A 250 ?A current flowing through a 4.7 k? resistor produces a ________ voltage drop
A) 1.18 V B) 18.8 V C) 53.2 V D) 1.18 mV
A
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A welder has an order for 9 pieces of angle iron, each 7 1/4” long. What is the total length of the angle needed to complete the order, in inches? Disregard waste per cut.
A vertical siding in which narrow boards overlap wider boards underneath is called _____.
a. board-and-batten b. reverse batten c. board-on-board d. shiplap
Why do the refrigerant and the water flow in opposite directions in a heat exchanger?
What will be an ideal response?
Technician A says that when testing the performance of a dual circuit foot valve, it is normal to measure about 2 psi (14 kPa) higher pressure in the outbound primary circuit than in the outbound secondary circuit. Technician B says that warped trailer air disc brake rotors can cause foot valve chatter during service applications. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B