The example shown is an example of a webbed website structure.
Answer the following statement true (T) or false (F)
False
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What was deBroglie's revolutionary idea about atomic structure?
a. Electrons orbit a nucleus. b. The atom is like a plum pudding with electrons stuffed into a positively-charged shell. c. Photons behave like waves. d. Electrons behave like waves. e. It is not possible to specify the position and momentum of a photon both exactly at the same time.
Which of the following atoms normally has one covalent bond to it?
a. Cl b. Te c. Si d. N e. Ne
Determine the outlet temperature of oil for the same initial temperatures of the fluids if the flow arrangement is one shell pass and two tube passes, but with the same total area and average overall heat transfer coefficient as the unit in
• Water cooling oil in a tube and shell heat exchanger
• Water flow rate ( m
w)= 1.25 kg/s
• Oil flow rate ( m
o)= 2.5 kg/s
• Oil specific heat (cpo) = 2093 J/(kg K)
• Water inlet temperature: (Tw,in) = 15°C
• Oil inlet temperature: To,in = 95°C
• Overall heat transfer coefficient (U) = 280 W/(m2 K)
• One shell and two tube passes
• Same surface area as Problem 10.23: A = 11.2 m2
FIND
• The oil outlet temperature (To,out)
SKETCH
PROPERTIES AND CONSTANTS
the specific heat of water (cpw) = 4187 W/(kg K)
The antiparticle of the electron is the
A) neutron. B) neutrino. C) proton. D) photon. E) positron.