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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In some engines, a ____, though not much used nowadays, may be used to verify proper ignition operation.
a. distributor b. stator c. timing light d. coil
Unlike the use of nitrogen fertilizer on forests, the use of potassium fertilizer can be expected to increase the trees' resistance to diseases and/or pests
Indicate whether the statement is true or false
What is the primary design challenge for CO2 refrigeration systems?
A) The high GWP of CO2 refrigerant B) CO2 refrigerant operates in a vacuum at low temperatures. C) The high refrigerant cost D) The high operating pressures of CO2 refrigerant
____ on the east and west help shade from hot sun year round and can provide windbreaks in cold climates.
A. Angiosperms B. Broadleaf trees C. Deciduous trees D. Evergreens