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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 1
11.
The ability of a material to absorb energy in the plastic range is called
resilience
creep
fatigue strength
toughness
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Brass is an alloy of
copper and zinc
copper and tin
copper, tin and zinc
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
A material is said to be allotropic, if it has
fixed structure at all temperatures
atoms distributed in random pattern
different crystal structures at different temperatures
any one of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Closed packed hexagonal space lattice is found in
zinc, magnesium, cobalt, cadmium, antimony and bismuth
gamma-iron, aluminium, copper, lead, silver and nickel
alpha-iron, tungsten, chromium and molybdenum
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The hardness and tensile strength in austenitic stainless steel can be increased by
hardening and cold working
normalising
martempering
full annealing
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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