Why have some digital meters added an analog sliding scale?
What will be an ideal response?
Answer: Some digital meters have incorporated an analog sliding scale that appears across the digital meter face so that it is possible for the technician to have both the digital number and an analog reference.
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Two technicians are discussing inspection of the transmission pan. Technician A says that some friction material at the bottom of the pan is normal. Technician B says that if any metal parts stick to a magnet then further investigation is needed to determine the cause. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
An initially evacuated tank is to be filled with N2 gas from a supply line. The N2 gas in the supply line is at 20oC and 800 kPa. The volume of the tank is 0.5 m3, and the tank is to be filled until the pressure in the tank is 750 kPa. Determine the amount of N2 that flows into the tank, and the final temperature of the N2 in the tank, assuming that the tank is insulated.
State i: Inlet (Supply Line); State 1: Initial State; State 2: Final State Given: N2; Ti = 20oC; Pi = 800 kPa; V = 0.5 m3; P2 = 750 kPa; Assume: P1 = 0; m1 = 0 (initially evacuated); Q = 0 (insulated). Also, as no information is given and these terms are unlikely to be significant, W = 0, and kinetic and potential energy can be neglected. No flow out of the tank. N2 is an ideal gas with variable specific heats.
Technician A says DTCs can be set by out of range signals from electronic components. Technician B says remember to determine if the problems causing a DTC are hydraulic or mechanical related. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A solar water heater system heated 67.4325 gallons of wat?er during 9.25 hours one day. What is the rate of water heating by this system in gallons per hour?
Fill in the blank(s) with the appropriate word(s).