Question: 1. An automobile engine on test block, running at full throtttle. Was loaded by and accurately counterbalanced cradled electric dinamometer for wich the brake

1. An automobile engine on test block, running at full throtttle. Was

1. An automobile engine on test block, running at full throtttle. Was loaded by and accurately counterbalanced cradled electric dinamometer for wich the brake arm from the shaft center to the weighing knife edge was 1.75 ft. The test data indicated a speed of 3.300 rpm and a scale pull of 81.8 lb. Immediately after running thispower test, the ignition and the fuel feed were turned off and. With the throttle setting unchanged and the lubricating oil still warm. The engine was turned over (motored) at 3.300 Rpm by the dinamometer. The scal full pull during the motoring (friction) test was 30.3 lb. Calculate: a. The constant for the Dinamometer b. The Brake horse power delivered by the engine c. The Friction Horse power d. The Mechanical efficiency of the engine e. The brake torque

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