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Engineering :: Engineering Materials


121.  Monel metal consists of
A. Nickel, lead and tin B. Zinc, copper and lead
C. Zinc nickel and copper D. Aluminium copper and nickel

122.  In compression, a prism of brittle material will break
A. Into large number of pieces B. By forming a bulge
C. By shearing slong oblique plane D. In a direction along the direction of load
E. None of the above    

123.  Hastalloy consists of
A. Nickel and copper B. Copper and aluminium
C. Aluminium and nickel D. Nickel and molybdenum
E. Nickel, copper and aluminium    

124.  Which is amorphous material out of the following?
A. Zinc B. Lead
C. Silver D. Brass
E. Glass    

125.  Hard steels and non-ferrous metal do not exhibit a definite yield point when pulled in the testing machine and for such cases a better measure of their elastic properties is defined by
A. Yield point stress B. Yield point strain
C. Proof stress D. Ultimate stress
E. None of the above    

126.  Brinell hardness number for nitrided steel is in the range
A. 60 to 80 B. 100 to 150
C. 200 to 300 D. 300 to 450
E. 700 to 800    

127.  The furnace used for castings of cast iron in a foundry shop is known as
A. Blast furnace B. Reverberatory furnace
C. Electric induction furnace D. Cupola
E. Muffle furnace    

128.  The machine used for determining tensile strength of steel is
A. Hydraulic jack B. Hydraulic press
C. Mechanical press D. Universal testing machine
E. None of the above    

129.  Pipes for bicycle frames are made of
A. Hot rolled steel B. Cold rolled steel
C. Cast iron D. Stainless steel
E. Carbon chrome steel    

130.  In drop forging the forging is done by
A. Dropping the workpiece at high velocity B. Dropping the hammer at high velocity
C. Dropping the die with hammer at high velocity D. Dropping a weight on hammer to produce requisite impact
E. None of the above    




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