Why do most chain couplings require lubrication?
What will be an ideal response?
Because of its construction (metal to metal moving parts), chain couplings require lubrication. The exception is the nylon chain coupling which doesn't need lubrication. (No metal to metal moving parts.
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In a _____, the joint is even with the face of the concrete block.
A. flush joint B. concave joint C. V-joint D. finish joint
Various technical methods have been devised for using cogenerating plants. However, they all capitalize on what fact?
What will be an ideal response?
What is the difference between fall prevention equipment and fall arresting equipment?
What will be an ideal response?
Which of the following statements is true regarding STOs?
a. They are native to North America. b. STOs are known to bite human caregivers. c. They are social and enjoy the company of others. d. STOs are omnivores.