Question 4 On the front side of an ICE, a belt drive is used to transmit power from crank shaft pulley to an air- conditioning compressor pulley through an open type flat belt drive, as shown in Figure 3 below. The crank shaft pulley (driver) has a diameter of 15-cm and the compressor pulley (driven) is double from it. The center-to-center distance is 70-cm. At the front-end pulley, the tight tension is 700-N, angular velocity w, is 5500T-rad/min, coefficient of friction is 0.40 and the weight per unit length is 4-N/m. By using all the information given, a) Show the center-to-center distance ideal? State your reason. b) Calculate the Angle of contact/wrap for both pulleys, e1 & 02 c) Predict the Slack tension, T2 d) Torque on both pulleys, T1 & T2 Driven T1 Driver T2 Figure 3
Theory and Design for Mechanical Measurements
Measurement is a term that refers to analyzing a manufactured component regarding the degree of accuracy for dimensions, tolerances, geometric profile, roundness, flatness, smoothness, etc. Measurement always involves comparing the manufactured component or the prototype with a standard specimen whose dimensions and other parameters are assumed to be perfect and do not undergo changes with respect to time.Precisely in mechanical engineering the branch that deals with the application of scientific principles for measurements is known as metrology. The domain of metrology in general deals with various measurements like mechanical, chemical, thermodynamic, physical, and biological measurements. In mechanical engineering, the measurements are limited to mechanical specific such as length, mass, surface profile, flatness, roundness, viscosity, heat transfer, etc.
Basic principles of engineering metrology
Metrology is described as the science of measurement, precision, and accuracy. In other words, it is a method of measurement based on units and predefined standards.
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