Fluid Mechanics A stream line is Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Varies parabolically across the cross-section Remains constant over the cross-section Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre Varies parabolically across the cross-section Remains constant over the cross-section Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The value of critical Reynolds number for pipe flow is 1300 10000 100000 None of these 1300 10000 100000 None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A piezometer opening measures the __________ fluid pressure. Static Dynamic Undisturbed Total Static Dynamic Undisturbed Total ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Needle valve None of these Butterfly valve Globe valve Needle valve None of these Butterfly valve Globe valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation dq/dx = K dq/dx = K.q dq/dx = Kq² dq/dx = K/q dq/dx = K dq/dx = K.q dq/dx = Kq² dq/dx = K/q ANSWER DOWNLOAD EXAMIANS APP
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