Which of the following logic expressions represents the logic diagram in Figure 5-1?
A) X = AB + AB B) X = AB + A B C) X = AB + AB D) X = A B + AB
D
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After calves are weaned, they weigh around _____
a. 100–200 pounds c. 400–500 pounds b. 200–300 pounds d. 500–600 pounds
Technician A says that an alternator overrunning pulley is used to reduce vibration and noise, Technician B says that an overrunning alternator pulley or dampener uses a one-way clutch. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The line current of a delta-wound three-phase motor is:
A) 3 times the phase current. B) Equal to the phase current. C) 1.73 times the phase current. D) 1.5 times the phase current.
A refrigeration system is operating with a vapor charged thermostatic expansion valve. The thermal bulb is sensing a suction line temperature that is higher than the temperature that allows liquid to be present in the bulb. Any additional increases in the evaporator load will ____.
A. increase the bulb pressure and cause the thermostatic expansion valve to open B. increase the evaporator pressure and cause the thermostatic expansion valve to close C. decrease the spring pressure and cause the thermostatic expansion valve to open D. have no effect on the position of the needle (pin) in the seat