In the setup shown, if water is flowing, the pressure gage should read:
(A) 640 kPa
(B) 760 kPa
(C) 820 kPa
(D) 940 kPa
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If the rate of change of the magnetic field applied to a loop of wire is doubled, what happens to the induced emf in that loop assuming all the other parameters remain unchanged?
A) It is doubled. B) It stays the same. C) It is reduced by a factor of 2. D) It is quadrupled. E) It is reduced by a factor of 4.
Determine the mass flow rate of R-134a required for steady state of the cross-flow heat exchanger shown. Air at 30ºC enters at a rate of 3.6 kg/s and leaves at 10ºC. The refrigerant enters at -10ºC, leaves at 5ºC, and has a specific heat of 2.1 kJ/kg?K.
The science of increasing the strength of materials is the science of controlling the structure and _____________in materials.
Fill in the blank(s) with the appropriate word(s).
Two particles (m1 = 0.20 kg, m2 = 0.30 kg) are positioned at the ends of a 2.0-m long rod of negligible mass. What is the rotational inertia of this rigid body about an axis perpendicular to the rod and through the center of mass?
a. 0.48 kg/m2 b. 0.50 kg/m2 c. 1.2 kg/m2 d. 0.80 kg/m2 e. 0.70 kg/m2