CE 2200 : Exam 1 Summer 2016
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Your name: choose the correct answer from the following options (36 pt: 4 points each): (1). The dimension of force f is ______________? (m- mass, l- length, t- time) (a) m/(lt2) (b) m/(l2t) (c) m/(lt) (d) ml/t2 (2). At boundaries, fluid particles adhere to the walls, and so their velocities are zero relative to the wall. This characteristic is referred to as_______ (a) surface tension (b) no-slip condition (c) bulk modulus of elasticity (d) vapor pressure (5). The center of pressure of a hydrostatic force is always the centroid. (a) below (b) coincident with (c) above (d) parallel to. Consider water flowing at 15oc in a piping system. If the pressure of the water drops to the vapor pressure, the water will boil, and engineers will say that the system is under __________ (a) capillary repulsion (b) capillary rise (c) cavitation (d) specific heat (7).
