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(a) A four cylinder engine operates at 1200 rpm gave 18.6 KW brake power, the average torque when one cylinder was cut-off was 105 N-m. Evaluate the indicated thermal efficiency if the Calorific value of the fuel is 42000 kJ / Kg and the engine uses 0.34 Kg of petrol per brake power hour.
(b) A gas turbine unit receives air of 100 KPa and 3000 K and compresses it adiabatically to 620 KPa with minimum efficiency of compressor 88%. The fuel has a heating value of 44180 kJ / Kg and fuel air ratio is 0.017 Kg fuel per Kg air. The turbine internal efficiency is 90%. Determine the Compressor work, thermal efficiency and turbine work.
Calculate sif of crack - beam: An edge cracked beam carries crack in its central plane whose lengths is 5 mm. A load of 1000 N is applied opposite to crack so that crack would
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steam coming out of the whistle of a pressure cooker is ?
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Determine the Forces On Bar Two bars and a cable are used to support a block as shown. The two bars have negligible weight and the pulley is free to rotate. The mass of the pu
construction and working of michelsons interferometer
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