An automobile horn requires only 0.2 ampere. The resistance is 43 ohms. Find the voltage.
A. 8.3
B. 8.6
C. 8.9
D. 9.2
Answer: B
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PROBLEM 2.39 Two cylindrical rods, AC made of aluminum and CD made of steel, are joined at C and restrained by rigid supports at A and D. For the loading shown and knowing that Ea = 10.4 ? 106 psi and Es = 29 ? 106 psi, determine (a) the reactions at A and D, (b) the deflection of point C.
In the AWS specification for carbon steel-covered arc electrodes, a 4 to the right of the tensile strength indicates the following welding position(s): ____.
A. flat, horizontal, overhead, and vertical-down B. all positions flat, horizontal, vertical, and overhead C. flat only and is no longer used D. horizontal fillets and flat
What is the area of a triangular surface area with height 22' and base of 25'? Give answer in square feet.
What will be an ideal response?
Which two-pipe system arrangement equalizes the distance of the supply and return water flow in the
system to achieve system balance? a. Parallel-loop system b. Reverse-return system c. Series-loop system d. Direct-return system