Variable rate springs handle a load of up to 30% over standard rates springs in some applications
a. true
b. false
a. true
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A diode will only conduct current when forward biased.
Answer the following statement true (T) or false (F)
One difference between refrigerant piping practices for air-conditioning systems and refrigerant piping practices for commercial refrigeration systems is that:
A) The suction lines on air-conditioning systems do not require insulating because of their higher temperature. B) Most commercial refrigeration system manufacturers do not recommend oil traps. C) Most air-conditioning manufacturers do not recommend oil traps. D) Suction lines are typically larger for air-conditioning applications for the same capacity of commercial refrigeration systems.
DDC is a control process in which a microprocessor, acting as a digital controller, constantly updates a database of internal information.
Answer the following statement true (T) or false (F)
The best source of cones, seedpods, nuts, and fruit is in the woods
Indicate whether the statement is true or false