Define the following words:
What will be an ideal response?
Actuator: an output from a hydraulic (or computer) circuit that converts one energy form to another; a hydraulic ram is one type of actuator
Fluid: any substance that has fluidity; that is, lacking in definite shape, flows readily and yields to pressure; most liquids and gases are fluids
Laminar flow: streamlined flow through a hydraulic circuit; not compromised by internal obstructions or sharp angles
Aeration: mixing or emulsifying of air into a fluid such as hydraulic oil
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What is the total length of the skirt?
Refer to Drawing Numbers E492877 R0 and E482878 R0.
A condensing oil furnace operates at a higher efficiency because part of the heat output is ____.
A. sensible heat B. latent heat C. superheat D. sub-cooling
A vehicle with TPMS has tire pressure warning light on steady. The owner says that all 4 tires have the correct pressure. Technician A says that the spare tire pressure could be low. Technician B says that a sensor may be bad. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Manufacturers recommend pressurizing VRF piping to ________ with nitrogen and performing a 24 hour standing leak test
A) 400 — 500 psig B) 200 — 300 psig C) 500 — 600 psig D) 300 — 400 psig