When is valve float more likely to occur?
A. high engine speeds
B. low engine speeds
C. engine rated speeds
D. engine lugdown
Answer: A
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Winter wheat is planted in the _____ and harvested in the _____
A) summer, fall B) fall, summer C) spring, summer D) summer, spring
A weak-sounding horn is being diagnosed. Technician A says that a poor ground connector at the horn itself could be the cause. Technician B says that an open relay can be the cause. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Because the gate-to-source voltage is reverse biased, the JFET has a(n) ____ input resistance.
A. low B. moderate C. high D. extremely high
Answer the following statement(s) true (T) or false (F)
1. The entire volume of system fluid reaches the maximum fluid temperature simultaneously. 2. Most modern diaphragm-type tanks use a butyl rubber or EPDM diaphragm. 3. It is good practice to install a pressure-regulator valve near the inlet of any expansion tank. 4. The expansion tank should always be connected to the system near the outlet port of the circulator. 5. Many systems with chronic “air problems” can be corrected by simply rearranging the piping so that the circulator pumps away from the point of no pressure change.