In rotary screw compressors, ________ supplies lubrication to the bearings, oil to the mechanical seal, and hydraulic power to position the slide valve
A) the prelube pump B) the main oil pump
C) the oil manifold D) rotor injection
C
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Technician A says that synchronizer sleeves can be replaced onto the hub in any position. Technician B says that blocker rings should be snug and not wiggle around when installed. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
You should let the air out of hot tires so the pressure goes back to normal
Cdl
You are having some personal problems and the customer seems like a sympathetic listener. You should
_____. a. find an opportunity to bring up the problems and ask for the customer's advice b. stay focused on the job and avoid discussing your problems with the customer c. bring up the problem, but pretend it is happening to someone else d. show through your attitude that you are in a bad mood and hope the customer will ask why
Electronic overload relays employ a current ____ to sense the motor current.
A. diode B. transformer C. capacitor D. varistor