The subsequent problems deal with the 2-bit A/D flash converter shown below where Vmin is 0V and Vmax is 4V. Assume the comparators have standard TTL outputs (not open-collector).
If Vin is 1.5V and trigger is high, what is G1?
A. 0
B. 1
Answer: A
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Write a set of mesh equations for the circuit in Fig. 3.110. Use MATLAB to determine the mesh currents.
 FIGURE 1.png)
Leaks in refrigeration systems other than air-conditioning systems, commercial refrigeration systems, or industrial process cooling systems must be repaired if they have an annual leak rate of:
A) 10 percent of the charge per year. B) 15 percent of the charge per year. C) 25 percent of the charge per year. D) 35 percent of the charge per year.
What component is used to compensate for different pressure drops and load requirements?
A) Return pump B) Venturi units C) Check valve D) Balancing valves
Technician A says that blocking is used to remove the shine from a paint surface before refinishing. Technician B says that blocking is done to level the high spots in an uneven repaired surface. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B