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Department of Mechanical Engineering
MS
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Question 1 : which one of followings is a ceramic material?
Option-1 :zinc
Option-2 :iron
Option-3 :silicon carbide
Option-4 :wood
Question 2 : which one of the followings is a organic material?
Option-1 :zinc
Option-2 :iron
Option-3 :silicon carbide
Option-4 :wood
Question 3 : which one of the followings is a ferrous materials?
Option-1 :zinc
Option-2 :iron
Option-3 :silicon carbide
Option-4 :wood
Question 4 : which one of the foolowings is a non-ferrous material?
Option-1 :zinc
Option-2 :iron
Option-3 :silicon carbide
Option-4 :wood
Question 5 : Whichn one of the followings statements is a wrong ?
Option-1 :The body- centered cubic space lattice os found in alpha-iron
Option-2 :A steel containing ferrite and pearlite is tough
Option-3 :A steel with 0-8% carbon is wholly pearlite
Option-4 :The lower critical tempertures is differnt for all steels
Question 6 : The completaion of austenite transition to ferrtiue and pearlite on iron - carbon equilibrium diafram is represented by
Option-1 :line A1
Option-2 :line Acm
Option-3 :line A3
Option-4 :none of the above
Question 7 : The face -centered cubic space lattice is formed in
Option-1 :alpha iron
Option-2 :beta iron
Option-3 :gamma iron
Option-4 :both (a) and (b]
Question 8 : which of the followings are used as tool materrial?
Option-1 :tool steels
Option-2 :carbon steels
Option-3 :cemented carbides
Option-4 :allof the above
Question 9 : which of the followings are the cast non-ferrous materials?
Option-1 :cobalt
Option-2 :gormet
Option-3 :stellite
Option-4 :all of the above
Question 10 : setllite is used for machining
Option-1 :steel
Option-2 :cast steel
Option-3 :cast iron
Option-4 :all of the above
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