While having a discussion, Technician A says that the A-circuit has the regulator in the ground circuit and is the type used most often with electronic systems. Technician B says that it is the B-circuit that is configured that way. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: A
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En un circuito de atenuación diseñado correctamente utilizado con aparatos de iluminación HID,
a. la acción de atenuación ocurre inmediatamente después de la activación. b. la atenuación se demora hasta que la lámpara se haya calentado por completo. c. la iluminación producida por el accesorio siempre se reduce al 50% de su salida normal. d. NO es posible el uso de dos o más niveles de iluminación fijos.
Ms. Kim wants to cover the width of a round bale of hay with a plastic sleeve. The bale is 4.2 feet wide and 5.4 feet in diameter. What is the area of the plastic sleeve?
What will be an ideal response?
If the sale price of fed cattle is $70 cwt. and the cost of gain was $55 cwt., the feeding
margin is: A. positive. B. negative.
Why must zeotropic refrigerant leave the cylinder as a liquid?
A) To reduce the risk of noncondensables entering the system B) To avoid condensation C) To keep the pressure in the cylinder at a safe level D) To avoid fractionation