CIL Management Trainee Electrical Solved Papers
Practice technical discipline questions for Electrical Machines, Power Systems, Power Electronics & Drives, Control Systems, Network Theory, and Switchgear with worked solutions.
All CIL MT EE PYQs / All EE Subjects / All Topics
Marking scheme: +1.00 positive, 0.00 negative (CIL CBT Pattern).
A linear time-invariant (LTI) system has an impulse response h(t). If the input to the system is: $x(t)=\delta(t-2)+3\delta(t+2)$, what will be the output of the system y(t)?
The maximum lagging-current test helps in determining:
Consider an enhancement-mode NMOS device whose source is tied to ground. If the threshold voltage is $V_t = 0.7\text{ V}$ and the gate receives a DC bias of $1.5\text{ V}$. For the device to operate in the triode region, the drain voltage $V_D$ must be:
What is the sum of the eigenvalues of the matrix $D = \begin{pmatrix} 5 & 2 \\ 1 & 4 \end{pmatrix}$?
If a synchronous condenser is switched into a distribution network that already has switched capacitors, what is the immediate combined effect on voltage profile and system resonance risk?
Which of the following best describes the contour C required for Cauchy's theorem to apply?
In parallel operation of alternators, synchronizing power acts to:
A 555 timer uses three equal resistors as an internal voltage divider. If the middle resistor of the internal voltage divider becomes open-circuited, what will be the effect on the timer's operation?
Why do squirrel cage induction motors generally have low starting torque?
What is the primary advantage of using a cylindrical rotor type alternator?
Which of the following best describes the Continuous-Time Fourier Transform (CTFT)?
Why is Laplace's equation used when calculating the capacitance of an electrostatic configuration?
Which of the following is NOT an advantage of electrodynamometer instruments?
Consider a RC phase shift oscillator having operational amplifier connected as an inverting amplifier as shown in the figure. What should be the value of resistance R2 for the unity loop gain of this circuit? (Note: Any minor losses in the circuit should be neglected.)
A transformer with winding resistance and magnetic leakage is equivalent to an ideal transformer (having no resistance and leakage resistance) having _____ connected in series with each winding.
Which of the following is a major cause of error in a current transformer?
In a series RLC circuit, the power delivered to the circuit at resonance is
In electrostatics, solving Poisson's equation determines which physical quantity?
Two capacitors of capacitance $C_1$ and $C_2$ are connected in series and charged so that each stores charge Q. They are then disconnected from the source and reconnected in parallel with opposite plate polarity (positive to positive, negative to negative). What happens to the total stored electrostatic energy?
If $x(t)$ has an average value of 4, determine the average value of $y(t) = x(2t - 3) + 5$.
In a boost converter operating in continuous mode, if the duty cycle increases, what happens to the output voltage?
Which of the following statements is/are correct regarding an RC phase shift oscillator?
S1: Two minimum RC networks are required in this circuit for oscillation.
S2: The circuit will oscillate at a frequency for which the phase shift of the network is 180°.
Crystal oscillators are known for their _____ stability and _____ bandwidth.
Choose the correct option.
Statement 1: In a load-commutated chopper, the efficiency may become high for high-power, high-frequency applications due to high switching losses.
Statement 2: In a load-commutated chopper, the rating of freewheeling diode is subjected to twice the supply voltage.
The type number of a control system is defined as: