An exhaust analyzer that measures lambda is being discussed. Technician A says a lambda reading of 0.98 to 1.02 is considered normal. Technician B says a lambda of 1.12 indicates a lean condition. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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Portland cement plus lime (PCL) and sand are three particulate materials in mortar. In this mix, sand is three times that of PCL. Is this 3:1 relationship by weights of the materials or by their volumes?
What will be an ideal response?
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a. outside diameter b. inside diameter c. circumference d. radius
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A) Increases about 1 volt B) Decreases about 1 volt C) Decreases slightly D) Increases slightly