Remote control wiring shall be installed in accordance with _____.
a. NEC Article 70, Class 2
b. NEC Article 700, Class 1
c. NEC Article 725, Class 2
d. NEC Article 825, Class 3
c. NEC Article 725, Class 2
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In 1942, J.G. Ziegler and N.B. Nichols published two loop tuning techniques that are still used today by many control engineers and technicians, which are called the ultimate gain method and the ____________________ method.
What will be an ideal response?
Motors larger than ____________________ horsepower run more efficiently and cause less voltage
drop problems when operating with ____________________ volts.
Fill in the blank(s) with the appropriate word(s).A(n) __________ is a straight dashed line that is used to show the lines of an object that are not visible from the view shown in the plan.
a. object line b. dimension line c. hidden line d. centerline
The pressure loss in the liquid line of a split system
A) Is greater when the condenser is above the evaporator B) Is 0 psi if the line is properly sized C) Is the same regardless of the relative positions of the units D) Is greater when the evaporator is above the condenser