How can a technician determine what the proper PPE is for a particular application?
A) Read the instructions on the electrical panel.
B) Read NFPA Standard 70E.
C) Ask someone near the machine you are going to test.
D) Safety glasses work for most jobs.
B
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The grounded conductor, or ____ conductor, provides the return path and completes the circuit back to the power source.
a. neutral b. short c. positive d. negative
Chinchilla housing should have _____
a. a single level b. ladders c. different levels with platforms d. several hours of direct sunlight
Thermostatic expansion valves are the only metering devices used in high pressure chillers.
Answer the following statement true (T) or false (F)
PROBLEM 3.64
Using an allowable shearing stress of 5.4 ksi, design a solid steel shaft to transmit 16 hp at a speed of (a) 1200 rpm, (b) 2400 rpm.