The three methods most often used to quantify duct leakage rates are
A) duct pressurization, duct draw down, and cross-sectional analysis
B) leakage area, duct draw down, and cross-sectional analysis
C) cross-sectional analysis, duct pressurization, and leakage area
D) percentage of design flow, airflow per 100 sq ft of conditioned space, and leakage area
D
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The proper grease to use with CV joints is ________.
A) Dark blue EP grease B) Black chassis grease C) The grease that is supplied with the boot kit D) Red moly grease
Which starting system component uses a small amount of current to control a large amount of current?
A) Starter brushes B) Starter drive C) Neutral safety switch D) Starter solenoid or relay
Which of the following is NOT considered an input for the ECM?
A) Sensor B) Photocell C) Switch D) Electric motor
How can moisture in the refrigeration system affect the metering device?
A) Water in the system improves operation of the metering device through hydronic cooling. B) Water will improve the thermal contact of the expansion valve bulb. C) Water can freeze up at the metering device, causing a restriction. D) Water will not affect metering device operation.