Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to speed of impeller Proportional to diameter of impeller Proportional to diameter and speed of impeller None of these Proportional to speed of impeller Proportional to diameter of impeller Proportional to diameter and speed of impeller None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress-strain graph for a Newtonian fluid is a Straight line Hyperbolic curve Parabolic curve Elliptical Straight line Hyperbolic curve Parabolic curve Elliptical ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.20 cm 0.05 cm 0.10 cm 0.40 cm 0.20 cm 0.05 cm 0.10 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of rectangular section will be maximum, if Its breadth is thrice the depth Its depth is thrice the breadth Its depth is twice the breadth Its breadth is twice the depth Its breadth is thrice the depth Its depth is thrice the breadth Its depth is twice the breadth Its breadth is twice the depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch. 0.025 0.01 0.015 0.02 0.025 0.01 0.015 0.02 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Reciprocating pump Air lift pump Jet pump Centrifugal pump Reciprocating pump Air lift pump Jet pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS