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Ferritic bolts and nuts cold-hardened are proper to support metallic structures. Explain why or why not.

Consider mechaanical resistance (bolts and nuts) and dynamic loads.

• David
• 1316 Views
• 0 Answers

Ferrous and nonferrous metals should be welded in their "annealed" (low-strength) condition when possible. What about "normalized" metals? Explain why.

Observe warping stress and yield strength of metals.

• David
• 1095 Views
• 0 Answers

Welding of low thermal conductivity metals (stainless steels and Nickel-base alloys) do not results in a steep temperature gradient that increases the shrinkage in the weld and in the adjacent plate.

Explain why or why not. Consider thermal expansion.

• David
• 1216 Views
• 0 Answers

In general, each weld bead will be subjected to the same high quench rate as the first bead of a non-preheated workpiece. Explain why.

Observe interpass temperature.

• David
• 1275 Views
• 0 Answers

The weldability of a low-carbon steel casting is comparable to that of a wrought steel of similar composition. Explain why.

Observe microstructures.

• David
• 1170 Views
• 0 Answers

Consider austenitic stainless steels 301, 302 and 304. Sensitization can be minimized by making the torch brazing thermal cycle as short as possible. Explain why.

Observe carbide precipitation.

• David
• 1081 Views
• 0 Answers

what is the composition of Hylum?

it is a material used in composite wall

• Shivaling
• 3536 Views
• 0 Answers

in cricket can we say velocity of bowling instead of speed of bowling.?

this question related to kinematics of motion.

• Shivam
• 1387 Views
• 0 Answers

Geometrical dimensions and tolerance (GD & T)

What is tolerance stack-up and why is it important in industries?

• D.Lalith
• 1832 Views
• 0 Answers

Computational fluid dynamics (Grid or mesh)

What is a staggered grid and co-located grid in case of finite volume method?

• D.Lalith
• 979 Views
• 0 Answers

What's the next step? Recently finished mechanical engineering course.

I recently finished my engineering course in mechanical engineering. However I'm not sure what to do next. What kind of courses should I look forward to? What would you guys recomm ...

• Cyril
• 1098 Views
• 0 Answers

Determine the exergy of 1m3 of complete vaccum

Available energy= exergy ,the maximum work done by body. Atmospheric pressure =100kpa , vaccum= 1m3

• Sourabh
• 1203 Views
• 0 Answers

How do I design a sluice valve using IS 14846:2000 for 10 inch diameter?

For my M.Tech dissertation I have to design and analysis for a sluice valve using IS 14846:2000 for 10 inch diameter. So how can I proceed.

• Manoj
• 1502 Views
• 0 Answers

Above ground Storage Tanks

I'm a mechanical engineering graduate and currently working in the oil and gas industry as a CAD Engineer. Aiming to boost my career and reach higher positions I need to study the ...

• Abdulaziz
• 689 Views
• 0 Answers

Melting plastic to achieve an alloy form of it and add it to MS or AL.

How can i collect the plastic as an alloy by melting it, is it possible or not ?

• Mishra
• 580 Views
• 0 Answers

Determine the exergy of 1m3 of complete vaccum

Available energy= exergy ,the maximum work done by body. Atmospheric pressure =100kpa , vaccum= 1m3

• Sourabh
• 3461 Views
• 1 Answers

I want to procedure about getting a suitable job on Btech in Mechanical Eng

I have just completed betech in Mechanical Engineering in 2018 from MDU,university ROHTAk haryana

• Tinku
• 755 Views
• 1 Answers

Applications of 6stroke ic engine

A 6stroke ic engine has 2 power stroke and fuel consumption is also reduced to nearly 40%

• Kurapati
• 414 Views
• 1 Answers

What is difference between pipe and tube

Pipes are measured and sold by internal diameter .where tubes are measured and sold by external diameter

• Sandeep
• 525 Views
• 1 Answers

Design of machine elements (Gear drives)

What is the significance of virtual teeth in case of helical gears?

• D.Lalith
• 894 Views
• 1 Answers