A bolt head is produced by using a process called:
A. upsetting
B. rolling
C. press forging
D. extruding
Answer: A
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List three thing that should be done before operating power tools.____________________________________________________________________________________________________________
What will be an ideal response?
A compressor that uses an impeller to throw refrigerant from the center outward is a:
A) Screw compressor. B) Centrifugal compressor. C) Scroll compressor. D) Rotary compressor.
While the furnace is operating, heated air and flue products spill out of the burner compartment. What is the problem?
What will be an ideal response?
Which of the following statements about safety glasses is true?
they should over side protection the lenses should be made of shatterproof material some service operations require addition eye protection to be worn with safety glasses all of above