A closed loop hydrostatic system is one that:
a. has a sealed reservoir
b. has a closed loop pilot system
c. has a directional control valve
d. has its pump and motor flow recirculate betweeneach other
D
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The water temperature range found in a radiant floor heating system is normally _____.
a. 75°–90°F (24°–32°C) b. 90°–110°F (32°–43°C) c. 110°–160°F (43°–71°C) d. 160°–200°F (71°–93°C)
The point where one weld bead stops and another starts is referred to as a(n) _____.
a. restart b. termination c. arc strike d. weld defect
The preliminary cost for a 50,000 ft² aircraft hangar must be estimated. (a) The first unit estimate was $98.23 per square foot. Estimate the cost of the hangar. (b) The budget limit came in at $4 million. Perform two analyses: determine the maximum allowed size to be within budget at the first estimated unit cost, and determine the maximum unit cost to stay within budget and maintain the 50,000 ft² size.
What will be an ideal response?
A ____ transducer is used to measure the level in an open container that stores liquid when using a purge (bubbler) type of measuring device.
A. I/P B. P/I C. I/V D. V/I