With worm type reducers:
A. Proper lubrication is extremely important.
B. Lubrication is important, but an advantage of the unit is that it can tolerate
inadequate lubrication. C. No lubrication is necessary.
D. Lubrication is necessary only on older units.
A
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What do PLC program files typically contain?
What will be an ideal response?
A plant manager is not sure whether he will get the approval to buy new equipment for automating an engine assembly line now or at some future time within the next 3 years. In order to have the money whenever he is given the go-ahead, he has asked you to tell him what the equipment is likely to cost in each of the next 3 years. The cost of the equipÂment today is $300,000. And the MARR is 15% per year. (a) How much will it cost at the end of years 1, 2, and 3 if the cost increases only by the inflation rate of 4% per year? (b) What case is this from the descriptions in Section 14.3?
What will be an ideal response?
____ are very important to mechanisms, because they transmit the input motion or force to the desired output location.
A. VRs B. Vectors C. Linkages D. Levers
Where should the draft regulator be installed in the chimney connector?
A) Close to the furnace in series with the connector so that the vent gasses must pass through it B) Close to the furnace on the bull head of a tee which is in-line with the connector C) On the outlet of the chimney so that the vent gasses must pass through it D) Close to the furnace on the branch of a tee which is in-line with the connector