Compute the reactions and draw the shear and moment curves for the beam in Figure P10.14. Given: E = 200 GPa and I = 120 × 10 6 mm 4 .
Hint: take advantage of symmetry to simplify the analysis by slope deflection.
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Depending upon the application, wire sizes are permitted to be as small as ____________________ AWG copper.
Fill in the blank(s) with the appropriate word(s).
For an existing air distribution system where new equipment is being installed, the new air volume needed is unacceptable if it exceeds the existing capacity by more than _____.
a. 10 percent b. 15 percent c. 20 percent d. 25 percent
Which of the following has the advantage of being resistant to shock and vibration and is commonly used for the I/O track of a programmable controller?
a. Solid-state relay b. Mechanically held relay c. Bimetallic overload relay d. Thermal overload relay
When the contacts on a contactor or motor starter begin to stick:
A) They should be replaced. B) They should be reconditioned using a file. C) They should be cleaned with contact cleaner. D) The voltage to the coil should be increased to strengthen the contactor.