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Write down the conventional and un–conventional sources of the energy? Illustrate briefly. Write down the advantages and drawbacks of photovoltaic solar energy conversion.
What is sensitivity and selectivity of receiver? Explain in detail.
Describe the significance of pre-emphasis and de-emphasis in FM system.
Write the expression for code efficiency in terms of entropy.
Encode following source by using Shannon-Fano and Huffman coding procedures. Compare the results. X X1 X2 X3 X4 X5 P(X) 0.3 0.1 0.4 0.08 0.12.
Illustrate out the compressibility consequence in hydrostatic bearings. Write down the principles of the air bearings.
Obtain an expression for pressure distribution in the hydrostatic bearing. Illustrate out the general dry friction theories in brief.
Explain about practical considerations of bearing design. Write down the characteristics of Turcite bearing material.
Describe software and hardware methods to start and stop timers in 8051.
Write down the main differentiation between hydrodynamic and hydrostatic lubrication. Are hydrostatic bearings effective at the high sliding speeds? Explain.
Illustrate out the basic mechanism of friction with appropriate sketches. Can hybrid hydrodynamic and hydrostatic bearings be developed and employed to advantage?
Describe the function of the pins PSEN and EA of 8051. Describe the 16-bit registers DPTR and SP of 8051.
Describe the block diagram and functions of each block of the 8251 USART (Programmable Communication Interface).
Interface a 10 or 12-bit D/A converter with the 8-bit microprocessor. Describe the block diagram of the 8155 I/O section and timer.
Explain about accuracy and surface finish of elements subjected to plasma. Illustrate out the Thermal features of laser beam.
Illustrate the role of current voltage and spark gap on roughness of surface produced by spark erosion.
Describe five interrupt inputs of 8085 with priority.
What do you mean by memory mapping and I/O mapping?
Write down the register organization of 8257. What is the function of mode set register in 8257?
Obtain expression for the specific energy output on Level track using simplified speed time curve. What is its importance?
What are the various types of write operations used in 8253?
Illustrate about the techniques employed for arc welding. State and describe laws of Illumination.
Illustrate out the criterion for selection of the motor drive. Illustrate the starting and running characteristics of three (3) phase induction motor.
Write down the advantages of using 8087 Numeric Data Processor.
What do you mean by Closely Coupled Configuration? What do you mean by Loosely Coupled Configuration?