When the air/fuel ratio is expressed as lambda, a lambda number of less than 1 indicates a(n) ________ exhaust
A) Rich B) Excessively cold C) Lean D) Excessively hot
A
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Technician A says to avoid lubrication on the thrust bearing surfaces. Technician B says when installing main bearing caps, tap them with a ball peen hammer to insure they seat properly. Who is right?
A. Technician A B. Technician B C. Both technicians D. Nether technician
Every year the U.S. exports almost ______% more agricultural goods than are imported
A) 30 B) 50 C) 70 D) 90
Which of the following would ensure that the breathing efficiency of a pair of intake valves on one diesel engine cylinder was identical?
A. air to air cooler B. crossflow valve configuration C. tuned intake manifold D. parallel port valve configuration
The shape or profile of the thread is referred to as the ____.
A. thread profile B. thread form C. thread preference D. thread structure