slid off beat under performance none of the answers provided An increase in the number of poles in a number results in ______. lower RPM higher RPM no change in speed since it is dependent on frequency no change in speed since it is dependent on load none of the answers provided The insulation class that can tolerate higher temperature than Class B is ______. Class A Class E Class F all of the answers provided none of the answers provided The insulation system class of most electric motors is rated for ______ hours of life. 5,000 10,000 15,000 20,000 none of the answers provided A KVA code letter indicates the ______. inrush current per hp. size of the short circuit protectors size of the overcurrent protectors size of the thermal overloads none of the answers provided A normal-starting-torque motor would have a design letter of ______. A B C D E A type of thermal protection device is known as a ______ device. manual single shot double shot semi-auto none of the answers provided A UL-approved manual reset thermal protector would be ______. Type A Type C Type M Type T Type J The service factor represents the motor’s ability to handle temporary higher loads. Which of the following has the greatest margin of safety? 1.0 1.15 1.25 1.3 1.4 Generally speaking, an ECM motor is more energy efficient than a PSC motor. True False An enclosure rating indicates the ______. temperature in which the motor is located degree of protection of the motor from its environment type of structure the motor is located surge protection for the motor all of the answers provided Quiz 2 – Conductor sizing When sizing conductors for a motor, the ______ should be used in the design. Nameplate FLA FLC volts service factor all of the answers provided A 5 hp – 230 volt – 1 PH motor is rated at ______. 28 FLC amps 18.7 FLC amps 2 FLC amps 80 FLC amps 100 FLC amps
The enclosure rating for a disconnect with hose down water would be ______. 1 2 3 10 The disconnect must be located within ______ of the motor. 10 feet 25 feet 50 feet eyesight earshot A disconnect shall clearly indicate the ______. on position off position on and off position A disconnect is sized to handle at least ______ of full-load current of the motor. 100% 115% 125% 150% 200% Quiz 8 – Complete First System worksheet 3 hp | 230 volts | 1 PH | FLA – 18.5 | SF – 1.25 | Ambient temp – 85°F | 3 wires | High-Amp Start The FLC for this motor is ______. 38 amps 17 amps 9.6 amps 4.8 amps 3.4 amps The design FLC amp load for wire sizing is ______. 21.25 FLC amps 18 FLC amps 12 FLC amps 7 FLC amps 5 FLC amps The conductor size for this motor installation is ______. 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG The insulation type for the conductors for this installation is ______. Hint: See terminal temperatures of motor/ controller, safety switches. TW THHW THW-4 none of the answers provided The maximum short-circuit standard fuse is ______. Hint – Review summary table for Short Circuit / Ground Fault Max. Allowable Size Hint – High Amp Start Motor 35 amps 40 amps 45 amps 50 amps 60 amps The disconnect rating is a minimum of ______ (nearest). 11 amps 20 amps 27 amps 32 amps none of the answers provided The OCPD standard fuse for this installation is ______. Hint: OCPD values change with service factors. 6 amps 10 amps 15 amps 20 amps 25 amps The equipment grounded wire is ______. Hint – High Amp Start Motor
Hint – Ground wire not greater than conductors 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG The minimum sized EMT for this installation is ______. Hint – Count all conductors plus ground. 1/2 inch 3/4 inch 1 inch 1-1/4 inch The minimum sized LFMC for this installation is ______. Hint – Count all conductors plus ground. 1/2 inch 3/4 inch 1 inch 1-1/4 inch Quiz 9 – Complete Second System worksheet 7-1/2 hp | 230 volts | 3 PH | FLA – 25 | SF – 1.10 | Ambient – 85°F | 3 wires | High Amp Start The FLC for this motor is ______. 38 amps 22 amps 9.6 amps 4.8 amps 3.4 amps The design FLC amp load for wire sizing is ______. 27.5 amps 40 amps 50 amps 60 amps 100 amps The conductor size for this motor installation is ______. 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG The insulation type for the conductors for this installation is ______. Hint: See terminal temperatures of motor/ controller, safety switches TW THHW THW-4 none of the answers provided The short circuit standard fuse is ______. Hint – Review Summary Table for Short Circuit/ Ground Fault Max. Allowable Size Hint – High Amp Start Motor 70 amps 80 amps 90 amps 100 amps 110 amps The disconnect rating is a minimum of ______ (nearest). 26 amps 53 amps 71 amps 79 amps 93 amps The OCPD for this installation is ______ standard fuse size. Hint: OCPD values change with service factors. 25 30 35 40 45 The equipment grounded wire size is ______. Hint – High Amp Start Motor Hint – Ground wire not greater than conductors 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG The minimum sized EMT for this installation is ______. Hint – Count all conductors plus ground. 1/2 inch 3/4 inch