Vidyut Sahayak (JE Electrical) Second Tier Paper 2024 with Answers

In a transfer function representation of a system, what does the denominator polynomial represent?

What is the maximum permissible earth resistance for large power stations?

The steel strands in ACSR conductors are typically made up of ______

What does TCR stand for in the context of power systems?

Which type of generator does not require a separate power source for excitation and operates at variable speeds?

Ward leonard method of speed control is used because of:

Swing equation of synchronous machine:

In galvanizing, the metal surface is coated with a layer of ______

Which one of the following is series unsymmetrical fault in power system?

Which protection is employed for generator rating from 1 MVA to 5 MVA?

In Comparison between SVC and STATCOM which of the following statements is correct?

The direction of induced e.m.f in a coil may be found with the help of:

If two coils have self inductance L₁ and L₂ , then mutual inductance M between them is given by:

Earthing of electrical equipment is necessary to prevent:

Case Study: An agricultural business purchased insurance coverage to protect against crop failure due to adverse weather conditions. What risk reduction approach did the business adopt?

Phase sequence in three phase system can be reversed by:

The steel used for transformer core has:

Which of the following statements are correct about the Risk Benefit Analysis?
I. An approach to balance potential benefits against potential risks.
II. If the potential benefits outweigh the potential risks, the decision should proceed without any further evaluation.
III. It helps in making informed decisions by evaluating both risks and benefits.
IV. It helps in maximization of potential risks.

Which color wire is used for earthing in India?

At slack bus, which variables are specified ?

A 50 kW, 400 V, 3 phase synchronous motor is operating at full load with an efficiency of 90%. If the field current is adjusted to make its power factor 0.8 leading, estimate the armature current.

Which of the following factor does not affect critical corona voltage while using bundled conductors?

What is the effect of present of salt on resistivity of soil?

The lagging reactive power delivered by a line is proportional to ______ and is independent of ______.

What is the significance of power factor improvement in power systems?

Find the value of current I in given fig.

Which of the following is not a valid three phase transformer connection?

The per unit value of any quantity is defined as: