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Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by?

LohaHridoy
  1. Adjusting the current
  2. Adjusting the duration of current
  3. Changing the electrode size
  4. Changing the electrode coating

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1 Answers

AhmedNazir

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Answer: Option 3

Let'

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When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as ________ double cover butt joint.?

Answer: Option 2 Let'

1 Answers 1 views
When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is known as?

Answer: Option 4 Let'

1 Answers 4 views
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.?

Answer: Option 2 Let'

1 Answers 3 views
A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when?

Answer: Option 3 Let'

1 Answers 4 views
If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?

Answer: Option 1 Let'

1 Answers 1 views
In leaf springs, the maximum bending stress developed in the plates is (where W = Load acting on the spring, $$l$$ = Span of the spring, n = Number of plates, b = Width of plates and t = Thickness of plates)?

Answer: Option 2 Let'

1 Answers 1 views
The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)?

Answer: Option 1 The electrode tip diameter (d) in spot welding should be equal to √t

1 Answers 19 views
The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)?

Answer: Option 2 Let'

1 Answers 22 views
Which among the NC operations given below are continuous path operationsArc Welding (AW), Drilling (D), Laser Cutting of Sheet Metal (LC), Milling (M), Punching in Sheet Metal (P), Spot Welding (SW)?

Answer: Option 1 Let'

1 Answers 4 views
The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.?

Answer: Option 2 Let'

1 Answers 1 views

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