Technician A says that high HC emission levels are often caused by a fault in the ignition system. Technician B says that high CO2 emissions are usually caused by a richer-than-normal air-fuel mixture. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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Which of the following soils has the lowest liquid limit?
A) Silt B) Clay C) Sand D) Mixture of silt and clay E) Mixture of silt and sand
Soils in which of the following suborders would be more likely to occur in Minnesota than in Texas?
A) Usterts B) Cambids C) Fluvents D) Cryolls E) Udalfs
What is an early indication that a bearing may be overheating?
A. solid or caked lubrication B. rust C. etched raceways D. pitting
In order to condense a flow of steam, liquid cooling water is sent through a pipe, and the steam is passed over the exterior of the pipe. Draw diagrams showing the most appropriate system for a Thermodynamic analysis which
(a) considers only the water flowing through the pipe (b) considers only the steam condensing on the exterior of the pipe (c) considers only the pipe (d) considers the pipe, the internal cooling water, and the external condensing steam.