An octane number is a measure of a gasoline's_________ quality.
Fill in the blank(s) with the appropriate word(s).
Anti knock
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The use of a selector switch in the control circuit to obtain jogging requires a three-element control station with start and stop controls and a ____ switch.
a. temperature b. selector c. pressure d. limit
Carnot cycle refrigeration efficiency improves under which of the following conditions? Select all that apply.
A) Condenser temperature is lower. B) Evaporator temperature is higher. C) Condenser temperature is higher. D) Evaporator temperature is lower.
The fuel mixture starts out in the bottom of a two-stroke engine crankcase.
Answer the following statement true (T) or false (F)
Gas and oxygen hoses do not need to be inspected before every shift and removed from service if any defect is found.