What hardware is required for a computer to store the output of a strain gage bridge circuit automatically?
A. LVDT
B. piezoelectric accelerometer
C. D/A converter
D. J-type thermocouple
E. A/D converter
Answer: C
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What might be done to prevent a fire in an older cooling tower made of wood?
A. Install fire extinguishers often. B. Install additional fans. C. Avoid using heat exchangers. D. Place regular water hoses with lawn sprinklers on top of the towers.
Solve the quadratic equation: x
+ 8x = 4x + 12.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT an energy source for small roomspace heaters?
A) Liquid B) Solid C) Nuclear D) Electric
How is a velometer used to determine the CFM at a supply register?
A) The average air velocity is multiplied by the free area of the register. B) The average air velocity is the same thing as CFM. C) The average air velocity is multiplied by the face area of the register. D) The average air velocity is multiplied by 1.08.