In a running engine with a CR diesel system, what force(s) hold the nozzle needle seated when the actuator is not energized?
A. hydraulic force only
B. spring force only
C. electrical force only
D. combined spring and hydraulic force
Answer: D
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What is the concentration of dissolved solids (as NaCl) in the combined stream downstream of the discharge
A soft drink bottling plant discharges a wastewater with a dissolved solids concentration of 10,000 mg/l NaCl, at a rate of 100 gal/min to a stream. The stream above the discharge has a volumetric flowrate of 1.0 MGD and a dissolved solids concentration of 25 mg/l. Below the discharge point is a prime fishing spot, and the fish are intolerant of salt concentrations above 200 ppm. What will be an ideal response?
In the circuit of Fig. 12.54, if Vab = 440 ?10°, Vbc = 440?250°, Vca = 440 ?130° V, find the line currents.
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What type of circuit can cause extensive damage to other components in the circuit due to an increase in current?
A. Short B. Closed C. Ground D. Open
To determine the square footage of any building area, _____
a. add length to width b. subtract length from width and multiply by 4 c. multiply length times width d. divide length by width