B.TECH - Semester 5 industrial electronics Question Paper 2019 (feb)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- With a neat diagram explain the construction of TRIAC. Discuss industrial applications of TRIAC.
- Draw V-I characteristics of SCR and explain different regions of operations
- Draw V-I characteristics of UJT. Justify why it is called a negative resistance device.
- Briefly explain the principle of induction heating.
- Explain the principle of operation of a displacement transducer.
- Explain the difference between MOV C and MOV X instructions of 8051 microcontroller.
- Discuss the need for ADC in data acquisition systems.
- Explain the step response of a typical second order system. Discuss rise time and peak time.
- Determine transfer function of the given electrical circuit.
- Briefly explain the basic principles of a PID controller. P.T.O. Answer any one question from each Module. ( $20 \times 3=60$ Marks)
- With the help of neat schematic explain the internal architecture of 8051 microcontroller. Explain the management of internal and external data memory with relevant diagrams.
- Draw the block schematic of standard second order system. Deduce the closed loop transfer function of the system. Draw the unit step response curves for varying values of damping ratios and explain.
- A unity feedback system has open loop transfer function $\mathrm{G}(\mathrm{s})=\frac{200}{(\mathrm{~s}+2)(\mathrm{s}+4)(\mathrm{s}+5)}$. Sketch bode plots and determine gain margin and phase margin.