Answer the following statement(s) true (T) or false (F)
An electrically energized heating element that is not submerged in water will overheat and fail in a matter of seconds.
ANSWER: True
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If plants are trained to grow on a trellis, then how many inches should the canes be kept at in relation to what is recommended for nonsupported plants?
A) 10 inches lower B) 10 inches higher C) 12 inches higher D) 12 inches lower
A switch that is used on 240-volt residential branch circuits to control a load from one location is called a __________ switch.
a. single-pole b. double-pole c. occupancy d. combination
The continuous-scan test mode allows troubleshooting the ladder program ________
A) By de-energizing the input field devices B) By disabling all jump instructions C) By disabling all jump instructions D) Without energizing output field devices E) Without executing the subroutines
When adding whole numbers, line the units places of each number underneath each other.
Answer the following statement true (T) or false (F)