What is the difference between parallel and counter flow?
What will be an ideal response?
Parallel flow, with reference to heat exchangers is the arrangement such that
the two fluids, a hot and a cold fluid, flow in the same direction or parallel to
each other. Counter flow refers to the two fluids flowing in opposite directions,
or counter flow, in or around a tube or surface.
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Relate bipolar jets to the T-Tauri phase and Herbig-Haro objects
What will be an ideal response?
When two point charges are 2.0 cm apart, each one experiences a 1.0-N electric force due to the other charge. If they are moved to a new separation of 8.0 cm, the electric force on each of them is closest to
A) 16 N. B) 0.063 N. C) 1.0 N. D) 4.0 N. E) 0.25 N.
A non-foliated metamorphic rock is
A) slate. B) schist. C) gneiss. D) quartzite.
Einstein's mass-energy equivalence () is important to the first phases of the big bang in explaining how____
a. gamma ray photons create matter and antimatter b. stable protons and neutrons can exist below a certain temperature c. antimatter can exist d. matter became more prevalent than antimatter e. the Universe expanded rapidly