_____________ employs separation as an accident prevention measure.
Fill in the blank(s) with the appropriate word(s).
Isolation
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Explain the concept of safety margin in the design of structures.
What will be an ideal response?
Match the term with its definition
A. Accomplished at temperatures above 842°F. B. Caused by excessive bending and straightening of tubing. C. Operation that causes one end of a copper tube to expand at an angle for flare nut connection to system. D. Operation that allows two tubes of equal diameter to be joined together. E. Operation of heating and cooling tubing to make it softer. F. Removal of burrs and rough edges from tubing. G. Accomplished at temperatures under 842°F.
Describe Hooke's Law.
What will be an ideal response?
When checking the operation of a rear-window defogger with a voltmeter, ________
A) The voltmeter should indicate decreasing voltage when grid is tested across width of glass B) The voltmeter should be set to read AC volts C) The voltmeter should read close to battery voltage anywhere along the grid D) Voltage should be available anytime at the power side of the grid because the control circuit just completes the ground side of the heater grid circuit