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types of tolerances . product specification selection of mechanism layout configuration design of machine elements principles of machine design basics requirements of machine design preferred numbers sequential design aesthetic and ergonomic considerations in design designation and selection of materials standardization ergonomics considerations in design of display tolerances preferred number explanation concurrent engineering basics procedure of machine design d.c. dynamometers unequal arm balance atmospheric pressure mechanical dynamometer (prony brake) direct method indirect method gage pressure analytical balance: (equal arm balance) study of different types of forces and torque meas measuring methods hydrostatic dynamometer eddy - current dynamometers hydraulic dynamometer torque measurement pressure measurement measurement of force and torque and pressure stand fan brake dynamometer froude hydraulic dynamometer electric dynamometers proving ring platform balance (multiple lever system) usually driven by an electric motor.  ram effec and  air induction system  air injection sy namely  port injection  throttle body inject injection and supercharging simple carburettor e  fuel system types of super charging methods of super charging functional divisions of mpfi system introduction mpfi system. injection system of c.i. engines ideal gas properties of steam concept pf heat and work zeroth law of thermodynamics thermodynamics mechanical engineering fundamentals concepts