What does a pozzolanic material consist of?
What will be an ideal response?
A pozzolanic material consists of extremely small (microscopic) particles of amorphous silica. When a rock is
heated to a temperature that it virtually melts, it is said to have reached an amorphous (glassy) state and the rock is
said to have turned into amorphous silica.
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In a right triangle the side opposite the right angle is called the hypotenuse.
Answer the following statement true (T) or false (F)
If you add the angles in any triangle they will total 180 degrees
Indicate whether the statement is true or false
When a DDC control system is used, the occupancy period control is found in the _____
a. zone sensor b. zone controller c. DDC software EXE file d. main control panel
Technician A says refrigerant leaves the compressor as a high-pressure liquid. Technician B says the condenser changes the high-pressure liquid refrigerant into a high-pressure vapor. Who is correct?