Which of the following best describes the role of an air compressor?
A. a motor
B. an engine
C. an air pump
D. an air cleaner
Answer: C
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If a transmission has only one pressure test port, it will be for ________.
A) Line pressure B) Governor pressure C) Modulator pressure D) None of these
An I-4 engine has a theoretic airflow of 241.6 CFM. The actual airflow into the engine is 212.0 CFM. Calculate the volumetric efficiency, rounding to the nearest percent
What will be an ideal response?
Two technicians are discussing a fuel gauge on a General motors vehicle. Technician A says that if the ground wire connection to fuel tank sending unit becomes rusty or corroded, the fuel gauge will read higher than normal. Technician B says that when the power lead to the fuel tank sending unit is disconnected from the tank unit and grounded (ignition on), the fuel gauge should go to empty. Who
is right? A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
A rectangular voltage pulse which begins at t = 0, is 2 seconds wide and has a height of 0.5 V drives an RC lowpass filter in which R = 10 k? and C = 100 ?F.
a) Graph the voltage across the capacitor versus time. (b) Change the pulse duration to 0.2 s and the pulse height to 5 V and repeat. (c) Change the pulse duration to 2 ms and the pulse height to 500 V and repeat. (d) Change the pulse duration to 2 ms and the pulse height to 500 kV and repeat. Based on these results what do you think would happen if you let the input voltage be a unit impulse?