A manometer that containing mercury under water measures the pressure differential over instrument, so a venturi meter is placed horizontal and have a throat diameter 20mm is set in a 75mm ID pipe line. At 15oC water is flowing through the pipeline. When the manometer reading is 500mm, what is the flow rate in lit/hr. If 12% of the differential is permanently lost, what is the power consumption of the meter

In a unit cell of fcc structure, indicate the position of one of the tetrahedral interstitial sites by plotting the corresponding tetrahedron. do the same for one of the octahedral interstitial sites (in a separate fcc unit cell). mark the positions of all the tetrahedral and octahedral interstitial sites in the unit cells. how many equivalent tetrahedral sites and how many equivalent octahedral sites are contained in a fcc unit cell, respectively. what is the coordination number for a tetrahedral site and what is the coordination number for an octahedral site?