____ welding is a form of friction welding.
A. Resistance spot welding
B. Ultrasonic
C. Electron beam
D. Inertia
Answer: D
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PROBLEM 2.7
A nylon thread is subjected to a 2-lb tension force. Knowing that E = 0.5 ? 106 psi and that the maximum allowable normal stress is 6 ksi, determine (a) the required diameter of the thread, (b) the corresponding percent increase in the length of the thread.
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Silver thiosulfate prevents bacterial growth and blocks ethylene action in cut flowers
Indicate whether the statement is true or false
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Dielectric strength is the ability of an oil to resist breakdown caused by _____
a. voltage b. water c. acid d. heat
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If drainage is a problem, the planting may be placed below soil level
Indicate whether the statement is true or false
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