The owner of a vehicle equipped with cruise control complains that the cruise control often stops working when driving over a rough or bumpy road. Technician A says that the brake switch may be out of adjustment. Technician B says that a defective servo unit is the most likely cause. Who is right?
A) A only B) B only C) Both A and B D) Neither A nor B
A
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Which of the following is a characteristic that helps distinguish fans from blowers?
a. Fans always require more horsepower to move the same volume of air as a blower. b. Fans are able to perform better than blowers when the resistance to airflow is high. c. The airflow is normally parallel to the shaft of a blower. d. The airflow is normally parallel to the shaft of a fan.
What does the design of a mechanical ventilation facility depend upon?
What will be an ideal response?
The subsequent problems with the circuit below where R1 = R2 = R.
If an ideal voltmeter is used to measure the voltage between node C (red or positive lead) and node B (black or negative lead), the displayed value will be
A. V / 2 B. ?V / 2 C. V D. ?V E. 0
The thickness of insulation between the copper conductor and the iron core of a motor armature are 0.002 inch of enameled insulation, 0.006 inch of cotton insulation, 0.010 inch of slot insulation, and 0.008 inch of varnished cambric insulation. Find the total thickness of insulation.
Fill in the blank(s) with the appropriate word(s).