What two factors affect the hot gas line size?
What will be an ideal response?
Pressure drop and velocity. The line should be large enough to reduce pressure drop through it, but small enough to achieve the required minimum velocity to keep the oil moving through the line.
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A separately derived system is a premises wiring system that is _____.
a. limited to DC power b. grounded directly to the grounding electrode conductor c. completely contained in one building d. powered from a source other than a service
Technician A says that a valve spring's pressure may be 10% less than the manufacturer's specifications before it must be replaced. Technician B says that valve seating pressure is the amount of force that the valve spring exerts on the area of contact between the valve face and seat. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
What forestry practice involves the use of fire as a management tool?
What will be an ideal response?
When conducting a visual inspection of the electrical system, what are some of the obvious problems that you should look out for?
What will be an ideal response?