If a 500 ?, 1200 ? and 10 k? resistor are connected in parallel across a 25 V source, how much current flows through the 1200 ? resistor?
A) 50 mA B) 2.5 mA C) 2.4 mA D) 20.8 mA
D
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The bearing grease most often specified is rated NLGI ________.
A) #00 B) #0 C) #2 D) #1
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The intermittent pilot control system must only light the pilot.
Answer the following statement true (T) or false (F)
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Narrow-mouthed frogs have:
A) large heads and rounded snouts B) small heads and rounded snouts C) large heads and pointed snouts D) small heads and pointed snouts
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You are working with a soil colloid known to have a reasonably high potassium level, a cation exchange capacity of about 20 cmolc/kg of clay and little tendency to swell when wetted. Which of the following is it most apt to be the dominant clay mineral in this soil?
A) kaolinite B) vermiculite C) humus D) fine-grained mica E) smectite
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