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ISRO ME Quiz : Material Science
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Question 1
The defect responsible for the phenomenon of slip, by which most metals deform plastically, is known as
Question 2
On loading a ductile material in excess of a certain value, gradual increase in elongation occurs with time. Such phenomenon is known as
Question 3
Which of the following has maximum hardness
Question 4
In Zinc Blende structure each atom is surrounded by four atoms of the opposite kind which are located at the corners of which one of the following?
Question 5
Vanadium in high speed steel:
Question 6
What is the diameter of the largest sphere in terms of lattice parameter a, which will fit the void at the centre of the cube edge of a BCC crystal?
Question 7
Resilience of a material becomes important when it is subjected to
Question 8
Match List-I (Composition) with List-II (Application) and select the correct answer using the codes give below the lists:
List-I
[A]. Commercial bronze (10% Zn)
[B]. Red brass (15% Zn)
[C]. Aluminium brass (22% Zn 2% Al)
[D]. P-bronze (11% tin, small amount of P)
List-II
[1]. Radiator
[2]. Spring metal
[3]. Forging and stamping
[4]. Power plant and chemical equipment
List-I
[A]. Commercial bronze (10% Zn)
[B]. Red brass (15% Zn)
[C]. Aluminium brass (22% Zn 2% Al)
[D]. P-bronze (11% tin, small amount of P)
List-II
[1]. Radiator
[2]. Spring metal
[3]. Forging and stamping
[4]. Power plant and chemical equipment
Question 9
Which one of the following is the correct ascending order of packing density for the given crystal structures of metals?
Question 10
Tempering is a process of annealing ________.
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