IndiaBIX

Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 6
16.
The casting ability of aluminium increases when __________ is added to aluminium.
copper
magnesium
silicon
lead and bismuth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Manganese bronze has
good wearing qualities and high elasticity
high yield point, high fatigue limit and excellent cold and hot corrosion resistance
high resistance to corrosion
valuable cold working property
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
A steel is heated at about 875° C where the structure consists of entirely austenite. It is then cooled suddenly at a temperature of about 250° C to 525° C. This process of heat treatment is known as
normalising
annealing
austempering
martempering
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Silicon bronze contains
60% copper, 35% zinc and 5% manganese
88% copper, 10% tin and 2% zinc
96% copper, 3% silicon and 1% manganese
76% copper, 20% silicon and 4% zinc
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
In acidic bessemer process, the furnace is lined with
silica bricks
a mixture of tar and burnt dolomite bricks
either (a) or (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers