Technician A says that a generic HH-EST can be used in place of a PC to read a truck data bus. Technician B says that a disadvantage of generic HH-ESTs is that not all OEMs support their software systems. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. In the case of wind turbines, grounding is not necessary for the wind machine tower nor the wind electric system. 2. The wiring for emergency electrical systems is required to be run independently from normal power and lighting circuits. 3. Flame detectors are required by codes. 4. The boundary between the n-type and p-type semiconductors is called a tap. 5. A typical fuel cell power system produces a constant supply of electricity day and night.
Most pipe-cutting dies are ground _____ to cut mild steel pipe. ?
A. deep? B. horizontally? C. vertically? D. at an angle?
PROBLEM 3.41 Two shafts, each of diameter, are connected by the gears shown. Knowing that and that the shaft at F is fixed, determine the angle through which end A rotates when a 1.2-kip ? in. torque is applied at A.
Electrical feedback is usually a result of ________
A) Too high a voltage in circuit B) Too much current (amperage) in a circuit C) Lack of a proper ground D) Both A and B