What will be the propagation delay between a satellite and an earth-based mobile station if the satellite is located at a distance of 850 km and if its inclination angle is 35 ?
What will be an ideal response?
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Answer the following statements true (T) or false (F)
1. Everything else being the same, a concrete with a larger coarse aggregate requires less Portland cement and water paste to give the same concrete strength. 2. Lightweight structural concrete is heavier than insulating concrete. 3. After concrete has been placed in the form, it should be consolidated as much as is economically practical. 4. The rate at which concrete gains strength increases as the ambient air temperature increases. 5. According to building codes, plain concrete (concrete without steel reinforcement) is not permitted in new construction.
Which of the following commercial loads can be fed from a regular circuit rather than an emergency circuit?
a. Exit lights b. Life safety systems c. Fire alarm systems d. Computer equipment
To make sites more sustainable by collecting rainwater _____________________.