Engine pre-oiling is recommended for which of these reasons?
A) Fills the oil passages with oil prior to initial start-up
B) Helps the rebuilt engine develop power
C) Both A and B
D) Neither A nor B
A
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Volt-ohm meters only measure volts and ohms.
Answer the following statement true (T) or false (F)
A pressure-temperature defrost control is activated by the ____.
A. difference of the pressure in the fan compartment and the temperature of the coil B. difference in pressure between the outdoor pressure and the fan discharge pressure C. difference in the pressure of the air through the outdoor coil D. difference in pressure of the refrigerant in the condenser and the pressure in the coil
Why, by the late eleventh century, had monastic learning declined in quality?
a. Few men were willing to embrace monastic life anymore. b. Monks disapproved of writing. c. Too many scholar-monks were bound by rigid traditions. d. Too many scholar-monks had begun to forsake learning for prayer.
A duty cycle is the percentage of a 10-minute period during which a welding machine can continuously _____
a. maintain a constant voltage as the output current varies b. produce a constant current over a wide voltage range c. produce its rated amperage without overheating d. establish an arc between the end of the wire electrode and the workpiece