Electrical Engineering REE 2021

One primary and one secondary terminal of a twowinding transformer is connected to an ohm-meter instrument. What will be the reading on this instrument? A. Impedance is doubled

A car battery is rated at 80 ampere-hour. An amperehour is a unit of

GMC was created by the Energy Regulatory Commission to monitor the compliance of the users of the Grid to the PGC. What is the GMC stands for?

Increasing the voltage of the transmission system to double of its original value with the same power to be transmitted, the new power Losses of the transmission system will be of the original value

The resistance of the primary coil of well-designed 1:10, step-down transformers 1Ω. With the secondary circuit open, the primary is connected to a 12V AC generator. What is the primary Current?

Which of the following depends on the electromotive force of a DC generator?

Which of the following protective relay/s operates on the principle of the Kirchhoff’s Current Law?

A permeable substance is one

Which of the following has the greatest effect in decreasing the Oscillation frequency of an LC circuit? Using instead

Guy wire is used in the construction of distribution lines for what purpose?

The customer is only charged or credited as the case may be for the difference between the electricity supplied by the Distribution Utility and electricity it supplies to the Distribution Utility when the times it has excess VRE generation both of which are metered using either 2 uni-directional meters, one for import and one for export. Or a single bi-directional meter. What do you called this scheme?

Which of the following statement is CORRECT concerning electric field?

. Which of the following is the eddy current loss proportional to?

Ohm's Law does NOT apply to

All grounding connections are made _______and electrically ______.

The size of the sole connection of a grounding electrode connected to a concrete-encased electrode shall not be required to be which of the following:

If a tropical storm going to the Philippine Area of Responsibility (PAR) within 24 hours what type o alerts to be raised in accordance to the Philippine Grid Code?

One primary and one secondary terminal two-winding transformer are connected to an ohm-meter instrument. What will be the reading on this instrument?

Three phase short circuit of an alternator will be _______.

Which of the following will you connect to make a galvanometer into an ammeter?

A two-winding transformer has core-losses and fullload copper losses equal to W watts each. It is tested along with another similar transformer for back-to back test. What is the total power input will be in W?

Which of the following type of motor is used in electric toys?

For any circuit the number of independent equations containing emf's. resistances, and currents, equals the number of

What is the instrument often used to check the degree of motor shaft misalignment?

In the context of the loop and junctions’ rules for electrical circuits a Junction is where _____________.

If the potential difference across a resistor is doubled only _________.

The power loss is MORE consider in the design of

Nine identical wires, each of diameter d and length L, are connected in PARALLEL. The combination has the same resistance as a SINGLE Similar wire of length L but whose diameter is

In an RLC series circuit, the source voltage is leading the current at a given frequency f. If f is lowered slightly, the circuit impedance will ________.

A refrigerator receptacle can be fed from a: I. 15 - ampere individual branch circuit II. 20 - ampere individual branch circuit III. 20 - ampere small appliance branch circuit

In a series circuit, the current is ________.

The magnetic torque exerted on a flat currentcarrying loop of wire by a uniform magnetic field? is _____________.

Which of the following statement is FALSE?

The units of magnetic dipole moment are __________.

Which of the following statement CORRECT for Faraday’s law?

A cylindrical copper rod has resistance R. It is reformed to twice its original length with NO change of volume. What its new resistance?

DMC was created by the Energy Regulatory Commission to monitor the compliance of the distribution utilities to the PDC. DMC stands for _______.

He lighting bad for an office building expressed in terms of a unit Load in volt-amperes per square meter must be at least

The starting current of the transformer is generally ______ times of its rated full load current.

Positive charge is distributed uniformly throughout a non-conducting sphere. The highest electric potential occurs _________.

What is the primary function of the tubes welded on the side of oil-type transformers?

Suppose that the fundamental dimensions are taken to be: force (F) velocity (V) and time (T). What are the dimensions of potential energy?

What is the rms value of an AC current? A. That steady current that will charge a battery at the same rate ad the actual current.

What is/are the reasons for using high-voltage in the transmission of power in the grid? I. To transmit large amount of power with minimum line losses II. To increase the system reliability

When the amplitude of the oscillator in a series RLC circuit is doubled

The protection against overvoltage due to lightning is/are provided by ___. I. Used of overhead groundwires II. Used of surge arresters

In a purely inductive circuit, the current lags the voltage by _______.

In practice, the three-phase conductor of three-phase line are seldom equilaterally spaced. The usual nonsymmetrical spacing produce unequal inductances in the three phases, leading to unequal voltage drops and imbalance in the line. To offset the balance the positions the conductors are interchanged at regular intervals in the line. This practice is known as

Which of the following for to the power loss due to alternating magnetization and demagnetization of the core material?

The bull's eye of the grounding target is located at the ________.

Why is the core losses are negligible during a shortcircuit cost conducted on transformer?

Which of the following the electrical device that is usually required to be installed in moisture area in the dwelling unit in order to protect the person from electric shock?

Which of the following instrument is used to measure high resistance as in the measurement of insulation resistance?

Which of the following is the correct statement about coulomb?

Which of the following is NOT part of your unbundling rate in your Meralco electric bill?

The number of address lines requires to address a memory of size 32 K is ______ lines

What is the effects on current flow in reversing the direction of movement of a conductor in the magnetic field of a generator?

Which of the following is a variable renewable energy (VRE)?

One of the following is NOT a basic part of oil-type power transformer.

A golf ball is struck by a golf club and falls on green three meters above the tee. The potential energy of the Earth-ball system is greatest __________.