4th Class Power Engineering Part A Exam Questions with Correct Answers Latest Update 2025/2026

4th Class Power Engineering Part A E
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Velocityg8(m/s)g8-g8correctg8answer✔ ✔ Changeg8ing8positiong8/g8time



Accelerationg8(m/s^2)g8-g8correctg8answer✔ ✔
Changeg8ing8velocityg8(m/s)g8/g8timeg8(s)



Forceg8(Newton)g8-g8correctg8answer✔ ✔
massg8(kg)g8xg8accelerationg8(m/s^2)g8,g8anyg8actiong8ong8ag8bodyg8thatg8tend
sg8tog8changeg8itsg8size,g8shape,g8org8itsg8stateg8ofg8restg8org8motion



Forceg8ofg8Gravityg8-g8correctg8answer✔ ✔ massg8(kg)g8xg89.81g8m/s^2



Pressureg8(Pa)g8-g8correctg8answer✔ ✔ Forceg8(N)g8/g8areag8(m^2)



Workg8(J)g8-g8correctg8answer✔ ✔ Forceg8(N)g8xg8distanceg8(m)



Powerg8-g8correctg8answer✔ ✔
Workg8doneg8/g8timeg8,g8Rateg8ofg8doingg8work

,Potentialg8Energyg8(J)g8-g8correctg8answer✔ ✔
massg8xg8gravityg8xg8heightg8,g8theg8abilityg8ofg8ag8bodyg8tog8dog8workg8dueg8b
yg8virtueg8ofg8itsg8position


Kineticg8Energyg8(J)g8-g8correctg8answer✔ ✔
1/2g8xg8massg8xg8velocity^2g8,g8Theg8abilityg8ofg8ag8bodyg8tog8dog8workg8dueg8t
og8itsg8motion


Energyg8(J)g8-g8correctg8answer✔ ✔
Theg8capacityg8ofg8ag8bodyg8tog8dog8work



Tonneg8-g8correctg8answer✔ ✔ 1000g8kilograms



Momentg8ofg8Forceg8(Nm)g8-g8correctg8answer✔ ✔
Forceg8(N)g8xg8Distanceg8(m)g8,g8Ag8force,g8actingg8ong8ag8bodyg8atg8anyg8dista
nceg8fromg8ag8pointg8ong8thatg8body,g8willg8tendg8tog8produceg8rotationg8aroundg
8thatg8point




Clockwiseg8Momentsg8-g8correctg8answer✔ ✔ Equalg8tog8Counter-
clockwiseg8moments



Upwardg8Forcesg8-g8correctg8answer✔ ✔ Equalg8tog8Downwardg8forces

,Actualg8Mechanicalg8Advantageg8(Ma)g8-g8correctg8answer✔ ✔
Loadg8(N)g8/g8Effortg8(N)


Velocityg8Ratiog8(VR)g8-g8correctg8answer✔ ✔
Distanceg8movedg8byg8Effortg8/g8Distanceg8movedg8byg8Load



Efficiencyg8-g8correctg8answer✔ ✔ Outputg8Workg8/g8Inputg8Work



Outputg8Workg8-g8correctg8answer✔ ✔
Loadg8xg8Distanceg8movedg8byg8load


Inputg8Workg8-g8correctg8answer✔ ✔
Effortg8xg8Distanceg8movedg8byg8effortg8,g8Equalsg8Outputg8workg8+g8Waste
dg8work



Idealg8Mechanicalg8Advantageg8(MA)g8-g8correctg8answer✔ ✔
Equalg8tog8Velocityg8Ratiog8(VR)



Loadg8xg8rg8-g8correctg8answer✔ ✔ Equalg8tog8Effortg8xg8R



VRg8-g8correctg8answer✔ ✔ Equalg8tog8R/rg8andg8D/d

, Loadg8/Effortg8-g8correctg8answer✔ ✔ Equalg8tog8R/r



Scalarg8-g8correctg8answer✔ ✔
Ag8physicalg8quantityg8thatg8hasg8magnitudeg8butg8nog8direction


Vectorg8-g8correctg8answer✔ ✔
Ag8quantityg8thatg8hasg8magnitudeg8andg8direction


Spaceg8Diagramg8-g8correctg8answer✔ ✔
Illustratesg8ag8systemg8ofg8vectors


Co-planarg8Vectorsg8-g8correctg8answer✔ ✔
Vectorsg8thatg8areg8allg8ing8theg8sameg8plane


Concurrentg8Vectorsg8-g8correctg8answer✔ ✔
Vectorsg8whoseg8linesg8ofg8actiong8meetg8atg8oneg8point



Resultantg8-g8correctg8answer✔ ✔
Ag8vectorg8thatg8representsg8theg8sumg8ofg8twog8org8moreg8vectors



Absoluteg8Pressureg8-g8correctg8answer✔ ✔
Atmosphericg8pressureg8+g8gaugeg8pressure