Calculate the maximum coefficient of heat pump
An air conditioner running with R-134a on a cycle executed under the saturation dome between the pressure limits of 0.8 MPa and 0.12 MPa. Calculate the maximum Coefficient of this heat pump.
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A cantilever beam member made from steel with hollow circular cross section experiences an axial load of 300 KN (F1). Compute the reaction forces and bending moment on the beam.
A uniform electric field with a magnitude of 6270 N/C points in the positive x direction. Find the change in electric potential energy when a +12.5 µC charge is moved 5.16 cm in the following directions.
What is the balanced chemical reactions when carbon dioxide reacts with water? How can carbon dioxide change the pH of water and what happens to the pH when this happens, does it go up or down?
Suppose that a data set has a minimum value of 24 and a maximun of 79 and that you want 5 classes. Explain how to find the class width for this frequency table. What happens if you mistakenly use a class width of 11 of 12?
An air conditioner running with R-134a on a cycle executed under the saturation dome between the pressure limits of 0.8 MPa and 0.12 MPa.
A dolphin in 25°C sea water emits a sound directly toward the bottom of the ocean 105 m below. How much time passes before it hears an echo? (The speed of sound in sea water is 1530 m/s.)
If the boy has three bricks weighing 10 lb each and throws them with a horizontal velocity of 10 ft/s relative to the wagon, determine the velocity he attains (a) if he throws the bricks one at a time and (b) if he throws them all at once.
Perform a hypothesis test to see if there is significant evidence to conclude that there is an interaction between the grow-light and the plant food used? Perform a hypothesis test to see if there is no difference between the effects of plant foods
Describe the metallic bonding present in aluminium and explain why aluminium has a higher melting point Why does aluminum have a higher melting point than sodium?
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