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 length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is 20 km 8 km 32 km 4 km 20 km 8 km 32 km 4 km ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube None of these varies parabolically with maximum at the centre is constant over the cross-section varies linearly from zero at walls to maximum at centre None of these varies parabolically with maximum at the centre is constant over the cross-section varies linearly from zero at walls to maximum at centre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of pressure on an inclined plane is At the Centroid At metacentre Below the Centroid Above the Centroid At the Centroid At metacentre Below the Centroid Above the Centroid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q³/g)1/4 (q/g)1/2 (q²/g)1/3 (q⁴/g)1/5 (q³/g)1/4 (q/g)1/2 (q²/g)1/3 (q⁴/g)1/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Choose the correct relationship kinematicviscosity = dynamicviscosity x density dynamicviscosity = kinematicviscosity x density specific gravity = gravity x density gravity = specific gravity x density kinematicviscosity = dynamicviscosity x density dynamicviscosity = kinematicviscosity x density specific gravity = gravity x density gravity = specific gravity x density ANSWER DOWNLOAD EXAMIANS APP