When the sole purpose of an alternating current is to produce heat, the selection of conductor is based on _______ value of the current.

Which of the following is not included in the evaluation of the Technical Performance of a Distribution System according to Philippine Distribution Code (PDC)?

The phase angle for a series RC circuit may be computed as the angle between the __________ and __________ phasors.

Which is not a characteristic of an ideal transformer?

It is defined as the total number of sustained Customer power interruption within a given period divided by the total number of Customers served within the same period.

The specific resistance ρ is defined as

The impedance triangle is similar to the __________ triangle with the resistance phasor in place of the

What is the IEEE device function number 50?

In long transmission line, at no-load the receiving end voltage as ccompared to the sending end voltage is

I. higher II. lower III. Remains the same

What determines the direction of force in a conductor?

Which of the following plants will take least time in starting from cold condition to full load operation?

The study of illumination involves

When a power plant is not able to meet the demand of consumers it will resort to

A distributor is designed from the point of view of

Conservator of a transformer consists of

Cellular phones operate in the frequency range of

Varmeter when paired with other devices measures __________ factor?

The type of ac distribution system commonly used to supply both light and power is the

If an electrical network having one or more than one voltage source is transformed into equivalent electrical network with a single current source (which is the circuit current of previous circuit) with parallel internal resistance of the network with all current source replaced by their internal resistance; the above illustration is called

Which is the most reliable power plant?

What governs the minimum safety requirement in the Philippines for distribution and grid?

In a diode modulator, what supplies the negative halfwave?

Which is not a source of power?

When the frequency of a synchronous motor increases, what happens to its speed?

What instrument measures the insulation of a powerline?

At steady state in an RC circuit, the capacitance will act as

In an ac circuit, a low value of KVAR compared with KW indicates

Branch circuit larger than __________ amperes shall only supply non-lighting outlet load.

How much larger is the rotor reactance of a SCIM at start-up than it is when the motor operates at 5 percent slip?

Wye-delta starting is equivalent to autotransformer starting with __________ tapping.

With reference to armature windings, wave windings are often called __________ windings

Induced charge on insulators

Human body is

The presence of an earth in case of overhead lines

Transformer breaths in when

The shaft of synchronous motor is made of

In a three-phase system, when the loads are perfectly balanced, the neutral current is

A double squirrel-cage induction motor has

Suppose that the consumption of energy in a certain country has a growth rate of percent per year. In how many years will the energy consumption be tripled?