In a 2-ton TX valve system, the unit does not develop full capacity. Head pressure is high, suction pressure is slightly above normal, and subcooling is below normal. What is the problem?
What will be an ideal response?
dirty air-cooled condenser or plugged water-cooled condenser
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When testing a potentiometer type throttle position sensor (TPS) with a DMM set to V-DC which of the following should be true?
A. signal voltage should exceed reference voltage B. signal voltage should increase in steps through the pedal stroke C. reference voltage should decrease as signal voltage increases D. signal voltage should smoothly increase through the pedal stroke
A(n) ____________________ uses vanes and a cam to generate fluid pressure.
Fill in the blank(s) with the appropriate word(s).
A fastener that uses threads on both ends is called a ________
A) Stud B) Crest fastener C) Cap screw D) Machine screw
The diameter of a driven pulley is 5 inches. The pulley is rotating at 450 rpm. The driver pulley is rotating at 1,500 rpm. Find the diameter of the driver pulley in inches.
A. 1.5 B. 2.0 C. 2.5 D. 3.0