Which type of braking system engages solenoid-operated friction brakes?
a. Static braking
b. Dynamic braking (DC electric braking)
c. Dynamic braking (AC drives)
d. Electromechanical braking
d. Electromechanical braking
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Technician A says a pyrotechnic-type retractor prevents the belt from coming out of the retractor when there is a sudden pull on the belt. Technician B says an inertia lock retractor uses an explosive charge to quickly tighten the belt at the start of a crash.
a. A only
b. B only
c. both A and B
d. neither A nor B
President Eisenhower's vehemently anti-communist Secretary of State, through most of his two administrations, was
A. John Bricker. B. John Foster Dulles. C. Allen Dulles. D. Dean Acheson. E. George C. Marshall.
The NEC® arose as a consensus of more than 1200 individuals primarily to ____.
A. standardize price schedules B. combat a growing epidemic of electrical fires C. standardize equipment D. use as a marketing tool
A combinational logic configuration for an XOR gate consists of
A) two NAND gates connected to the inputs of an OR gate. B) two inverters connected to two AND gates connected to an OR gate. C) an inverter connected to an OR gate. D) none of the above.