For most systems, the minimum velocity in a horizontal suction line is:
A) 3,000—3,500 ft per minute. B) 750—1,000 ft per minute.
C) 1,000—1,500 ft per minute. D) 500—750 ft per minute.
D
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Convert 0.50 in. to millimeters.
a. 25.4 mm b. 127 mm c. 1.27 mm d. 12.7 mm
The air entering a walk-in refrigerator air cooled condenser is 90°. What should the condensing temperature be?
a. 90° b. 100° c. 110° d. 120°
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
The most desirable solution to the hazardous waste problem involves
a. deep well injection b. incineration c. secure landfilling d. source reduction and recycling e. biological treatment