With worm type reducers: A. Proper lubrication is extremely ...

[joe]

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.

Question 2

_________ _______is a measure of the rate at which the viscosity of a lubricant will change as the temperature changes.
 
  Fill in the blank(s) with correct word

[Sammyo]

Answer to Question 1

A

Answer to Question 2

Viscosity Index

[joe]

YES! Correct, THANKS for helping me on my review

[blakcmamba]

Thanks for the timely response, appreciate it