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ESE ME 2018 Achiever Study Plan: Manufacturing Quiz 3
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Question 1
Which of the following are the major characteristics of submerged arc welding?
1. High welding speeds
2. High deposition rates
3. Low penetration
4. Low cleanliness
Select the correct answer using the code given below:
1. High welding speeds
2. High deposition rates
3. Low penetration
4. Low cleanliness
Select the correct answer using the code given below:
Question 2
In MIG welding, the metal is transferred into the form of which one of the following?
Question 3
The proportion of acetylene and oxygen used in gas welding is
Question 4
Two shafts of diameter 30 mm each are connected by a flange coupling. Six bolts, each
of diameter 8 mm, are used on a pitch circle of diameter 90 mm. If the allowable shear stress of the bolt material is 80 MPa, what is the torque transmitting capacity of the bolts to the nearest 10 units?
of diameter 8 mm, are used on a pitch circle of diameter 90 mm. If the allowable shear stress of the bolt material is 80 MPa, what is the torque transmitting capacity of the bolts to the nearest 10 units?
Question 5
Direction: The following items consists of two statements; one labeled as ‘Assertion (A)’ and the other as ‘Reason (R)’. You are to examine these two statements carefully and select the answers to these items using the codes given below:
Assertion (A):Oxidizing flame is used in gas welding to join medium carbon steels having high melting point.
Reason (R):In gas welding, oxidizing flame produces the maximum temperature compared to neutral and reducing flame.
Reason (R):In gas welding, oxidizing flame produces the maximum temperature compared to neutral and reducing flame.
Question 6
Better surface finish is obtained with a large rake angle because
Question 7
Which of the following stresses are important for chip formation?
1) Tensile stress
2) Shear stress
3) Compressive stress
4) Bending stress
1) Tensile stress
2) Shear stress
3) Compressive stress
4) Bending stress
Question 8
Under certain cutting conditions, doubling the cutting speed reduces the tool life to 
of the original. Taylor’s tool life index (n) for this tool-work piece combination will be __________.
of the original. Taylor’s tool life index (n) for this tool-work piece combination will be __________.Question 9
Cutting tool is much harder than the workpiece. Yet the tool wears out during the tool-work interaction, because
Question 10
Minimum shear strain in orthogonal turning with a cutting tool of zero rake angle is
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