Author Question: What type of detector uses ultrasonic waves to detect changes in the density of the fluid traveling ... (Read 166 times)

meagbuch · **on:** Jul 24, 2018

What type of detector uses ultrasonic waves to detect changes in the density of the fluid traveling through the pipe?

A) Electronic leak detector B) Fluorescent dye leak detector
C) Ultrasonic-type leak detector D) Electronic sight glass

Question 2

Which of the following is TRUE of a medium-temperature refrigeration unit?

A) It requires 1 hp to produce 1-1/3 tons of cooling.
B) It requires 1 hp to produce 1 ton of cooling.
C) It requires 1 hp to produce 2/3 ton of cooling.
D) It requires 1 hp to produce 1/3 ton of cooling.