An insulation resistance test set has 3 scales on its meter face. The - ProProfs Discuss
Topics
Products
Follow Us:

An insulation resistance test set has 3 scales on its meter face. The top scale is 3 to 3k gigohms. The center scale is 30 to 30k megohms. The bottom scale is 3 to 30k kilohms. After selecting the center scale and connecting the leads to a 2300 volt , 500 HP motor, the instrument indicates the lowest reading. You have determined that :



A. There are shorted turns in the windings
B. The motor insulation is weak
C. The value measured should be reported
D. The test set is on the wrong scale
E. B and D are correct

This question is part of Prime Power Test Technician Level 2 Practice Exam 2 of 3 (Technical)
Asked by Michaelleal, Last updated: Apr 03, 2020

+ Answer
Request

1 Answer

michaelleal

Michaelleal

Answered May 22, 2018

B and D are correct
 

Search for Google images
Select a recommended image
Upload from your computer
Search for Google images
Select a recommended image
Upload from your computer
Search for Google images
Select a recommended image
Upload from your computer

Email Sent
We have sent an email to your address "" with instructions to reset your password.