What are the possible causes for a single fluorescent lamp that blinks on and off?
What will be an ideal response?
This may mean that the lamp is at its normal point of failure. However, the difficulty may be due to a faulty starter, which can be replaced readily. The lamp itself may be at fault. Low circuit voltage, incorrect ballast rating, and low temperature also may cause the lamp to blink on and off.
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Properly planned and scheduled maintenance is referred to as _______________ maintenance.
Fill in the blank(s) with the appropriate word(s).
If the accumulator is sweating should it be insulated? Why or why not?
a. No because it would make rusting a greater problem. b. Yes because rusting will cause pin-hole leaks in the steel body. c. Yes because it will stop the sweating and prevent water damage. d. No because it would stop the transfer of heat needed to boil off the refrigerant.
CNG has an octane rating between 87 and 93.
Answer the following statement true (T) or false (F)
The rebar-tying method shown in the figure is called a _____
a. wrap-and-tie
b. standoff tie
c. bar hitch
d. nail-head tie