What is the purpose of a signal light?
What will be an ideal response?
A signal light is used to show that a piece of equipment is operating or that it is operating in an unsafe condition.
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The recessed panel at the bottom of brick manufactured today is called a _____ .
A. frog B. core C. patent D. center
The germ spot of a fertilized or non-fertilized egg is called the blastoderm
Indicate whether this statement is true or false.
PROBLEM 3.85 The stepped shaft shown rotates at 450 rpm. Knowing that r = 0.2 in., determine the largest torque T that can be transmitted without exceeding an allowable shearing stress of 7500 psi.
When cutting open a soldered joint for testing, tiny bubbles are seen in the solder. What may have happened to cause this?
A) Too much solder was used. B) An insufficient amount of solder was used. C) The pipe was overheated. D) The pipe was under-heated.