Which one of the following is not recommended?
A. Not using household preparations of chemicals used as pesticides.
B. Wearing full protective clothing when mixing chemicals.
C. Not burning pesticide containers.
D. Transferring small amounts of leftover pesticides to smaller containers to save space in storage.
Answer: D
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74xxx standard logic chips are found in the megafunction library of the Quartus II development software
Indicate whether the statement is true or false
The formula for determining the static available for the duct system is:
A) Available duct static = total available static - total fixed static losses. B) Available duct static = total fixed static losses. C) Available duct static = 0.15 to 0.2 in WC. D) Total available duct static = 0.1 in WC.
The number of basic grades in which Plyform sheets for form building are available is _____
a. two b. three c. four d. five
Answer the following statement(s) true (T) or false (F)
1. The pilot control device shuts down at a loss of power. 2. The phrases no-voltage drop-out, or two-wire control circuit should indicate a possible safety concern to the electrician, because a mechanically held closed pilot device could automatically restart the load motor when the power is restored. 3. A differential control device is a two position (on/off) switch that actuates when the measured medium reaches either of the two pre-determined extreme high or low range values, with a dead zone in between where the switch does not change states. 4. It is extremely uncommon to find differential switches for pilot devices in these motor control circuits. 5. Differential controls provide a mechanical means that acts like a mechanical holding circuit.