What is the temperature of the exiting gas? B) What is the pressure of the exiting gas if the compressor is reversible? C) The work is supplied by a heat engine with an efficiency of 15%. What rate of heat input is required to run the heat engine?
An ideal gas with a heat capacity of CV* = 4R enters an adiabatic, steady-state compressor at T=300 K and P=1 bar with a flow rate of 10 moles per second. The rate at which work is added to the compressor is 40 kilojoules per second.
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This automotive headlight is coated by ____.
?
A. ?vacuum metallizing B. ?electroplating C. ?laminated vapor plating D. ?knife coating
Define the nitrogen cycle and explain why it is important not to upset its delicate balance found in nature
What will be an ideal response?
The hardness of a supersaturated Al?3% Li?5.5% Mg?0.2% Zr alloy as a function of the aging time and temperature is shown in the following figure.
(a) Describe why at each aging temperature, the hardness goes through a maximum.
(b) Explain why the maximum hardness, and the aging time required for the maximum hardness, increases as the temperature is decreased.
Drum brakes ________
A) Expand outward and stop the rotating drum that is attached to the wheels B) May be used on the rear axle brakes C) Can incorporate a parking brake D) All of the above