Page 49 - Apprentice Manual_Neat

125. Device B in the figure on the previous page is:

a. Photo proximity switch
b. Magnetic pick-up
c. Pneumatic sensor
d. Magnetic speed controller

126. Device A in the figure on the previous page is:

a. Governor
b. Actuator
c. Regulator
d. Monitor

127. Instability in an Electronic Speed Control system is caused by which of the following:

a. Over-damping or setting the gain too low
b. Under-damping or setting the gain too high
c. Utilizing feedback control instead of feed-forward control
d. Advancing the timing of the ignition too far

128. When a generator is in parallel with a utility grid, which of the following does the engine governor
control?

a. Kilowatts produced
b. KVAR
c. generator output voltage
d. Engine speed

129. There are three types of governors: Electronic, Mechanical, and __________.

a. Pneumatic
b. Hydraulic
c. Centrifugal
d. DC servo

130. Upsets in system actuators are inevitable. When such an upset happens the system can tolerate:

a. Absolutely NO oscillations
b. Up to 10 before shut-down
c. Minimal
d. Uncontrolled

Page 41 - EGSA Apprentice Certification Program Study Guide