Which of the following could be a reason for poor cold engine performance?
A) Insufficient fuel volume B) Contaminated fuel
C) Low fuel pressure D) All of these are correct
D
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219 pounds of grout are needed for a geothermal? well. 135 pounds are already in the warehouse. How many pounds of grout are still needed?
Fill in the blank(s) with the appropriate word(s).
Before starting to change a belt on a belt drive blower, the technician should:
A) Wedge a metal bar between the pulley and the unit housing to prevent it from starting. B) Turn the power to the unit off and lock it out. C) Turn the thermostat off and leave instructions not to turn it on. D) Put on heavy work gloves in case the unit is inadvertently started while changing the belt.
Which of the following has a lightweight coil attached to the pointer mechanism and another stationary coil, which is used as a magnet to provide the magnetic field for the moving coil?
A. Electrodynamometer movement B. Voltmeter C. Ohmmeter D. Galvanometer
Schematic spring representations show ____.
A. major diameter; diagonal lines B. approximate representation of the coils using lines C. minor diameter and free length; diagonal lines D. free length and pitch; horizontal lines E. none of the above