Which of the following is a correct statement regarding crew evaluations?
a. Formal evaluations should be conducted every three months.
b. Advise the crew members to improve their performance just before the formal evaluation is scheduled.
c. Comments on performance should be withheld until the formal evaluation.
d. They should never come as a surprise to the crew member.
d
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Classify heat exchangers according to flow type, and explain the characteristics of each type.
What will be an ideal response?
In this process, the material and an electrode are submerged in a dielectric fluid, which is a nonconductor, forming a barrier between the part and the electrode. A very small gap of about .001 in. is maintained between the electrode and the material. A high-speed arc causes the material to be removed.
a. electrochemical machining (ECM) b. electrodischarge machining (EDM) c. electron beam (EB) d. ultrasonic machining
What types of system access valves do residential air-conditioning systems usually have?
A) Manual valves on the compressor suction and discharge and on the liquid receiver B) Schrader valves on the compressor suction and discharge and on the liquid receiver C) Schrader valves on the suction line and liquid line D) A process stub on the compressor
The switching action of the commutator is called ____________________.
Fill in the blank(s) with the appropriate word(s).