If the relative humidity of air at 55°F (13°C) is 65%, which of the following temperatures is a possible dew point?
a. 43°F (6°C)
b. 55°F (13°C)
c. 85°F (29°C)
d. 100°F (38°C)
a. 43°F (6°C)
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If two separate receptacles having different voltages and amperage ratings are installed in a single boat slip, the total load calculation must include _____.
a. only the receptacle with the lower VA demand b. only the receptacle with the higher VA demand c. the receptacle farthest from shore d. both receptacles
An important application of a Johnson counter is
A) frequency division. B) counting in binary. C) counting in decimal. D) easy decoding of timing pulses.
A delta-wye transformer has a turns ratio of 9:1. The primary line voltage is 3600 V. What is the secondary line voltage?
A. 324.02 V B. 692.8 V C. 730.95 V D. 800 V
____ delay changing their contact position when they are turned on or off.
a. Relays b. Timers c. Switches d. Oscillators