What should be drained, cleaned, and flushed on a regular basis?
A) The compressor and blower
B) The sump and all water lines
C) The cooling tower basin
D) The evaporative condenser
C
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Which of the following is NOT a characteristic of System 4?
a. Motivation through participation b. Dispersed control processes c. Communication primarily downward d. Perceived confidence and trust between superiors and subordinates e. Goal setting characterized by high, realistic objectives
What happens to CFCs and HCFCs that are exposed to a flame?
What will be an ideal response?
You have been asked to manufacture a wiring junction box for connecting electrical wires in a fighter aircraft. The box sits under the pilot's seat and is part of the seat ejection system. Sufficient forces are exerted on the box that it must be made of a composite material using intermediate to long fibers. What fiber, matrix, and manufacturing method would you use for this part, and why?
What will be an ideal response?
A six-pole induction motor for vehicle traction has a 50-kW input electric power rating and is 85 percent efficient. If the supply is 220 V at 60 Hz, compute the motor speed and torque at a slip of 0.04.
Find: The motor speed and torque at a slip s = 0.04.