Hydraulics & Fluid Mechanics Mercury is often used in barometer because both (B) and (C) it is the best liquid its vapour pressure is so low that it may be neglected the height of barometer will be less both (B) and (C) it is the best liquid its vapour pressure is so low that it may be neglected the height of barometer will be less ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a Sutro weir, the discharge is proportional to (where H is head) H H3/2 H5/2 H1/2 H H3/2 H5/2 H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is at the centroid of the submerged area always above the centroid of the area always below the centroid of the area None of these at the centroid of the submerged area always above the centroid of the area always below the centroid of the area None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is (d)p = 2T/r (b)p = T/r (a)p = Txr p = T/2r (d)p = 2T/r (b)p = T/r (a)p = Txr p = T/2r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/3 H/3 H/2 2 H/5 2 H/3 H/3 H/2 2 H/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of gas law Charle’s law Boyle’s law Pascal’s law gas law Charle’s law Boyle’s law Pascal’s law ANSWER DOWNLOAD EXAMIANS APP