The horizontal braces called walers are held in place on the outside of forms by _____.
a. wedge bolts
b. form ties
c. waler clips
d. bracing pins
Answer: B
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Technician A says that electric vehicles are classified as ZEV. Technician B says that electric vehicles are limited in range by their batteries. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A technician applies 40 pounds of force to the end of a 2-foot breaker-bar. How much torque is generated?
What will be an ideal response?
When troubleshooting an electric furnace, you find that the blower is operating, but cold air is coming out of the ducts, the thermostat is calling for heat, and the fan setting is on auto. What would be the most likely problem?
A. defective fan relay B. defective thermostat C. open heating elements D. defective blower motor
High definition TVs use a format in which there are 1,920 × 1,080 pixels on the TV screen. Each of these pixels has 16 different brightness levels, and pictures are repeated at the rate of 30 frames per second. Assuming that all brightness levels are equally likely to occur, calculate the average rate of information conveyed by the TV. [Hint: If the rate at which source X emits symbols is r symbols/s, the information rate of the source is given by R = rH(X) bits/s. You can think of the TV screen as a source and all the brightness levels of the pixels as the set of possible outcomes of the source.]
What will be an ideal response?