The elastomer bellows spring has a _____ that fits over the shaft ...

[jazziefee]

The elastomer bellows spring has a _____ that fits over the shaft and pushes against the elastomer bellows.
 
  a. metal bellows
  b. special fitted collar
  c. single-coil spring
  d. secondary seal face

Question 2

A mechanical seal that has one seal inside the stuffing box and one seal outside the stuffing box is known as a
  _____ seal.
 
  a. single inside mechanical
  b. face-to-face mechanical
  c. back-to-back mechanical
  d. tandem

[nickk12214]

Answer to Question 1

c

Answer to Question 2

b

[jazziefee]

Great answer, keep it coming

[helenmarkerine]

Thanks for the timely response, appreciate it