Define following terms: (any five) 1. Force 2. Weight 3. Pressure 4.Work 5. Power 6. Specific Heat Capacity
[5 marks]State first law of thermodynamics. State its limitations.
[5 marks]Define thermodynamic system. Explain types of system with examples.
[5 marks]Explain Carnot Cycle.
[5 marks]Derive the equation of workdone of Isothermal Process.
[5 marks]Expain 4-stroke Petrol (SI) engine with neat sketch.
[5 marks]Give Difference between 2-stroke and 4- stroke engine.
[5 marks]During testing of 4 cylinder 2-stroke petrol engine, following data is obtained: Brake Power = 24 kW, Mechanical efficiency (η ) = 80%. mech Calculate the diameter and stroke of each of the cylinder if L/D = 1.5
[5 marks]The following reading were taken during the test of two stroke single cylinder petrol engine : Engine torque = 650 Nm Engine speed = 400 rpm Cylinder Diameter = 20 cm Stroke length = 30 cm Fuel consumption = 8.5 kg/hr Mean effective pressure = 5.5 bar Calorific value of the fuel = 42500 kJ/kg Calculate: (i) Mechanical efficiency (i) indicated thermal efficiency (ii) brake thermal efficiency.
[5 marks]Draw only neat sketch of Babcock & Wilcox Boiler.
[5 marks]Explain in brief any five :- (1) Pressure Gauge (2) Safety Valve (3) Feed Check Valve (4) Blow off Cock (5) Compression ratio (6) Scavenging (7) 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]State the Function of Steam Turbine. Classify Steam Turbine.
[5 marks]Compare Steam and Gas Turbine.
[5 marks]Give the difference between Impulse and Reaction Turbine.
[5 marks]Explain Working Principle of Gas Turbine and Give the Classification of Open cycle and Closed Cycle Gas turbine.
[5 marks]