Technician A says to soak the piston rings thoroughly in oil before installing them to prevent wear during initial break-in. Technician B says a bad fuel pump can trigger a knock sensor. Who is right?
A. Technician A
B. Technician B
C. Both technicians
D. Neither technician
Answer: C
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In a cellular system, diffraction, reflection, and direct path take different amount of time for the signal to reach an MS. How do you differentiate and use these signals? Explain clearly. Compute the level crossing rate with respect to the rms level for a vertical monopole antenna, assuming the Rayleigh faded isotropic scattering case. The receiver speed is 20 km/hr and the transmission occurs at 800 MHz.
What will be an ideal response?
Technician A says a faulty head gasket can cause the oil to mix with coolant. Technician B says this is called cross fluid contamination. Which technician is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
OSHA's Construction Safety and Health Regulations require that the sides of all earth embankments and trenches over 6'0"deep be adequately protected by a shoring system or by cutting back the sides of the excavations to a safe angle.
Answer the following statement true (T) or false (F)
An SQO sequencer with a 48 bit word length is needed where data starts at N7:20, length is 12, and the least significant output bit is O:1.0/0. Which one of the following statements correctly describes the ladder logic and sequencer configuration used for this application?
A) The three cascaded SQO sequencers would be placed on a single rung in series to link the three 16 bit outputs together. B) The three cascaded SQO sequencers on a single rung would have identical parameter values in the mask, control, length, and position elements. The starting field address for upper 16 bits would be N7:20, the middle 16 bits would be N7:35, and the lower 16 bits would be N7:50. The destination addresses from MSBs to LSBs would be O:1.0, O:2.0, and O:3.0. C) The three cascaded SQO sequencers on a single rung would have identical parameter values in the mask, control, length, and position elements. The starting field address for upper 16 bits would be N7:50, the middle 16 bits would be N7:35, and the lower 16 bits would be N7:20. The destination addresses from MSBs to LSBs would be O:3.0, O:2.0, and O:1.0. D) The three cascaded SQO sequencers on a single rung would have identical parameter values in the field, mask, destination, control, length, and position elements.