Which type of oil seal must NOT have oil applied to it for it to work correctly?
A) Viton B) Teflon C) Buna-N D) Silicon rubber
B
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Material prices for backfill have three main components. ?
Answer the following statement true (T) or false (F)
Which of the following describes a soil likely to contain a significant content of low activity clays?
A) a Mollisols in Central Brazil B) an Alfisol in New York C) an Ultisol in the Congo River basin in Africa D) an Inceptisol in Mississippi E) an Oxisol in Minnesota
Which of the following statements is TRUE of specific heat capacity?
A) Each substance has its own specific heat capacity regardless of state. B) Specific heat cannot be calculated for every substance. C) Specific heat capacity is only relevant to substances in the solid state. D) All substances in a given state have the same specific heat capacity.
Shingles are typically specified on drawings in note form listing the:
A. material B. weight C. underlayment D. color E. all of the above