A __________ is made up of two rotary pumps where the outlet of one pump is the inlet of the second.
What will be an ideal response?
two-stage rotary vacuum pump
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Blue smoke emission from a truck diesel engine is usually caused by:
A. an oil leak B. semi-combusted oil in the exhaust gas C. over-fueling D. air starvation
In polar coordinate dimensioning, points are defined by their rotational angular position from the reference axis and by the radial distance from the origin
Indicate whether the statement is true or false
While performing a starter current draw test, you notice the current draw is more than specified. The battery voltages and cranking speed appear to be less than specified. What is the cause of your problem?
A. High resistance in the field windings B. A burned solenoid disc and terminals C. Worn bushings in the starter motor D. High resistance in the battery positive cable
Which hazard is of particular concern in a basement fire?
a. storage of flammable/hazardous materials b. smoke and heat venting up the stairs toward fire fighters c. excessive property damage from cutting interior vent holes d. an air-tight compartment prone to backdraft