Mechanical Engineering MCQs

A. Cast iron
B. Vitrified clay
C. Asbestos cement
D. Concrete

A. Ferrite and cementite
B. Cementite and gamma iron
C. Ferrite and austenite
D. Ferrite and iron graphite

A. Purification of metal
B. Grain refinement
C. Working at lower temperature
D. All of the above

A. Greater than 7
B. Equal to 7
C. Less than 7
D. Ph value has nothing to do with basic solution

A. Greater than 7
B. Less than 7
C. Equal to 7
D. Ph value has nothing to do with neutral solution

A. 87.75% sn, 4% cu, 8% sb, 0.25% bi
B. 90% sn, 2% cu, 4% sb, 2% bi, 2% mg
C. 87% sn, 4% cu, 8% sb, 1% al
D. 82% sn, 4% cu, 8% sb, 3% al, 3% mg

A. mild steel
B. german silver
C. lead
D. cast iron

A. 94% aluminium, 4% copper and 0.5% mn, mg, si and fe
B. 92.5% aluminium, 4% copper, 2% nickel, and 1.5% mg
C. 10% aluminium and 90% copper
D. 90% magnesium and 9% aluminium with some copper

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. Silver and chromium

A. Magnesium alloys
B. Titanium alloys
C. Chromium alloys
D. Magnetic steel alloys