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A large vertical plate of 4m height is maintained at 606o C and exposed to atmospheric air at 106oC. Compute the heat transfer if the plate is 10 m wide.
Determine the heat transfer through the plane of length 6m, height 4m and thickness 0.30 m. The temperature of inner and outer surfaces are 100o C and 40o C. Thermal conductivity of wall is 0.55 W/m
State the Fourier’s law of heat conduction.
Describe the construction and working principle of a hydroelectric power plant. Write brief notes on Water hammer effect. What are the advantages and disadvantages of the hydroelectric power plant?
Draw the neat sketch of the pneumatic filter and describe its construction and working. Also provide the graphical symbol.
Describe the hydraulic and pneumatic fluid power system with sketches.
In Power World, vary the value of the capacitor bank in bus 3 from 1 pu to 0.5 pu in steps of 0.1. Plot the bus pu voltage.
Give the significance of Distribution system and describe the various factors influencing the distribution system planning.
Describe various capacitances, potential dividers and compare their performance for measurement of impulse voltages?
What is thermal breakdown in solid dielectric? How is it practically more important than other methods?
Describe in brief the different numerical methods available for estimation of electrical field distribution in dielectric media?
What precautions must be taken when employing a sampling oscilloscope?
Describe the terms Sensitivity and Resolution of an instrument with appropriate example.
Describe about system constraints in encountered in the operation of thermal power plants?
What are the problems faced when O.C relays are used for the protection of E.H.T. lines.
What is a universal torque equation of relay and how is O.C. directional and differential relay characteristics obtained?
Define the term welding? What is the importance of welding? Categorize the types of welding?
Describe what an Electric Drive is and describe different types of Electric drives.
What do you mean by the term armature reaction? Describe the effect of armature reaction on the terminal voltage of an alternator at:
What are the benefits and drawbacks of using short – pitched winding and distributed winding in alternator?
Distinguish between Asynchronous counter and synchronous counter? Design a 4-bit counter in synchronous mode.
Design 4:1 Mux with logic diagram and symbolic representation.
Describe with neat diagram interfacing of TTL gate and CMOS gates.
If the maximum output voltage of a 7-bit D/A converter is 25.4V. What is the smallest change in the output as the binary count increases?
Draw and explain the functional block diagram of IC 555.