STATIONARY ENGINEER ELECTRIC EXAM (LATEST
2025/ 2026 UPDATE) WITH QUESTIONS AND
VERIFIED ANSWERS| | 100% CORRECT | GRADE A+
An Ac Circuit Consists Only Of A Pure Inductance And A Power Source. The Relationship Between The
Voltage And The Current In This Circuit Is That The
Answer>>Current Lags The Voltage
The Power Factor Of A Load Is Equal To The ____________ Power Divided By The ____________ Power.
Answer>>True ; Apparent
A 10-Ohms And 20-Ohms Resistor Are Connected In Parallel. The Total Line Current Drawn By This
Parallel Combination Is 30 Amps. Under These Conditions, The Line Voltage Will Be ____________ Volts.
Answer>>200
A 20-Ohm Resistor Is Connected In Series With A Parallel Combination Of Two Resistors, One Of Which Is
10-Ohms, The Other 40-Ohms. If The Voltage Across The Parallel Combination Is 40 Volts, The Voltage
Across The 20-Ohm Series Resistor Is ________ Volts.
Answer>>100
A Certain 120-Volts Single-Phase Ac Circuit Has A Power Factor Of 80 Percent And A Watt-Meter Reading
Of 1150 Watts. The Current Drawn By The Circuit Is _________ Amperes.
Answer>>12
,If The Voltage Between Lines Of A 3-Phase, 3-Wire Delta Connected System Is 2400 Volts, Then The
Phase Voltage Is _____________ Volts
Answer>>2400
A Circuit Consists Of An Inductive Reactance Of 15 Ohms And A Resistor Of 20 Ohms In Series Across A
100-Volts, 60 Cycles Ac Supply. The Current In This Circuit Is ____________ Amperes.
Answer>>4
A 3 Phase, 3 Wire, 208 Volt, 60 Cycles Ac Service Supplies A Balanced Load Consisting Of Three 30 Ohms
Resistors Connected Wye. The Line Current Under These Conditions Os Most Nearly ___________
Amperes.
Answer>>6.9
If The Level Of The Electrolyte In A Lead Acid Storage Battery Falls Below The Top Of The Plates Because
Of Evaporations Under Normal Operating Conditions, It Is Best To Add
Answer>>Water
A 600 Volt Cartridge Fuse Must Have Knife Blade Contacts If Its Current Rating Exceeds _____________
Amperes.
Answer>>60
When The Magnitude Of The Short Circuit Currents In A Feeder Circuit Must Be Limited, This Is Usually
Accomplished By Means Of
Answer>>Reactors
The Cross Sectional Area In Circular Mils Of A Standard Cable Having 37 Strands, Each Of Which Ha A
Diameter Of 90 Nils, Is Most Nearly
Answer>>300,000
,A Coil Having An Average Diameter Of 4 Inches Is To Be Made Up From A 1,260 Ft Long Length Of Wire.
The Numbers Of Turns In This Coil Will Be Most Nearly
Answer>>1,200
The Device Commonly Known As A Growler Is Frequently Used To
Answer>>Test Dc Armature Windings For Shorts
When A Megger Is Applied Alternately To The Two Leads Of A Direct Current Electrolytic Capacitor, The
Reading Will
Answer>>Start At Zero But Increase Gradually For One Of The Connections
The Device Used To Convert Direct Current To Alternating Current Is Called
Answer>>Inverters
Of The Following Conditions, The One Which Is Most Likely To Cause Flashing Or Excessive Arcing From
Brush To Brush In A Motor Is
Answer>>Excessively High Voltage On The Line
The Currents In The Armature Equalizer Connections In A Dc Generator Are
Answer>>Alternating Currents
A Generating Station Has One 1000 Kw And Two 2000 Kw Generators. To Supply 2000 Kw Most
Economically, The Operating Conditions Should Be
Answer>>One 2000 Kw Generator At Full Load
, The Terminal Voltage Of A Dc Shunt Generator Having An Armature Current Of 100 Amperes, An
Armature Resistance Of 0.02 Ohms, And A Generated E.M.F Of 222 Volts Is Most Nearly
______________ Volts.
Answer>>220
The Number Of Poles In The Field Of An Alternator Generating Voltage At A Frequency Of 60 Cycles Per
Second While Rotating At 1200 Rpm Is
Answer>>6
If The Field Of A Shunt Motor Opens While Running, The Motor Will
Answer>>Run Away
To Reverse The Direction Of Rotation Of A Cumulative Compound Motor, And Not Have It Run As A
Differential Compound Motor, Reverse The Connections To The ____________ Field.
Answer>>Shunt Field And To The Series
A Main Contributing Factor To Motor Stator Failure Usually Is
Answer>>Dirt
The Input Of A Motor Is 40,000 Watts And Efficiency Is 80 Percent. The Total Energy Loss Is __________
Watts.
