Magnetic drives are used for applications requiring a(n) ____ speed such as cranes, hoists, fans, compressors, and pumps.
a. high
b. constant
c. input
d. adjustable
d. adjustable
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Technician A says the oil rings account for 60% of total drag on the cylinder wall. Technician B says the compression rings account for 40% of total drag on the cylinder wall. Who is right?
A. Technician A B. Technician B C. Both technicians D. Neither technician
A reversible heat engine receives 25,500 Btu/hr of heat from a high-temperature reservoir at 1100 R, and produces 4.2 hp of power. What is the temperature of the low-temperature reservoir.
Given: TH = 1100 R; Q?H=25,500Btu/hr; W = 4.2 hp = 10,689Btu/hr. What will be an ideal response?
One of the fastest-growing segments of aquaculture is the growing of ornamental fish
Indicate whether the statement is true or false
The DOE's goal for wind-generated power is for it to produce 20 percent of our electrical power by _____
A) 2030 B) 2035 C) 2016 D) 2050