One advantage of using multiple-spring seals is that they are ...

[Mr3Hunna]

One advantage of using multiple-spring seals is that they are _____.
 
  a. not as susceptible to distortion at high speeds
  b. smaller than single spring seals
  c. less expensive than single spring seals
  d. easier to install than most other types of seals

Question 2

Mechanical seals that are self-contained units set at the factory and installed as complete assemblies are called
  _____ seals.
 
  a. tandem
  b. metal bellows
  c. cartridge
  d. balanced

[phuda]

Answer to Question 1

a

Answer to Question 2

c

[Mr3Hunna]

TYSM

[tanna.moeller]

Thanks for the timely response, appreciate it