MOTOR OPERATION AND MAINTENANCE (ELECTRICAL ENGINEERING) STUDY GUIDE WITH COMPLETE SOLUTION!!

MOTOR OPERATION AND MAINTENANCE (ELECTRICAL
ENGINEERING) STUDY GUIDE WITH COMPLETE SOLUTION!!
A blank is used to periodically check the insulation resistance of the windings over
time to chart the progress of insulation and deterioration

answers: I Megger

If the ambient temperature is over blank due to an adequate airflow in the motor
location the motor service factor must be reduced or larger motor used



answers: 40°C

Motors are typically designed to operate it altitudes below blank



answers: 3300 feet

Voltage variation of not more than blank percent of nine plate voltage



answers: 10%

Frequency variation of not more than blank percent of name plate frequency



answers: 5%

Hey motor that receives a good maintenance will outlast a poorly treated motor
many times over



answers: Right right

The frequency and thoroughness of the maintenance and testing depends on such
factors as blank