Year 3 IEC FINAL Review Questions and Answers Rated A+

Year 3 IEC FINAL Review Questions and Answers Rated A+ ___ is a type of overload relay used in a motor start. a. Melting allow b. Bimetallic c. Magnetic d. All of these All of these A melting allow overload in a magnetic motor starter ____. Select one: a. actuates when excessive motor circuit current is present and opens only the affected motor circuit power contacts on the starter b. must be replaced after it operates c. can be reset immediately after it operates d. actuates when excessive motor circuit current is present and opens the control circuit to de-energize the coil e. actuates when excessive control circuit current is present and opens the control circuit to de-energize the coil actuates when excessive motor circuit current is present and opens the control circuit to de-energize the coil A 240-volt, 3Φ motor would require a starter with a minimum of ___ power pole(s) to open the circuit. Select one: a. 3 b. 1 c. 2 3 Refer to Fi