Technician A says that spring tension against a spool valve regulates system pressure in a hydraulically controlled transmission. Technician B says that a 50% pulse width modulation means that the pressure regulator valve is closed 50% of the time. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician Anor Technician B

Consumer and commercial products today must meet __ requirements for emission of electromagnetic and electronic noise. NFPA UL Federal Communication Commision (FCC) NEC

Pneumatic energy is controlled by __ Pipes Engineers Systems Valves

AFCI protection can only be provided in a listed outlet branch circuit type arc-fault circuit interrupter receptacle. True False

How far from the end of the conduit should the first mark be made for a box offset? 3 inches from the end of the conduit. $2-2.5$ inches from the end of the conduit. 1 inch from the end of the conduit. 4 inches from the end of the conduit.

What is a characteristic of a pipe clamp? two fixed jaws rounded, toothed jaws for gripping pipe exceptionally large jaws a length of pipe for a spine

5 In the fire tests , how long did it take the UHP fire stream to reduce the ceiling temperature by $500^{\circ }F$ 60 seconds 75 seconds 90 seconds 40 seconds

Technician A says that the gear ratios of both differentials are the same in a four-wheel-drive vehicle. Technician B says that the rear differential has a slightly higher ratio (lower number) than the front differential. Which technician is correct? Select one: A. Technician A only B. Technician B only C. Both technicians A and B D. Neither technician A nor B

Which of the following statements about a torque converter is FALSE? A. Torque converters are more efficient than a direct drive B. Torque converters were developed to provide ease of operation Torque converters automatically vary the output C. required at the wheels to meet the changing load requirements of the machine D. Torque converters do not increase engine horsepower

Which torque converter component is attached to the transmission input shaft? a. The stator b. The impeller c. The turbine d. The transmission pump

The MD line of Detroit Diesel engines equipped with the Bosch CRSN $3-25$ common rail fuel system can accommodate as many as __ individual injections. a. Three b. Five c. Seven d. Nine