Circular mil sizing runs from 250 MCM (1/2-inch diameter) to ____________________ MCM (1-inch diameter).
Fill in the blank(s) with the appropriate word(s).
750
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What is the main reason people buy flowers?
a. To receive personal recognition c. Out of obligation b. To feel good d. None of the above
Match the following:
1. Project pulsed infrared from a transmitter to receiver 2. Operates at a very high frequency 3. Detect the sound of breaking glass 4. Sense a change in heat 5. Sound waves bounce off the object and back to the sensor’s receiver 6. Must be a direct path from transmitter to receiver 7. Continually emits an infrared light by infrared light-emitting diode 8. Glass break sensor 9. Combine more than one technology in one enclosure 10. Allow security guards to monitor areas where they do not have to be present A. Passive Infrared B. Active Infrared C. Ultrasonic D. Microwave/Radar E. Vibration F. Dual-Technology Motion G. Acoustic H. Photoelectric Beam I. Video Motion Detection
What information is necessary to determine a system balance point?
A) A heat load calculation and the system capacity at two operating conditions B) The balance point is determined as part of the heat load study before the equipment is chosen. C) The balance point for all AHRI rated heat pumps is 35°F. D) The manufacturer's installation instructions, which publish the equipment balance point
More than one view is necessary for any three-dimensional part.
Answer the following statement true (T) or false (F)