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A 1050 steel is welded. After cooling, hardnesses in the heat-affected zone are obtained at various locations from the edge of the fusion zone. Determine the hardnesses expected at each point if a 1080 steel were welded under the same conditions. Predict the microstructure at each location in the as-welded 1080 steel.
a machining-center spindle and tool extend 10in. from their machine-tool frame. calculate the temperature change that
An 8-kg plunger is released from rest in the position shown and is stopped by two nested springs; the constant of the outer spring is k1 = 4 kN/m and the constant of the inner spring is k2 = 12 kN/m. If the plunger is released from the height
Look carefully at how messages and mailboxes are represented in the e-mail system that you use. Model the object classes that might be used in the system implementation to represent a mailbox and an e-mail message.
an inventor claims to have perfected an engine which will produce power from energy transferred as heat from a 1300 k
There are 10 ft of 3-in Schedule 40 steel pipe before the pump, and 32 ft after. There are three standard 90° elbows and a fully open gate valve.
an industrial machine of mass 453.4kg is supported on springs with a static deflection of 0.508cm. the machine has a
Convert this diagram into industrial ladder diagram format (retain alldevices). Convert the diagram of FIGURE into a suitable PLC ladderdiagram having the simplest form.
1. A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F, 14.7 psi and a compression ratio of 16. The heat added in the combustion process is 400 Btu/lbm. If the thermal efficiency is 0.547 Determine: Using va..
A helical compression spring made from hard drawn wire needs to be designed to fit inside a 50mm cylindrical cavity and there must be enough space inside the coils for a 20mm cylindrical guide rod.
Design economical sustainable solar charging substitutes to the universities current method. This applies to both applications for university golf carts and student use on campus.
Compute the total force on the sign if it is faced into a 100-mph wind. The air is at -20°F.
A closed system contains 2 kg of Nitrogen at 27 C initially. The gas is heated to a final temperature of 277 C. Determine the total amount of heat required when the heat addition is done in.
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