Technician A says that vehicle history records are never very helpful in determining problems. Technician B says that the owner's manual is very helpful to the service technician because it includes the procedures for resetting the maintenance reminder light (oil change light). Which technician is correct?
A) Technician A B) Technician B C) Both A and B D) Neither A nor B
B
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The mechanical engineer’s scale includes a decimal scale with 50 calibrations per inch, which means that decimal inches can be read directly to what fraction of an inch?
a. 0.01 b. 0.02 c. 0.05 d. 0.005
A hydraulic cylinder is used to raise the bucket on a front-end loader. The output piston measures 1.8 inches in diameter. A pressure of 1,600 pounds per square inch (psi) is applied to the piston.
a. What is the area of the output piston to the nearest tenth of a square inch? b. What is force exerted by the piston tothecorrect number of significant digits?
(a) Calculate the phase shift of the circuit in Fig. 9.82.
(b) State whether the phase shift is leading or lagging (output with respect to input).
(c) Determine the magnitude of the output when the input is 120 V.
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Machines controlled by data that are specially coded with numbers, letters, and special characters are operated by ____.
A. automated control B. semantic control C. numerical control D. batch control