Answer>>8,000
2025/ 2026 UPDATE) WITH QUESTIONS AND
VERIFIED ANSWERS| | 100% CORRECT | GRADE A+
An Ac Circuit Consists Only Of A Pure Inductance And A Power Source. The Relationship Between The
Voltage And The Current In This Circuit Is That The
Answer>>Current Lags The Voltage
The Power Factor Of A Load Is Equal To The ____________ Power Divided By The ____________ Power.
Answer>>True ; Apparent
A 10-Ohms And 20-Ohms Resistor Are Connected In Parallel. The Total Line Current Drawn By This
Parallel Combination Is 30 Amps. Under These Conditions, The Line Voltage Will Be ____________ Volts.
Answer>>200
A 20-Ohm Resistor Is Connected In Series With A Parallel Combination Of Two Resistors, One Of Which Is
10-Ohms, The Other 40-Ohms. If The Voltage Across The Parallel Combination Is 40 Volts, The Voltage
Across The 20-Ohm Series Resistor Is ________ Volts.
Answer>>100
A Certain 120-Volts Single-Phase Ac Circuit Has A Power Factor Of 80 Percent And A Watt-Meter Reading
Of 1150 Watts. The Current Drawn By The Circuit Is _________ Amperes.
Answer>>12
,If The Voltage Between Lines Of A 3-Phase, 3-Wire Delta Connected System Is 2400 Volts, Then The
Phase Voltage Is _____________ Volts
Answer>>2400
A Circuit Consists Of An Inductive Reactance Of 15 Ohms And A Resistor Of 20 Ohms In Series Across A
100-Volts, 60 Cycles Ac Supply. The Current In This Circuit Is ____________ Amperes.
Answer>>4
A 3 Phase, 3 Wire, 208 Volt, 60 Cycles Ac Service Supplies A Balanced Load Consisting Of Three 30 Ohms
Resistors Connected Wye. The Line Current Under These Conditions Os Most Nearly ___________
Amperes.
Answer>>6.9
If The Level Of The Electrolyte In A Lead Acid Storage Battery Falls Below The Top Of The Plates Because
Of Evaporations Under Normal Operating Conditions, It Is Best To Add
Answer>>Water
A 600 Volt Cartridge Fuse Must Have Knife Blade Contacts If Its Current Rating Exceeds _____________
Amperes.
Answer>>60
When The Magnitude Of The Short Circuit Currents In A Feeder Circuit Must Be Limited, This Is Usually
Accomplished By Means Of
Answer>>Reactors
The Cross Sectional Area In Circular Mils Of A Standard Cable Having 37 Strands, Each Of Which Ha A
Diameter Of 90 Nils, Is Most Nearly
Answer>>300,000
,A Coil Having An Average Diameter Of 4 Inches Is To Be Made Up From A 1,260 Ft Long Length Of Wire.
The Numbers Of Turns In This Coil Will Be Most Nearly
Answer>>1,200
The Device Commonly Known As A Growler Is Frequently Used To
Answer>>Test Dc Armature Windings For Shorts
When A Megger Is Applied Alternately To The Two Leads Of A Direct Current Electrolytic Capacitor, The
Reading Will
Answer>>Start At Zero But Increase Gradually For One Of The Connections
The Device Used To Convert Direct Current To Alternating Current Is Called
Answer>>Inverters
Of The Following Conditions, The One Which Is Most Likely To Cause Flashing Or Excessive Arcing From
Brush To Brush In A Motor Is
Answer>>Excessively High Voltage On The Line
The Currents In The Armature Equalizer Connections In A Dc Generator Are
Answer>>Alternating Currents
A Generating Station Has One 1000 Kw And Two 2000 Kw Generators. To Supply 2000 Kw Most
Economically, The Operating Conditions Should Be
Answer>>One 2000 Kw Generator At Full Load
, The Terminal Voltage Of A Dc Shunt Generator Having An Armature Current Of 100 Amperes, An
Armature Resistance Of 0.02 Ohms, And A Generated E.M.F Of 222 Volts Is Most Nearly
______________ Volts.
Answer>>220
The Number Of Poles In The Field Of An Alternator Generating Voltage At A Frequency Of 60 Cycles Per
Second While Rotating At 1200 Rpm Is
Answer>>6
If The Field Of A Shunt Motor Opens While Running, The Motor Will
Answer>>Run Away
To Reverse The Direction Of Rotation Of A Cumulative Compound Motor, And Not Have It Run As A
Differential Compound Motor, Reverse The Connections To The ____________ Field.
Answer>>Shunt Field And To The Series
A Main Contributing Factor To Motor Stator Failure Usually Is
Answer>>Dirt
The Input Of A Motor Is 40,000 Watts And Efficiency Is 80 Percent. The Total Energy Loss Is __________
Watts.
Answer>>8,000
