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 Reynold's number is the ratio of the inertia force to the Gravity force Viscous force Elastic force Surface tension force Gravity force Viscous force Elastic force Surface tension force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) 2p/sinα p/sinα p/2sinα 2p/sin (α/2) 2p/sinα p/sinα p/2sinα 2p/sin (α/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir, generally, used as a spillway of a dam is Narrow crested weir Submerged weir Ogee weir Broad crested weir Narrow crested weir Submerged weir Ogee weir Broad crested weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. Ax̅ / IG below IG / Ax̅ above IG / Ax̅ below Ax̅ / IG above Ax̅ / IG below IG / Ax̅ above IG / Ax̅ below Ax̅ / IG above ANSWER DOWNLOAD EXAMIANS APP
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