- (A) chromium and nickel
- (B) nickel and molybdenum
- (C) aluminium and zinc
- (D) tungsten and sulfur
- (E) none of the above
Mechanical Engineering Mcqs
- (A) tin, lead and small percentage of antimony
- (B) tin and lead
- (C) tin, lead and silver
- (D) tin and copper
- (E) tin, copper and lead
- (A) 70% copper and 30% zinc
- (B) 90% copper and 10% tin
- (C) 85-92% copper and rest tin with little lead and nickel
- (D) 70-75% copper and rest tin
- (E) 70% copper and 30% tin
- (A) improvement of casting characteristics
- (B) improvement of corrosion resistance
- (C) one of the best known age and precipitation-hardening systems
- (D) improving machinability
- (E) none of the above
- (A) modulus of elasticity is fairly low
- (B) wear resistance is very good
- (C) fatigue strength is not high
- (D) creep strength limits its use to fairly low temperatures
- (E) corrosion resistance is good
- (A) 63 to 67% nickel and 30% copper
- (B) 88% copper, 10% tin and rest zinc
- (C) alloy of tin, lead and cadmium
- (D) iron scrap and zinc
- (E) none of the above
- (A) are used where ease in machining is the criterion
- (B) contain carbon in free form
- (C) require least cutting force
- (D) do not exist
- (E) can be cut freely even under adverse conditions
- (A) kind of stainless steel
- (B) none ferrous alloy
- (C) polymer
- (D) cutting tool material
- (E) nickel and iron alloy having high permeability
- (A) nichrome
- (B) invar
- (C) magnin
- (D) elinvar
- (E) peiminvar
- (A) 70% copper and 30% zinc
- (B) 90% copper and 10% tin
- (C) 85-92% copper and rest tin with little lead and nickel
- (D) 70-78% copper and rest tin
- (E) 85-92% copper and rest zinc
