List of top Questions asked in AP PGECET- 2026

The "Hunting" in synchronous machines can be prevented by using:

A 4-pole, 50 Hz induction motor has a synchronous speed of:

If the air gap of an induction motor is increased, then,

The starting torque of a capacitor-start single-phase induction motor is:

A synchronous motor can be used for power factor correction when it is:

A 200/100 V transformer has a primary resistance of 0.1 $\Omega$. What is this resistance when referred to the secondary side?

For two three-phase transformers to operate in parallel, which of these is an absolute requirement?

In a DC Machine, the function of the commutator is to:

The effect of "Armature Reaction" in a DC generator mainly results in:

An auto-transformer is most efficient when the transformation ratio ($K = V_2/V_1$) is:

A symmetrical 3-phase fault occurs at a bus. If the pre-fault voltage is 1.0pu and the Thevenin impedance is j0.2pu, the fault current in per-unit is:

The "Corona Effect" in a transmission line is most likely to occur during

If a transmission line carries 100 MW at unity power factor, the reactive power is:

In a single-phase transformer, the core is laminated primarily to reduce:

Which relay is most affected by power swings?

In Economic Load Dispatch, the most efficient operation occurs when:

What is the primary purpose of a FACTS device like a STATCOM?

HVDC transmission is preferred over HVAC for very long distances because:

The Differential protection is primarily used for:

If the supply frequency increases, the Skin Effect in a conductor:

A 100 MVA, 11 kV generator has a reactance of 0.2 pu. What is the reactance in ohms?

The "Equal Area Criterion" is used to determine:

In a Load Flow study, which parameters are known at a PQ (Load) bus?

The Swing Equation describes the relationship between:

The Maximum power transfer in an AC network occurs when: