Relays with reed and mercury wetted contacts have the lowest contact resistance
Indicate whether the statement is true or false
TRUE
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The time-delay, low-voltage release device consists of a single-pole, normally open control relay, an electrolytic capacitor, a rectifier, two resistors, and a control ____.
a. solenoid b. transformer c. amplifier d. photocell
The blowers of high sidewall ductless indoor units _____.
a. are usually propeller fans b. use long, slender centrifugal blower wheels c. use very short, large-diameter blower wheels d. are often backwardly inclined
Certain types of trees dominate a region due to a natural process called _____
a. work c. progress b. succession d. regression
When diagnosing an electronic distributor ignition system, a 12-volt test light connected from the negative primary coil terminal to ground flutters while cranking the engine. A test spark tester does not fire when it is connected from the coil secondary wire to ground while cranking the engine. The cause of this problem could be a ________
A) Defective ignition coil B) Defective primary circuit C) Defective ignition module D) Defective pickup coil