Which of the following is used in pipe systems which are expected to experience significant thermal expansion?
a. Rubber anchors
b. Flexible tape
c. Expansion circuits
d. Expansion loops
d. Expansion loops
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For computer-generated slides, the general rule is to use special effects:
a. on about half of your slides b. only when necessary c. on every slide d. never
When reversed biased, the light emitting diode behaves like any other diode
Indicate whether the statement is true or false
Technician A says that the sharp edges of spool valves should be rounded, using 400 grit sand paper. Technician B says that all valve body parts should be cleaned then dried using low-pressure , filtered compressed air. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Solid-state defrost systems use which type of temperature sensors?
A. sensing bulb B. bimetal C. thermistors D. mercury tubes