Identify the major parts of an inverter and explain their function
What will be an ideal response?
A change in the level of voltage magnitude that is sudden and unexpected.
A change in system frequency caused by one or more generation sources.
A sudden increase in active output power (kW) well beyond the typical level that would indicate a short
circuit somewhere in the system.
A change in power factor or reactive output power
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Some welders have to make welds in very restricted spaces using a mirror.
Answer the following statement true (T) or false (F)
____ are small strips that divide the glass into smaller panes.
A. Muntins B. Sills C. Rails D. Casings
If the oil pressure warning lamp on a General Motors vehicle is on all the time, yet the engine oil pressure is normal, the problem could be ________
A) Wire shorted-to-ground between sending unit and dash warning lamp B) Defective (open) oil pressure sending unit (sensor) C) Defective (shorted) oil pressure sending unit (sensor) D) Either A or C
How does natural gas move through pipelines from the well head to the end user thousands of miles away?
A) Natural gas moves through the pipelines due to the extreme pressure on natural gas underground. B) Solar energy is used to operate electric fans that help move the gas through the pipelines. C) Natural gas moves naturally through the pipes because it is lighter than air. D) Large compressor pumping stations move the gas through the pipelines under high pressure.