Select one: b. two sets If a thermistor's resistance increases as temperature increases, the thermistor has a negative temperature coefficient (NTC). If the reading doesnt say OL, it will most read 0-1 ohms, which just means the relay is upside-down. To control a 120-V lighting circuit with a 12-V control circuit. The amount of heat required to raise the temperature of 1 pound of water by 1 degree wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Select one: 0 State a meaning of given word element, and give a medical term that uses it or a slight variation of it. First, Quizlet asks what your goal is for studying: to get a basic understanding, to memorize most terms, or to learn it all. c. sensible a terminal box on the outside houses ceramic insulated motor terminals A PTC (positive temperature coefficient) device is used .. I have a frigidaire chest freezer that sat in a few inches of water for a day. a. Select one: What does the "G" terminal control on a low voltage wall mounted T-sat? a. PPP is equal to the power consumed by RRR. Select one: a. shorted. It uses impellers or wheels and has no valves or pistons and operates at high speeds, This compressor is a piston type compressor used in domestic and commercial systems, The starting winding is wound with finer wire than the running winding so it has greater resistance. . The voltage that powers the coil of a potential relay d. when the fan switch is in the "ON" position. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Although PTC is not found in nature, the ability to taste it correlates strongly with the ability to taste other bitter substances that do occur naturally, many of which are toxins. 1. b. move more rapidly KCSE Biology Questions and Answers - KCSE Biology Revision . Put the probes of a multimeter on the left and right prongs of the compressor. b. b. Select one: Select one: By signing up you are agreeing to receive emails according to our privacy policy. Select one: The second type of internal protection is the thermistors or Positive Temperature Coefficient sensors (PTC). a. Maine False, If the contact points of a thermostatic motor control were to open very slowly, electric arcing could burn the contacts. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Reacts to heat by changing resistance, often to modify an electrical signal being measured by an instrument. Note, a standard relay is also sometimes referred to as a 'Mini Relay'. Select one: False, A PTC relay has a low resistance when the motor circuit is first energized, so it is easier for the current to pass through the PTC relay than through the run capacitor. When the compressor first starts up, the resistance of the PTC stuff is very low and it lets current flow into the start winding of the compressor. timer relays perform the same function as _____ relays except they move their contacts to their energized state after a preset time delay. If the relay still works, you may also need to check the compressor to make sure its still functioning. Which law states that energy cannot be created nor destroyed? 0 Select one: Dear soon i will design a diagram about this. d. one set, Current relays are ____. The current will be present until something finally burns up and stops conducting, or your power source breaker/fuse trips. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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