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Metallurgical Engineering Mechanical Metallurgy Difficulty: Medium

Match the requirement from Group 1 with the suitable casting process from Group 2 . Group 1 Group 2 P. Good surface finish 1. Slush casting Q. Expandable mould 2. Pressure die casting R. Heavy casting 3. Investment casting S. Hollow ornamental casting 4. Sand casting There are 150 gearwheels in a box, out of which 112 are within the required tolerance, 21 are below and rest are above the required tolerance. If the selection is done without replacement, the combined probability of randomly selecting a gearwheel below the tolerance and then a second one above the tolerance is The advantages of the scanning electron microscope (SEM) include all of the following except: Heat capacity at constant pressure is defined by What will be the degree of freedom for single phase system of binary system?