1)The gravity at a location is 5 m/s². The density of fluid was 2000 kg/m³. The pressure exerted by a column of 1 m of the fluid will be (a) 400 N/m² (b) 10000 N/m² (c) 2000 N/m² (d) 5 N/m² 2) The specific weight of a fluid is 20000 N/m³. The pressure (above atmosphere) in a tank bottom containing the fluid to a height of 0.2 m is (a) 40000 N/m² (b) 2000 N/m² (c) 4000 N/m² (d) 20000 N/m² 3) The pressure less than atmospheric pressure is known as (a) suction pressure (b) vacuum pressure (4) A flow in which the volume of a fluid and its density does not change during the flow is called flow. (a) incompressible 5) A flow in which (a) Elastic 6) Reynold's number is (a) pressure force (b) surface tension (c) negative gauge pressure (d) all of these (b) Compressible (c) laminar (d) turbulent force is dominating over the viscosity is called turbulent flow. (c) Viscous (d) Inertia 7)Laminar flow (a) takes 8) The shear stress-strain (a) straight line the ratio of inertia force to (b) elastic force (c)gravity force place at very low velocities. (b) does not take graph for a Newtonian fluid is a (b) parabolic curve (c) hyperbolic curve (d) elliptical 9) Viscous force is the of shear stress due to viscosity and cross-sectional area (c) product (b) different (d) ratio (a) sum 10) According to Newton's law of viscosity, the shear stress on a layer of a fluid is strain. (2) C₁=C₂/C, (b) C₁=C₂/C, (c) (a) equal to (b) directly proportional (c) inversely proportional 11) The maximum velocity in a circular pipe when flow is laminar occurs at (a) the top of the pipe (c) (D/3) from bottom of the pipe 12) The unit of the constant(H) in the Bernoulli's equation is mkg, Is kg, (a) (b) (c) 13) The relation between hydraulic coefficients is (d) viscous force m.kg,/ kg, C₂ = C₂ * C₁ √2gh (d) (b) the center of the pipe (d) (D/3) from the top of the pip of flow. (d) m.kg, IN C₁=C₁ C₂ √2gh to the rate of shear

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Determine the force in members DE, HG, Bc and BG of the turss Shown in and state if the members are intenstion or compreession