List three common ways by which air can find its way into an air conditioning system.
What will be an ideal response?
improper system evacuation, insufficient evacuation time, low-pressure-side leak
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A six cylinder engine uses six fuel injectors connected electrically in two groups of three injectors in parallel. What would be the resistance if three 12-ohm injectors were connected in parallel?
A) 12 ohms B) 36 ohms C) 4 ohms D) 3 ohms
A tank has a volume of 2,000 cubic inches.What is the volume in gallons?
Fill in the blank(s) with the appropriate word(s).
A periodic signal x(t) with a fundamental period of 2 seconds is described over one period by 
Plot the signal and find its CTFS description. Then plot on the same scale approximations to the signal 
given by 
forN = 1,2 and 3. (In each case the time scale of the plot should cover at least two periods of the original signal.)
What will be an ideal response?
When an npn bipolar transistor is in saturation, the voltage across the BE junction is approximately
A. 0.7 V B. 0 V C. 0.9 V D. 0.2 V E. 1.4 V