The plunger-type of solenoid is generally used with relays that use ____.
a. complementary contacts
b. double-break contacts
c. auxiliary contacts
d. load contacts
b. double-break contacts
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Answer the following statement(s) true (T) or false (F)
1. Materials whose atomic structures do not readily provide free electrons are referred to as good conductors. 2. Conductors and insulators merely represent two extremes between which a great variety of materials are classified as poor conductors or semiconductors. 3. The thicker a wire, the greater its resistance. 4. As the temperature rises, the resistance of metals decreases. 5. The rate at which metals increase in resistance at normal temperatures is called the temperature coefficient of resistance.
Who was the chief author of the Declaration of the Rights of Man?
a. Louis XVI b. Emmanuel-Joseph Sieyès c. Jacques Necker d. the Marquis de Lafayette
A telescopic gauge can be used to measure _______
A) Camshaft bearing out of round B) Housing bore out of round C) Cylinder bore taper D) Any of these
Electric current that regularly reverses direction is called:
A) Alternating current. B) Direct current. C) Ellipsoidal current. D) Potential current.