A. 63 to 67% nickel and 30% copper
B. 88% copper and 10% tin and rest zinc
C. alloy of tin, lead and cadmium
D. malleable iron and zinc
E. none of the above
Mechanical Engineering Mcqs
Mechanical Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Machine Design, Theory of Machines, Hydraulic Machines etc.
A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
B. 92.5% aluminium, 40% copper, 2% nickel, and 1.5% Mg
C. 10% aluminium and 90% copper
D. 90% magnesium and 9% aluminium with some copper
E. 94% aluminium and 6% tin
A. 0.5% of phosphorous
B. 1% phosphorous
C. 2.5% phosphorous
D. 5% phosphorous
E. none of the above
A. copper, zinc and iron
B. iron, nickel and copper
C. iron, lead and tin
D. iron, aluminium and magnesium
E. copper, zinc and antimony
A. white metal
B. solder admiralty
C. fusible metal
D. phosphor bronze
E. gun metal
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. iron
B. copper
C. aluminium
D. zinc
E. nickel
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. copper and tin
B. copper and zinc
C. copper and iron
D. copper and nickel
E. copper and chromium
A. 1% silver
B. 2.5% silver
C. 5% silver
D. 10% silver
E. 100% silver
