Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/4 × (depth + breadth) 1/2 × sloping side 1/2 × breadth 1/2 × depth 1/4 × (depth + breadth) 1/2 × sloping side 1/2 × breadth 1/2 × depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant pressure, the speed capacity and power vary As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Super-sonic velocity Higher critical velocity Sub-sonic velocity Lower critical velocity Super-sonic velocity Higher critical velocity Sub-sonic velocity Lower critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynold's number is the ratio of inertia force to Viscous force Elastic force Gravity force Pressure force Viscous force Elastic force Gravity force Pressure force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of pressure compared to e.g. is Below it At same point Above or below depending on area of body Above it Below it At same point Above or below depending on area of body Above it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of rectangular section will be maximum, if Its depth is thrice the breadth Its breadth is twice the depth Its breadth is thrice the depth Its depth is twice the breadth Its depth is thrice the breadth Its breadth is twice the depth Its breadth is thrice the depth Its depth is twice the breadth ANSWER DOWNLOAD EXAMIANS APP
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