Direct measurement devices are also referred to as being __________.
A. invasive
B. noninvasive
Answer: A
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Weep ropes should be pulled out of the wall after the wall is completed.
Answer the following statement true (T) or false (F)
Steel members are referenced to their ____.
A. tops B. bottoms C. centers D. edges
Which type of fish is unlikely to survive if the temperature falls much below 50°F?
a. Trout c. Sunfish b. Catfish d. Tilapia
separately excited, dc motor has the following name plate ratings:
Terminal voltage = 400 V Speed = 1250 rpm Developed torque at full load = 90 Nm Full-load armature current = 30 A A single-phase, full-wave, ac/dc converter is connected between a 480 V (rms) ac source and the armature terminals. A fan-type load is connected to the motor. When the triggering angle is adjusted to 40o, the motor speed is 1050 rpm. Calculate the triggering angle required to operate the motor at 1200 rpm. Assume that the armature current is always continuous.