Feedforward minimizes the magnitude of an error signal.
Answer the following statement true (T) or false (F)
True
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What instrument is used to take readings at specified intervals for later review?
a. Clamp-on ammeter b. Multimeter c. Data logger d. Voltmeter
Which of the following procedures would adjust the phase angle of one pump element in a port-helix metering injection pump?
A. shimming the fuel pump drive gear B. rotating the barrel C. shimming the barrel flange D. repositioning the control rack
You need to de-energize a circuit to work on a unit. To ensure your safety, you should:
A) Work quickly to reduce your exposure to the electricity. B) Leave a clearly written"Keep Off" message in 1" block letters. C) Lock out and tag out the circuit. D) Ask a friend to stand beside the disconnect switch to ensure nobody turns it on.
In the cooling mode, the reversing valve is typically _____
a. bypassed b. energized c. de-energized d. reversed