List three advantages of using slimline instant-start fluorescent circuits.
What will be an ideal response?
The use of instant-start circuits has the following benefits:
• The resultant power factor for the two-lamp unit is 95 percent or higher.
• The phase displacement between the currents in the two lamps reduces stroboscopic
effects.
• This type of lighting unit starts the instant the circuit is energized.
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If a diode shorts in a full-wave rectifier, ________
A) the output dc voltage will increase B) no change would occur in the output C) the output current would increase D) the output dc voltage will decrease and possibly damage the power supply
_________________________ dimensioning is commonly used on prints for mechanical parts.
Fill in the blank(s) with the appropriate word(s).
To determine the number of 1-cubic-foot-size bags of masonry cement needed for a project using standard-size bricks, divide the number of bricks by 125.
Answer the following statement true (T) or false (F)
A steel tank measures 48" X 24" X 36". If the tank itself weighs 400 lbs and is 38% full, what is the weight of the tank and contents?
Fill in the blank(s) with the appropriate word(s).