An automotive alternator is rated 500 VA and 20 V. It delivers its rated voltamperes at a power factor of 0.85. The resistance per phase is 0.05 ?, and the field takes 2 A at 12 V. If the friction and windage loss is 25 W and the core loss is 30 W, calculate the percent efficiency under rated conditions.
What will be an ideal response?
Analysis:
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Which of the following is LEAST-Likely a type of dial indicator face?
A. Balanced B. Continuous clockwise C. Graduated D. Continuous counterclockwise
Two technicians are discussing MAP sensors. Technician A says that the MAP sensor should be replaced if anything comes out of the sensor when the vacuum hose is removed from the sensor. Technician B says that the injector pulse width should increase when vacuum to the MAP sensor is increased. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A(n) _________________________ is formulated to help fade the new paint into the original paint when spraying.
Fill in the blank(s) with the appropriate word(s).
Convert 750 degrees F to Celsius. Round to the nearest tenth.
A. 395.6 B. 397.2 C. 398.9 D. 400.8