Recompute the reactions, draw the shear and moment curves for the beam in Figure P9.6 if support B settles by 1.5 in.. Check and compare your answer to that obtained using RISA-2D, and compare the change in reaction when B settles by 0.75 in., 3.0 in. What do you observe?
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Answer the following statements true (T) or false (F)
1. In a suspended ceiling system, steel hanger wires are supplied by the manufacturer already cut to length. 2. The strongest metal suspension system is always a properly installed direct-hung system. 3. It is not possible to use lath and plaster with a suspended ceiling structure. 4. Ceiling materials are essentially limited to drywall, lath and plaster, and acoustical tiles.
Explain why gypsum board is an excellent material for providing fire resistance in building assemblies.
What will be an ideal response?
A full-wave rectifier circuit using a 24 V center-tapped transformer has a load resistor (RL) of 4.7 k?. The dc load voltage for the circuit is
A) 10.79 V B) 16.25 V C) 32.5 V D) 10.4 V
In case of which fires can you use water to put it out?
a. Tire fires. b. Gasoline fires. c. Electrical fires. d. Diesel fires.