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Other Fields Homework Help Trades and Apprenticeship Topic started by: dakota98 on Mar 16, 2018



Title: Lever-type grease guns can develop pressures up to _____.
Post by: dakota98 on Mar 16, 2018
Lever-type grease guns can develop pressures up to _____.
 
  a. 1,000 psi
  b. 3,000 psi
  c. 5,000 psi
  d. 10,000 psi

 Q. 2

What is the maximum safe fill weight of a recovery cylinder with a tare weight of 30 pounds, a water capacity of 40 pounds, holding a refrigerant with a specific gravity of 1. 2?
 
  A) (30 lbs + 40 lbs)  1. 2 = 84 lbs (rounded)
  B) (30 lbs + 40 lbs)  0. 8 = 56 lbs (rounded)
  C) 30 lbs + 40 lbs = 70 lbs (rounded)
  D) 30 pounds + (40 lbs  0. 8  1. 2 ) = 68 pounds (rounded)

 Q. 3

When choosing a lubricant, high loads coupled with high speeds require _____.
 
  a. only high-viscosity lubricants be used
  b. only low-viscosity lubricants be used
  c. only naphthenic lubricants be used
  d. especially careful thought and research to make the proper choice


Title: Lever-type grease guns can develop pressures up to _____.
Post by: anu30 on Mar 16, 2018
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