Power Engineering - A2 Chapter 9 3rd
Class Questions and Answers 2026
Updated.
c - Answer The exciter field voltage meter can be described as:
a. An indicator of the AC kilowatts that the generator is producing.
b. A meter that measures and records the amount of power produced by the generator.
c. Giving an indication of the DC voltage that is being supplied to the generators field windings.
d. A measurement of the reactive power being generated by the AC generation system.
e. A measurement of the inductive power being generated by the AC generation system.
b - Answer A dual supply system is one in which two independent power lines are used to
_____ the same load.
a. Make.
b. Supply.
c. Balance.
d. Carry.
e. Distribute.
b - Answer Excess power results in a/an _____ condition with a possible overvoltage from
reduced load demands.
a. Under frequency.
b. Over frequency.
c. Surge like.
d. Over excitation.
e. Over voltage.
e - Answer The purpose of the power factor meter is to:
a. Measure the inductive power being generated by the AC generation system.
b. Measure and record the amount of power produced by the generator.
c. Indication of the DC voltage that is being supplied to the generators field windings.
d. Measure the reactive power being generated by the AC generation system.
e. Indicate the power factor of the generating system.
b - Answer 480 V emergency switching could be described as:
, a. In the event that the incoming 4.16 kV power should be lost critical users are supplied with
4.16 kV emergency power from the 900 kW natural gas turbine generator.
b. In the event that the incoming utility power should be lost, critical users are supplied with
480 V emergency power from the 250 kW diesel generator.
c. In the event that the incoming 600 V power should be lost critical users are supplied with 4.16
kV emergency power from the 900 kW natural gas turbine generator.
d. In the event that the incoming 600 V power should be lost critical users are supplied with 600
V emergency power from the 900 kW natural gas turbine generator.
e. In the event that the incoming utility power should be lost, critical users are supplied with
4.16 kV emergency power from the 250 kW diesel generator. The second automatic transfer
switch, will switch over to this generator in order to supply the emergency MCC.
c - Answer The fuse link is so sized that the _____ the normal flow of current through it is not
sufficient to fuse or melt the metal.
a. Voltage due to
b. Resistance due to
c. Heat created by
d. Capacitance created by
e. Inductance created by.
a - Answer 4.16 kV emergency switching could be described as:
a. In the event that the incoming 4.16 kV power should be lost, critical users are supplied with
4.16 kV emergency power from the 900 kW natural gas turbine generator.
b. In the event that the incoming utility power should be lost, critical users are supplied with
480 V emergency power from the 250 kW diesel generator.
c. In the event that the incoming 600 V power should be lost, critical users are supplied with
4.16 kV emergency power from the 900 kW natural gas turbine generator.
d. In the event that the incoming 600 V power should be lost, critical users are supplied with
480 V emergency power from the 900 kW natural gas turbine generator.
e. In the event that the incoming 4.16 kV power should be lost, critical users are supplied with
480 V emergency power from the 900 kW natural gas turbine generator.
e - Answer Cartridge fuses are used on circuits with voltage ratings up to _____ volts, the
standard voltage ratings of these fuses being _____ and _____ volts.
a. 110, 50, 110
b. 220, 110, 220
c. 24, 5, 24
d. 110, 220, 110
Class Questions and Answers 2026
Updated.
c - Answer The exciter field voltage meter can be described as:
a. An indicator of the AC kilowatts that the generator is producing.
b. A meter that measures and records the amount of power produced by the generator.
c. Giving an indication of the DC voltage that is being supplied to the generators field windings.
d. A measurement of the reactive power being generated by the AC generation system.
e. A measurement of the inductive power being generated by the AC generation system.
b - Answer A dual supply system is one in which two independent power lines are used to
_____ the same load.
a. Make.
b. Supply.
c. Balance.
d. Carry.
e. Distribute.
b - Answer Excess power results in a/an _____ condition with a possible overvoltage from
reduced load demands.
a. Under frequency.
b. Over frequency.
c. Surge like.
d. Over excitation.
e. Over voltage.
e - Answer The purpose of the power factor meter is to:
a. Measure the inductive power being generated by the AC generation system.
b. Measure and record the amount of power produced by the generator.
c. Indication of the DC voltage that is being supplied to the generators field windings.
d. Measure the reactive power being generated by the AC generation system.
e. Indicate the power factor of the generating system.
b - Answer 480 V emergency switching could be described as:
, a. In the event that the incoming 4.16 kV power should be lost critical users are supplied with
4.16 kV emergency power from the 900 kW natural gas turbine generator.
b. In the event that the incoming utility power should be lost, critical users are supplied with
480 V emergency power from the 250 kW diesel generator.
c. In the event that the incoming 600 V power should be lost critical users are supplied with 4.16
kV emergency power from the 900 kW natural gas turbine generator.
d. In the event that the incoming 600 V power should be lost critical users are supplied with 600
V emergency power from the 900 kW natural gas turbine generator.
e. In the event that the incoming utility power should be lost, critical users are supplied with
4.16 kV emergency power from the 250 kW diesel generator. The second automatic transfer
switch, will switch over to this generator in order to supply the emergency MCC.
c - Answer The fuse link is so sized that the _____ the normal flow of current through it is not
sufficient to fuse or melt the metal.
a. Voltage due to
b. Resistance due to
c. Heat created by
d. Capacitance created by
e. Inductance created by.
a - Answer 4.16 kV emergency switching could be described as:
a. In the event that the incoming 4.16 kV power should be lost, critical users are supplied with
4.16 kV emergency power from the 900 kW natural gas turbine generator.
b. In the event that the incoming utility power should be lost, critical users are supplied with
480 V emergency power from the 250 kW diesel generator.
c. In the event that the incoming 600 V power should be lost, critical users are supplied with
4.16 kV emergency power from the 900 kW natural gas turbine generator.
d. In the event that the incoming 600 V power should be lost, critical users are supplied with
480 V emergency power from the 900 kW natural gas turbine generator.
e. In the event that the incoming 4.16 kV power should be lost, critical users are supplied with
480 V emergency power from the 900 kW natural gas turbine generator.
e - Answer Cartridge fuses are used on circuits with voltage ratings up to _____ volts, the
standard voltage ratings of these fuses being _____ and _____ volts.
a. 110, 50, 110
b. 220, 110, 220
c. 24, 5, 24
d. 110, 220, 110
