Answer:
A rivet is a mechanical fastener composed of a head on one end and a cylindrical stem on another (called the tail) which has the appearance of a metal pin.
When installed the rivet is either drilled, placed or punched into a hole, afterwards the tail is then deformed, holding the rivet in place. When finished the tail has the appearance of a dumbbell shape completing the riveted joint.
Answer:
there millions of those account right now sadly
Explanation:
The quantity heat loss through below-grade basement walls at a depth of 6-7 feet with no insulation is C. 0.069
<h3>What is insulation?</h3>
Insulation is the process of constructing a barrier between two objects that reduces heat transfer by either reflecting thermal radiation or decreasing thermal conduction and convection from one to the other. The insulation will be more or less effective depending on the material of the barrier.
We can directly see the value of heat loss below grade basement walls at different depth from the handbook of fundamentals.
Heat loss through below grade basement walls at depth of 6-7 ft with no insulation is
= 0.069 BTU/hr.ft.0F (In English units)
Hence option ( C ) is correct.
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