Automatic or ____ controls for faucets can be effective in reducing water usage where manual controls may be difficult to operate.
A. elbow
B. voice-activated
C. electronic
D. foot
Answer: D
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____ systems provide heating and cooling supply to terminal units by running a heating supply pipe to each terminal.
A. Two-pipe B. Three-pipe C. Four-pipe D. Six-pipe
A certain chemical process is run 10 times at a temperature of 65°C and 10 times at a temperature of 80°C. The yield at each run was measured as a percent of a theoretical maximum. The data are presented in the following table.
a. For each temperature, estimate the mean yield and find the uncertainty in the estimate.
b. Estimate the difference between the mean yields at the two temperatures, and find the uncertainty in the estimate.
By looking at the way diagnostic trouble codes are formatted, which DTC could indicate that the gas cap is loose or defective?
A) P1603 B) P0221 C) P0442 D) P1301
The objective of this problem is to design a combinational logic circuit that will aid in determination of the acceptability of emergency blood transfusions. It is known that human blood can be categorized into four types: A, B, AB, and O. Persons with type A blood can donate to both A and AB types and can receive blood from both A and O types. Persons with type B blood can donate to both B and AB types and can receive from both B and O types. Persons with type AB blood can donate only to type AB but can receive from any type. Persons with type O blood can donate to any type but can receive only from type O. Make appropriate variable assignments, and design a circuit that will approve or disapprove any particular transfusion based on these conditions.
What will be an ideal response?