Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will increase/decrease depending on depth of immersion increase decrease remain same increase/decrease depending on depth of immersion increase decrease remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of gas law Pascal’s law Boyle’s law Charle’s law gas law Pascal’s law Boyle’s law Charle’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of 4.2 M 4.0 M 4.8 M 4.6 M 4.2 M 4.0 M 4.8 M 4.6 M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 3/4 R 2/3 R 1/2 R 1/3 R 3/4 R 2/3 R 1/2 R 1/3 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5’4 where H is head. H3’2 H5/2 H1/2 H5’4 where H is head. H3’2 H5/2 H1/2 ANSWER DOWNLOAD EXAMIANS APP
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