Define thermodynamic system. Explain types of system with examples.
[5 marks]Define Cor C . Prove that C – C = Rwith usual notations. p v p v
[5 marks]Derive pv = Cfor Adiabatic Process.
[5 marks]Explain Carnot Cycle.
[5 marks]Derive the equation of workdone of Isothermal Process.
[5 marks]Expain 4-stroke SI engine with neat sketch.
[5 marks]During testing of single cylinder two stroke petrol engine, following data is obtained: Brake torque 650 Nm, cylinder diameter 20 cm, Speed 400 rpm, stroke 30 cm, mean effective pressure 5.5 bar, oil consumption 8.5 kg/hr, C.V = 42500 kJ/kg. Find, i) Mechanical Efficiency, ii) Indicated thermal efficiency iii) brake thermal efficiency iv) brake specific fuel consumption.
[5 marks]Expain 2-stroke CI engine with neat sketch.
[5 marks]A 4 cylinder two stroke cycle petrol engine develops 30 kW at 2500 rpm. The Indicated Mean Effective Pressure of each is 800 kPa and η = 80%. Calculate mech the diameter and stroke (in mm) of each of the cylinder if L/D = 1.5. Also calculate the fuel consumption in kg/hr. Take C.V = 44000 kJ/kg
[5 marks]Explain Construction and working of Babcock & Wilcox boiler Boiler.
[5 marks]Explain in brief any five :- (1) Compression ratio (2) Safety Valve (3) Fusible plug (4) Carburetor (5) Scavenging (6) Flywheel.
[5 marks]Define Boiler. Give the difference between Fire tube boiler and Water tube boiler.
[5 marks]Explain condensing plant by using its different elements.
[5 marks]Compare Steam and Gas Turbine.
[5 marks]State the Function of Steam Turbine. Classify Steam Turbine.
[5 marks]Explain Working Principle of Gas Turbine and Give the Classification of Open cycle and Closed Cycle Gas turbine.
[5 marks]Give the difference between Impulse and Reaction Turbine.
[5 marks]