If a gas furnace consistently cycles off on the temperature limit switch, a likely cause is _____
a. a defective igniter
b. a dirty air filter
c. a defective inducer
d. inadequate primary air
b
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Which of the following specs is the usual start-test spec when testing an air-to-air, boost air heat exchanger?
A. 5 psi B. 15 psi C. 30 psi D. 50 psi
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In the truss shown, find the value of ?1 in degrees.
Fill in the blank(s) with the appropriate word(s).
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________ circuits contain 1,000,000 gates per chip
Fill in the blank(s) with correct word
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How does a PN junction photodiode operate?
What will be an ideal response?
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