The specific gravity of diesel fuel is measured in what units?
A) Cetane number B) Hydrometer units C) API gravity D) Grade number
C
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A water-resistant barrier must be installed under standing-seam metal roofs because such roofs are subject to _____.
a. leakage b. condensation c. seam failure d. evaporation
When new cattle are brought to a farm, they should be immediately integrated with the other cattle
Indicate whether the statement is true or false
Technician A says that the secondary air injection (SAI) system forces air at low pressure into the exhaust to reduce CO and HC exhaust emissions. Technician B says that a check valve is used between the AIR pump and the exhaust manifold to prevent exhaust gases from damaging the AIR pump and valves. Who is right?
A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B
The basic logic device that always has a single input is the:
A) AND gate. B) Inverter. C) OR gate. D) Comparator.