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Questions for test of engineering mechanics

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Keshav Arote

A machine lifts a 60kN load with 300N of effort, having a velocity ratio of 50. Its efficiency and friction losses must be calculated. Another machine has an efficiency formula of P=0.025W+20N with a velocity ratio of 60, and its efficiency needs to be found at a 1kN load.

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ME2G 1st shift Questions for test of Engineering Mechanics 1. A machine has a VR = 50. A load of 60 KN is lifted by an effort of 300N. Calculate efficiency and effort lost in friction 2. Certain machine has a law P = 0.025W + 20N, with VR = 60. Calculate its efficiency at a load of 1kN.

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Questions for test of engineering mechanics

  • 1. ME2G 1st shift Questions for test of Engineering Mechanics 1. A machine has a VR = 50. A load of 60 KN is lifted by an effort of 300N. Calculate efficiency and effort lost in friction 2. Certain machine has a law P = 0.025W + 20N, with VR = 60. Calculate its efficiency at a load of 1kN.