Quiz

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Year 2025

August
Week # 1 Quiz 5

Q1. The transfer function of a closed-loop control system is \( \frac{G(s)}{1 + G(s)H(s)} \), where \( G(s) \) is the forward path transfer function and \( H(s) \) is the feedback path transfer function. What does \( H(s) \) represent?

Q2. In an open loop system

Q3. Two blocks having respective transfer functions of \(G_1\) and \(G_2\) are connected in series cascade. Their resultant will be

Q4. Which of the following is considered as a controller in an automatic toaster system?

Q5. A phase lag lead network introduces in the output

Q6. For an unity feedback system with \(G(s) = \frac{K(s+2)}{s(s+1)}\), part of the root locus is a circle of radius approximately

Q7. The Energy Conservative element in a mechanical system is

Q8. A system is said to be ______, if its output is under control

Q9. If the primary line voltage rating is 3.3 kV (Y side) of a 25 kVA star-delta transformer (the per phase turns ratio is 5:1), then the line current rating of the secondary side (in Amperes) is ______.

Q10. An 8 kW, 4-Pole, 220 V, 50 Hz reluctance motor has a torque angle of \(30^\circ\) when operating under rated load conditions. Calculate load torque.