An alternator diode is being tested using a DMM (digital multimeter) set to the diode check position. A good diode will read ________ if the leads are connected one way across the diode and ________ if the leads are reversed
A) 0.475 ohms/0.475 ohms B) 300 ohms/300 ohms
C) OL/OL D) 0.551 ohms/OL
D
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How are auxiliary electric heaters typically sized for a heat pump system?
a. 5kW per 8,000 cu ft of building volume b. 2 times compression heat capacity c. 10kW per 1,000 sq ft of floor space d. at or near 100 percent of the building's heat load
A large block of text in a sans serif font is difficult to read because the characters in sans serif fonts do not have:
a. hats b. hands c. feet d. shoes
When the amount of material to be removed by machining is specified, a numerical value is placed:
A. To the right of the machining symbol. B. To the left of the machining symbol. C. Above the "V" of the machining symbol. D. Wherever is most convenient.
Why is it important to limit the pressure in a chiller?
A) Chiller disks have low rupture thresholds. B) Heavy pressure will cause valve damage. C) Pressure gauges cannot detect high pressure levels. D) Chiller system hoses easily burst.