Q1: Air enters a converging-diverging nozzle having throat diameter of 8.5cm and exit diameter 28cm. the stagnation temperature and pressure are 270K & 100kpa. Determine the mass flow rate, exit temperature, exit pressure if you know that the flow is compressible and no shock occurs and throat Mach number is unity.

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Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.