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ESE 2019: Engineering Materials Quiz-2
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Question 1
What is the interplanar spacing having miller indices as [2 0 0], [2 2 0], [1 1 1] respectively in an FCC crystal of atomic radius 1.246 Å?
Question 2
Statement (I):Cobalt exhibits hexagonal close-packed structure below 420 °C.
Statement (II): Structure of cobalt changes to face-centred cubic structure above 420 °C.
Statement (II): Structure of cobalt changes to face-centred cubic structure above 420 °C.
Question 3
Nano composite materials are highly preferable in design consideration for their
Question 4
Match List-I with List-II and select the correct answer using the code give below the lists:
Question 5
Match List-I with List-II and select the correct answer using the code give below the lists:
List-I
[A]. Nickel
[B]. Chromium
[C]. Tungsten
[D]. Vanadium
List-II
[1]. Increase tensile strength in medium carbon steels
[2]. Imparts hot hardness to steel
[3]. Imparts hardness with high strength
[4]. Increases toughness of steel
List-I
[A]. Nickel
[B]. Chromium
[C]. Tungsten
[D]. Vanadium
List-II
[1]. Increase tensile strength in medium carbon steels
[2]. Imparts hot hardness to steel
[3]. Imparts hardness with high strength
[4]. Increases toughness of steel
Question 6
On completion of heat treatment, the austenite structure would be retained if :
Question 7
Which one of the following is correct for “Burger’s vector” in screw dislocation?
Question 8
Consider the following regarding their crystal structure
[1]. Alpha iron
[2]. Aluminium
[3]. Nickel
[4]. Zinc
Which of the following has FCC Structure?
[1]. Alpha iron
[2]. Aluminium
[3]. Nickel
[4]. Zinc
Which of the following has FCC Structure?
Question 9
Consider the following statements regarding material:
[1]. In micro structure external forms of the crystal may reflect the internal symmetry of atom
[2]. Electronic structure is arrangement of electrons in different orbit of atom
[3]. A crystal is formed by a non-repeating cell in uni-direction
[4]. Nuclear structure can be studied by Mossbauer studies
Which of these statements are correct?
[1]. In micro structure external forms of the crystal may reflect the internal symmetry of atom
[2]. Electronic structure is arrangement of electrons in different orbit of atom
[3]. A crystal is formed by a non-repeating cell in uni-direction
[4]. Nuclear structure can be studied by Mossbauer studies
Which of these statements are correct?
Question 10
Assertion (A): Lever Rule can be applied to determine relative amounts of phases present at any temperature.
Reason (R): Lever Rule is restricted to estimate relative phases, only if they are solid phases.
Reason (R): Lever Rule is restricted to estimate relative phases, only if they are solid phases.
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Oct 6ESE & GATE ME
