REGISTERED ELECTRICAL ENGINEERING BOARD EXAM
POWER SYSTEM
10. Is an equipment which controls the gate or valve opening of the prime mover:
a. silicon controlled rectifier
b. contactor
c. rheostat
d. governor
11. Is the mechanism which is used for moving a removable circuit breaker unit to end
from the connected, disconnected and test positions:
a. permissive control device
b. notching device
c. blocking device
d. position changing system
12. Is the complete electrical mechanism or servo-mechanism including the operator
motor, solenoids, position switch, etc., for a tap changer, induction regulator or any
piece apparatus which has no device function number:
a. regulating device
b. reversing device
c. rotating device
d. operating mechanism
13. Is used to increase or decrease in one step, the value of field excitation on a machine:
a. tripping relay
b. filed regulator
c. DC reclosing relay
d. field changing contactor
14. Electron normally flow:
a. from the grid to the plate of an electron tube
b. from the positive terminal to the negative terminal inside the battery
c. through a capacitor
d. at the speed of light in a conductor
15. When an electric current is flowing in a conductor, that is developed at a rate
proportional to the square of the intensity of the current. This relation is known as:
a. Coulomb’s law
b. Joule’s law
c. Faraday’s law
d. Ohm’s law
16. An electric device designed to receive electrical power from a DC source and deliver
alternating power without the aid of external source of alternating voltage.
a. amplifier circuit
b. oscillator circuit
, c. rectifier
d. integrated circuit
17. The modulated wave is transmitted over lines or space. However at the receiving end,
the signal wave must be recovered again by means of electronic circuit called:
a. frequency changer
b. detector
c. filter
d. inverter
18. Process by which the characteristics of a wave is varied a fu of the instantaneous
value of another wave:
a. detection
b. modulation
c. phase shifting
d. feedback
19. A special type of diode used to regulate DC supply:
a. Thyrector
b. Zener
c. diac
d. shockley
20. In any network consisting of linear impedance, the current at any point is the sum of
current that would flow if each generator were considered separately at all other
generator being replaced at the time by impedance equal to their integral impedances.
This principle is known as:
a. Kirchoff’s law
b. Superposition Theorem
c. Thevenin’s Theorem
d. Reciprocity Theorem
21. For a transducer, the impedance which simultaneously terminate all of I its input and
outputs in such a way that each of its inputs and outputs, the impedance I both
directions are equal are called
a. iterative
b. image impedances
c. characteristic impedance
d. driving impedance
22. When the emfs in the two windings of the transformer are opposite in direction, the
polarity is
a. positive
b. negative
c. additive
d. subtractive
, 23. To determine the equivalent resistance of an inductive motor we use
a. no load test
b. short circuit test
c. blocked rotor test
d. polarity test
24. Consisting of a single rotating machine that is mainly to convert alternating current to
direct current
a. motor generator set
b. motor converter
c. rotary converter
d. polarity test
25. It is the ratio of lumens reaching work plane by the total lumens generated by lights
a. maintenance factor
b. room ratio
c. coefficient of utilization
d. room index
26. Intermittent operation in which the load conditions are regularly
a. short time duty
b. continuous duty
c. periodic duty
d. varying duty
Answer: c
27. in DC machine, this consists of coils placed at the neutral point, midway between the
main pole
a. compensating windings
b. equalizer winding
c. interpole winding
d. neutralizer winding
Answer: c
28. A connecting to ground for noe or more non-carrying metal parts of wiring system or
apparatus connected to the system
a. System ground
b. system neutral ground
c. equipment ground
d. capacitive ground
Answer: c
29. A transformer intended primarily to provide neutral point for grounding purposes
a. ground regulating transformer
b. ground equalizer transformer
c. grounding transformer
POWER SYSTEM
10. Is an equipment which controls the gate or valve opening of the prime mover:
a. silicon controlled rectifier
b. contactor
c. rheostat
d. governor
11. Is the mechanism which is used for moving a removable circuit breaker unit to end
from the connected, disconnected and test positions:
a. permissive control device
b. notching device
c. blocking device
d. position changing system
12. Is the complete electrical mechanism or servo-mechanism including the operator
motor, solenoids, position switch, etc., for a tap changer, induction regulator or any
piece apparatus which has no device function number:
a. regulating device
b. reversing device
c. rotating device
d. operating mechanism
13. Is used to increase or decrease in one step, the value of field excitation on a machine:
a. tripping relay
b. filed regulator
c. DC reclosing relay
d. field changing contactor
14. Electron normally flow:
a. from the grid to the plate of an electron tube
b. from the positive terminal to the negative terminal inside the battery
c. through a capacitor
d. at the speed of light in a conductor
15. When an electric current is flowing in a conductor, that is developed at a rate
proportional to the square of the intensity of the current. This relation is known as:
a. Coulomb’s law
b. Joule’s law
c. Faraday’s law
d. Ohm’s law
16. An electric device designed to receive electrical power from a DC source and deliver
alternating power without the aid of external source of alternating voltage.
a. amplifier circuit
b. oscillator circuit
, c. rectifier
d. integrated circuit
17. The modulated wave is transmitted over lines or space. However at the receiving end,
the signal wave must be recovered again by means of electronic circuit called:
a. frequency changer
b. detector
c. filter
d. inverter
18. Process by which the characteristics of a wave is varied a fu of the instantaneous
value of another wave:
a. detection
b. modulation
c. phase shifting
d. feedback
19. A special type of diode used to regulate DC supply:
a. Thyrector
b. Zener
c. diac
d. shockley
20. In any network consisting of linear impedance, the current at any point is the sum of
current that would flow if each generator were considered separately at all other
generator being replaced at the time by impedance equal to their integral impedances.
This principle is known as:
a. Kirchoff’s law
b. Superposition Theorem
c. Thevenin’s Theorem
d. Reciprocity Theorem
21. For a transducer, the impedance which simultaneously terminate all of I its input and
outputs in such a way that each of its inputs and outputs, the impedance I both
directions are equal are called
a. iterative
b. image impedances
c. characteristic impedance
d. driving impedance
22. When the emfs in the two windings of the transformer are opposite in direction, the
polarity is
a. positive
b. negative
c. additive
d. subtractive
, 23. To determine the equivalent resistance of an inductive motor we use
a. no load test
b. short circuit test
c. blocked rotor test
d. polarity test
24. Consisting of a single rotating machine that is mainly to convert alternating current to
direct current
a. motor generator set
b. motor converter
c. rotary converter
d. polarity test
25. It is the ratio of lumens reaching work plane by the total lumens generated by lights
a. maintenance factor
b. room ratio
c. coefficient of utilization
d. room index
26. Intermittent operation in which the load conditions are regularly
a. short time duty
b. continuous duty
c. periodic duty
d. varying duty
Answer: c
27. in DC machine, this consists of coils placed at the neutral point, midway between the
main pole
a. compensating windings
b. equalizer winding
c. interpole winding
d. neutralizer winding
Answer: c
28. A connecting to ground for noe or more non-carrying metal parts of wiring system or
apparatus connected to the system
a. System ground
b. system neutral ground
c. equipment ground
d. capacitive ground
Answer: c
29. A transformer intended primarily to provide neutral point for grounding purposes
a. ground regulating transformer
b. ground equalizer transformer
c. grounding transformer
