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Construct a diagonal scale of R.F 1:3200000 to show kilometers and long enough to measure up to 400 km. Show distances of 257 km and 333 km on the scale.
Draw the path traced by a moving point when its distance from the focus and fixed straight line is equivalent. The distance of focus from directrix is 40 mm. Draw the tangent and normal at any point
Find out the intercooler pressure for perfect inter-cooling. Also, find out the minimum power needed for compression, and percentage saving over single phase compression. Tame R = 0.287 kJ/kg K and
In an air standard Otto cycle the condition of air at the beginning is 1 bar, 300 K, compression ratio is 7. The heat supplied is 800 kJ/kg. Determine.
Draw the labeled layout of a Rankine cycle with Reheat and regeneration process and describe.
A refrigerator plant operates on reversed Carnot heat engine cycle. It is maintained at a temperature of -5oC and the heat rejected at the rate of 5 kW. The atmospheric temperature is 25oC. Compute th
Define the term entropy? Derive an expression for the change in entropy in terms of different parameters like Pressure, Volume and Temperature.
Define Irreversibility and the factors which cause irreversibility in the thermodynamic processes.
Derive the SFEE for the thermodynamic equipments such as: a) Compressor. b) Gas turbine. c) Nozzle. d) Condenser.
When 3.175 kg of solid body is heated with 10 kJ of heat, its temperature is found to increase from 30oC to 45oC. Compute its specific heat.
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.