Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.95 times 0.81 times 0.34 times 0.67 times 0.95 times 0.81 times 0.34 times 0.67 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be wh h w/h h/w wh h w/h h/w ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/3 to 1/2 1/4 to 1/3 1/16 to 1/8 1/8 to 1/4 1/3 to 1/2 1/4 to 1/3 1/16 to 1/8 1/8 to 1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium When the metacentre is above e.g. When its meatcentric height is zero Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy When the metacentre is above e.g. When its meatcentric height is zero Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement. The bodies A and B have equal stability The body A is more stable than body B The bodies A and B are unstable The body B is more stable than body A The bodies A and B have equal stability The body A is more stable than body B The bodies A and B are unstable The body B is more stable than body A ANSWER DOWNLOAD EXAMIANS APP