Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension will increase in size of tube will Remain unaffected May increase or decrease depending on the characteristics of liquid Increase Decrease Remain unaffected May increase or decrease depending on the characteristics of liquid Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
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 In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Sixteen times Eight times Four times Double Sixteen times Eight times Four times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg × hf H = Hg + hf H = Hg - hf H = Hg/hf H = Hg × hf H = Hg + hf H = Hg - hf H = Hg/hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 20 kN 5kN lOkN 15 kN 20 kN 5kN lOkN 15 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas increases with increase in temperature decreases with increase in temperature is independent of temperature is independent of pressure for very high pressure intensities increases with increase in temperature decreases with increase in temperature is independent of temperature is independent of pressure for very high pressure intensities ANSWER DOWNLOAD EXAMIANS APP
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