1. ABEF is a light-weighted rod supported by bearings at C and D. AH is a wire. There is a 400N vertical load applied at F. The portion AB of the rod is 250 mm long. Assume that the bearing at D does not exert any axial thrust. (1) Draw a Free body diagram using the rod ABEF as your system. Make reasonable assumptions to make this a statically determinate system (Tension of the wire AH is an unknown). Clearly state your assumptions. (2) It is found that the tension T of the wire is 462N. Determine the force-couple system at C which is equivalent to the tension T and the 40ON load at F. (3) Determine the moment generated by the 400N load at F about the line AH H B C A 30° 30° 250 mm D E 50 mm 300 mm 250 mm 50 mm 400 N int: AB = BH = 250 mm. and angle ABH = 60° %3D
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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