An engine is torn down after low miles and a recent overhaul because of smoking. Not related to the smoking, it is noticed that many of the crankshaft bearings have localized spots of wear. Technician A says that this is a normal condition for an overhauled engine. Technician B says the localized wear could be due to dirt that was left on the main saddles during the recent overhaul. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: B
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If insulation or roofing materials contain chemicals that are hazardous, the manufacturer must provide a _____.
a. chemical ingredients list b. safety data sheet c. hazard warning label d. materials safety disclaimer
Memory keepers are often referred to as ____.
A. capacitors B. static backups C. battery backups D. retention sinks
Iron deficiency is most likely to occur under which of the following soil conditions?
A) muck soil (Saprist) with pH 5.5 B) soil with pH 4.3 and subject to frequent flooding C) well-drained humid region loamy sand (Spodosol) with pH 5.0 D) leached humid region sandy soil limed to pH 8.0 E) silt loam Mollisol with pH 7.5
Toilets are available with ____ flush mechanisms which use the weight of the water in the tank to evacuate the bowl.
A. pressure assist B. gravity C. power assisted D. hydro-assisted