Why are heated diode leak detectors better than corona discharge leak detectors?
A) Heated diode leak detectors use infrared lights in leak detection.
B) Heated diode leak detectors can detect greater amounts of coolant.
C) Heated diode leak detectors are not as prone to false alarms.
D) Heated diode leak detectors are less expensive to replace.
C
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Answer the following statement(s) true (T) or false (F)
1. A home automation system will add load to the home’s AC electric wiring. 2. The first and still most common method of lighting control and automation uses X-10 power-line (PLC) technology. 3. For lights in a single zone, try to connect as many as you can in daisy chains to minimize the number of control modules you need. 4. An X-10 command module must connect to an electrical outlet in order to transmit its signals on the AC wiring. 5. If only some circuits in the house are turned off, it is same to assume every outlet or fixture you are working on is off.
Mr. Smith has 10 acres of dwarf peach trees. The trees are set 12 feet apart in rows 16 feet apart. They average 3.8 bushels per tree. He had a 20 percent loss of damaged fruit. He applied 98-48-135 units of fertilizer per acre made from 46-0-0 urea, 18-46-0 DAP, and 0-0-60 muriate of potash.
a. How many peach trees does he have? b. How many bushels of peaches were harvested? (Note: Do not forget the loss.) c. How many tons of fertilizer were applied?
?How much of the surface beside a weld groove must be cleaned for the AWS SENSE workmanship samples?
A. ?½ in. (13 mm) B. ?1 in. (25 mm) C. ?¾ in. (19 mm) D. ?2 in. (50 mm)
ASE-Style Multiple Choice A(n) ____ wrench, like the hand ratchet, has a special ability to work in hard-to-reach places.
A. impact B. air drill C. file D. air ratchet