In an RC parallel circuit, the supply voltage is 120 V, 60 Hz. The resistance is 40 ? and the capacitive reactance is 30 ?. What is the capacitance of the capacitor?
A. 37.89 ?F
B. 53.05 ?F
C. 66.31 ?F
D. 88.42 ?F
Answer: D
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The purpose of the defrost cycle in a heat pump is to _____.
a. warm the unit circuits for optimum electrical operation b. prevent ice buildup on the indoor coil c. prevent ice buildup on the outdoor coil d. remove frost buildup throughout the system ductwork
A force of 240.0 pounds pulls vertically up on an object. A second force of 190.0 pounds pulls horizontally to the right of the object. Compute the force and the direction of the resultant vector. Round the magnitude to 4 significant digits and the angle to the nearest minute.
Fill in the blank(s) with the appropriate word(s).
Electronic power steering (EPS) operation is being discussed. Technician A says the steering sensor informs the EPS control module regarding the direction of steering wheel rotation. Technician B says the interface in the steering sensor amplifies the DC voltage signal from the steering sensor. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
The ________ converts linear motion of the pistons into rotary motion
A) Crankshaft B) Connecting rod C) Camshaft D) None of these