In a given length of pipe, if the flow rate in gallons per minute (gpm) is doubled, pressure drop ...

In a given length of pipe, if the flow rate in gallons per minute (gpm) is doubled, pressure drop _____.
 
  a. stays the same
  b. doubles
  c. quadruples
  d. increases slightly

 Q. 2

A given weight of water can carry more heat than the same weight of air because _____.
 
  a. water is heavier than air
  b. water has a greater specific heat
  c. air has a greater pressure drop
  d. water has less friction within piping

 Q. 3

What is the maximum safe secondary current for a 40 VA transformer that has a primary voltage of 240 V and a secondary voltage of 24 V?
 
  A) 40 VA  24V = 1. 67 amps B) 24 V  40VA = 0. 6 amps
  C) 240 V  24V = 10 amps D) 240 V  40VA = 6 amps