Commercial tree nurseries produce and sell large quantities and many varieties of trees for forestry use
Indicate whether the statement is true or false
True
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Most of the data to be inputted to a machine ECU comes from monitoring _____________.
Fill in the blank(s) with the appropriate word(s).
Hydraulic motors are used to transform hydraulic working energy into _____
a. gpm b. electrical working energy c. rotary mechanical energy d. pneumatic working energy
Technician A says that pump flow at maximum pressure should be at least 75% of the flow measured at 0 pressure in simple hydraulic cylinder circuit. Technician B says that one way of checking internal leakage in a simple hydraulic cylinder circuit is to disconnect the return hose when the cylinder is actuated, and watch for leakage. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
The three basic types of condensers used with HVACR systems are:
A) Condensing, noncondensing, and static. B) Standard, metric, and transitional. C) Air cooled, water cooled, and evaporative. D) External, internal, and cross-charged.