When the outputs of several open-collector TTL gates are connected together, the gate outputs
A) produce more voltage. B) are ANDed together.
C) produce more fan-out. D) usually burn out.
B
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Mum media is available in soilless culture. The water being applied to the media should be tested for a pH value of _____
A) 5.5 to 5.8 B) 5.9 to 6.2 C) 6.3 to 6.5 D) above 6.5
What is the maximum level of the normal CO range?
A) 10 ppm B) 36 ppm C) 1 ppm D) 9 ppm
If the tungsten electrode touches the filler metal during welding, the welder must _____
A) touch the electrode to the weld puddle B) increase the push angle C) discard the electrode D) remove and clean the electrode
Technician A says that pick hammers and pick tools cause corrosion hot spots that must be repaired with corrosion protection. Technician B says that pulling tools are often used when two-sided access is not possible. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B