A retroreflective device transmits the light to a reflector and detects the reflected light at its receiver.
Answer the following statement true (T) or false (F)
True
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When possible, transistor casings will have some marking to indicate _____.
a. the rated voltage b. which leads are connected to the emitter, collector, or base c. the direction of current flow d. total amperage
?What is the term for the period when the intake and exhaust valves are both open?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. Nearly all commercial, industrial, and residential power circuits are connected in parallel. 2. The total (line) current for an ac parallel circuit may not be equal to the arithmetic sum of the current in each of the branch circuits. 3. The power factor of the circuit is found by the use of the expression: PF = P + VI. 4. The apparent power or volt-amperes of the circuit can be determined by multiplying the applied voltage by the total current. 5. The amount of reactive power or VARs (volt-amperes-reactive) can be determined using the formula: VARs = P/VA.
Florist wire is commonly sold in ___ lengths
a. 100-inch c. 5-inch b. 18-inch d. 100-foot