The reason for properly grounding tools and equipment is simple. If the insulation on a conductor becomes damaged or an energized conductor comes loose from a terminal connection in a piece of equipment, it is possible to __________ the surfaces that these conductors come in contact with. If the equipment is not properly grounded and someone comes in contact with an electrified surface, __________ or __________ could occur.
What will be an ideal response?
electrify, severe shock, electrocution
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Indicate whether the statement is true or false
In a basic lock-out circuit, the coil of the lock-out relay may be connected in parallel with the normally ____ safety switches used to help protect the compressor.
a. open b. semi-closed c. closed d. semi-open
Technician A says that bearings should be thoroughly cleaned with solvent and then dried, before repacking with grease. Technician B says that it is important to use manufacturer approved bearing grease to prevent premature bearing wear. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What is meant by the term "blowdown"?
What will be an ideal response?