List 10 features commonly found on vacuum pumps.
What will be an ideal response?
pump inlet port, pump exhaust, isolation valve, oil cap, oil drain plug, oil cartridges, sight glass, gas ballast, vacuum gauge, lifting eye
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Describe why ignition timing is advanced as engine RPM increases.
What will be an ideal response?
Asphalt is also called _____.
a. bi-level concrete b. black concrete c. bitumen d. muck
Ten moles of a gas are cooled at a constant pressure of 20 bar. The initial temperature is 400 K and the final temperature is 300 K. The gas is known to follow the equation of state: V = RT/P + aP2, where a=0.01 L/bar2mol.
A) Prove that (dU/dT)P is equal to CP - P(dV/dT)P. You may use this equality in solving other test problems even if you are unable to prove it. B) Find ?U for the gas in this process. C) Find ?S for the gas in this process. The ACTUAL heat capacity for the gas at the pressure P=20 bar is constant and equal to CP=75 J/mol-K.
Read the setting on this customary vernier micrometer scale graduated in 0.0001".
Fill in the blank(s) with the appropriate word(s).