Technician A says that air-operated grease guns are more ...

[imowrer]

Technician A says that air-operated grease guns are more expensive than battery operated grease guns.
  Technician B says that battery operated grease guns also require a supply of compressed air. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians A and B D) Neither technician A nor B

Question 2

Most air-operated grease guns operate with how much air pressure?
 
  A) 30 psi B) 90 psi C) 120 psi D) None of these

[welcom1000]

Answer to Question 1

D

Answer to Question 2

B