How would you describe a foundation called footing? Is it a deep foundation or shallow foundation?
What will be an ideal response?
A footing is a widened base of a wall or column that spreads the load on a larger area. It is a shallow foundation.
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?Cultured marble is a product that contains marble dust or ____ as the filler and polyester plastics as the binding material.
A. ?polymerized resin B. ?epoxy C. ?silicones D. ?limestone
The ____ in the three-phase system consists of six diodes and is connected to the alternator.
a. inverter b. diverter c. converter d. rectifier
The transfer of heat by direct contact is called _____.
a. conduction b. convection c. radiation d. evaporation
Which of the following describes bonding?
a. Connecting to the ground or to a conductive body that extends the ground connection b. Connecting to establish electric continuity and conductivity c. Connecting the normally noncurrent-carrying metal parts of equipment together and to the system grounded conductor d. Securing a bonding conductor to an outlet box