In refrigeration and air conditioning, safety controls are wired:
A) In either series or parallel with the load they protect.
B) In series with the load they protect.
C) In parallel with the load they protect.
D) In parallel with the power supply.
B
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Determining the span of engineered lumber is similar to sizing sawn lumber, although span tables will vary slightly for each manufacturer.
Answer the following statement true (T) or false (F)
Technician A says that the I-head engine is widely used in automobiles because it can breathe better than earlier engine designs. Technician B says that increased valve lift is possible with an I-head engine. Which technician is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
In 1994, FlavrSavr® tomato was the first commercially grown GE crop
Indicate whether the statement is true or false
A protective device that prevents the operation of a unit when there is inadequate fluid flow is called a:
A) Float switch. B) Kinetic energy transducer. C) Fluid level switch. D) Sail switch.