Which of these symbols represents a fuse in an electrical diagram?
A) === B) C) --- D) None of these
B
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The purpose of the engineer's scale rule is to enlarge the size of the drawing plan.
Answer the following statement true (T) or false (F)
If the safety reset on an oil furnace primary control is tripped:
A) The burner motor will not operate. B) Nothing on the furnace will operate. C) It will automatically reset on the next call for heat. D) The ignition transformer will not operate.
A certain printer requires that all of the following conditions be satisfied before it will send a HIGH to a microprocessor acknowledging that it is ready to print:
1. The printer's electronic circuits must be energized. 2. Paper must be loaded and ready to advance. 3. The printer must be "on line" with the microprocessor. As each of the above conditions is satisfied, a HIGH is generated and applied to a 3-input logic gate. When all three conditions are met, the logic gate produces a HIGH output indicating readiness to print. The basic logic gate used in this circuit would be a(n): A) OR gate. B) NOT gate. C) NOR gate. D) AND gate.
All of the following are requirements of the Federal Bridge Formula EXCEPT:
A. a typical 80,000-pound (36,287 kg), fixed-axle highway rig should carry 12,000 pounds (5,443 kg) on the front axle B. a typical 80,000-pound (36,287 kg), fixed-axle highway rig should carry 17,000 pounds (771.1 kg) on each of the tandems C. the distance between the middle of a tractor's front axle and the middle of the rearmost axle must be at least 14 feet (4.3 m) D. minimum distances between the tractor and the trailer axles