What is the difference between the vertical flow and cross flow radiators?
What will be an ideal response?
In the vertical flow radiator, coolant flows from the top tank to the bottom tank. In the cross flow radiator, coolant flows from one side tank to the other side tank.
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Two methods used to aid the evaporation rate of water in a forced or induced draft tower are ____.
A. vortexing and cavitation B. spray pond and prevailing wind C. float type valve and by-pass valve D. splash and wetted-surface (or fill)
Accurate cutter positioning on a workpiece is accomplished by:
A) Using a precision square B) Using the machine dials C) Holding the workpiece in a vise D) Locating the cutter with an accurate steel rule
What advantages do whole house dehumidifiers have over small console units?
What will be an ideal response?
In an AM transmission, why does the carrier contain no information?
A. It is always changing. B. It is related to sine-wave frequency. C. It never changes. D. The signal is a low frequency compared to the carrier.