On a digital waveform, the transition time from a LOW level to a HIGH level is called ________
A) fall time B) pulse width C) rise time D) period
C
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Technician A says that oily residue on a fitting or hose can indicate a refrigerant leak. Technician B says that this residue is normal around most A/C fittings. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Jose applied 28-72-80 units of fertilizer per acre to 180 acres of early soybeans. He used 46-0-0 urea at $415 per ton, 18-46-0 DAP at $508 per ton, and 0-0-60 muriate of potash at $513 per ton.
a. How many pounds per acre of bulk fertilizer were applied? b. How many tons were used? c. What was the cost of the fertilizer? d. What was the cost per ton?
Oil soaked rags:
A) Can be a health hazard B) Should be stored in an approved safety can C) A, B, and D D) Can be a fire hazard
A solenoid uses two coils. Their windings are called:
a push-in and pull-out. b. pull-in and push-out. c. push-in and hold-out. d. pull-in and hold-in.