A diesel engine piston has two compression and one oil control ring. What would probably be the recommended ring stagger?
A. 90 degrees
B. 120 degrees
C. 150 degrees
D. 180 degrees
Answer: B
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A PV panel sits 43 inches off the ground. What is this? distance in feet?
Fill in the blank(s) with the appropriate word(s).
_____ Service researchers conduct studies on wildlife and fish and their habitats
a. Animal c. People b. Range d. Forest
Cleaning chemicals are usually either a caustic material or an acid material. Which of the following statements is TRUE?
A) An acid is higher than 7 and a caustic is lower than 7 on pH scale B) An acid is lower than 7 and a caustic is higher than 7 on pH scale C) Pure water is a 1 and a strong acid is a 14 on the pH scale D) Both caustics and acids have a pH of 7 if rated according to distilled water
____ drawings are commonly used in the industry to represent parts that are uniform in shape.
A. One-view B. Two-view C. Fixed view D. Auxiliary view