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ESE 2019: Manufacturing Quiz-4
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Question 1
A: No cutting fluid is used while machining cast iron.
R: The graphite in cast iron acts as lubricant themselves.
R: The graphite in cast iron acts as lubricant themselves.
Question 2
Casing with diameter and height as 50 mm each having radius of corner as 0.5 mm is obtained using cup drawing. What will be the blank diameter of the casing?
Question 3
Consider the following benefits of CIM:
1) Less direct labour
2) Less scrap and rework
3) Higher machine use
Which of the above are correct?
1) Less direct labour
2) Less scrap and rework
3) Higher machine use
Which of the above are correct?
Question 4
The complexity of a jig or a fixture is determined by
1) the number of pieces that must be produced
2) the degree of accuracy required
3) the number and kind of machining operations that must be performed
Which of the above are correct?
1) the number of pieces that must be produced
2) the degree of accuracy required
3) the number and kind of machining operations that must be performed
Which of the above are correct?
Question 5
Consider that the following materials are usable for manufacturing dies, moulds in investment casting process for the purpose of large-scale production:
1) Aluminium alloy
2) Magnesium alloy
3) Brass
4) Low-carbon steel
Which of the above are correctly usable?
1) Aluminium alloy
2) Magnesium alloy
3) Brass
4) Low-carbon steel
Which of the above are correctly usable?
Question 6
Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): Pursuant to plastic deformation of metals, the mechanical properties of the metals get changed.
Statement (II): Mechanical properties of metals depend on grain size also which gets changed by plastic deformation.
Statement (II): Mechanical properties of metals depend on grain size also which gets changed by plastic deformation.
Question 7
Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): In drop forging, the excess metal added to the stock for complete filling of the die cavity is called flash.
Statement (II): Flash acts as a cushion against impact blows attributable to the finishing impression.
Statement (II): Flash acts as a cushion against impact blows attributable to the finishing impression.
Question 8
Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): Metal powders can be produced by atomization process.
Statement (II): In case of metals with low melting point, the size of particles cannot be controlled and the shape of the particles remains regular in atomization.
Statement (II): In case of metals with low melting point, the size of particles cannot be controlled and the shape of the particles remains regular in atomization.
Question 9
Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): In shell molding process, phenol formaldehyde is never used.
Statement (II): The resins used in this process are basically of the thermoplastic variety.
Statement (II): The resins used in this process are basically of the thermoplastic variety.
Question 10
Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): In gas welding process, neutral flame is the most common flame used for welding and cutting stainless steel.
Statement (II): Neutral flame has tendency to react with stainless steel being welded.
Statement (II): Neutral flame has tendency to react with stainless steel being welded.
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