Pressure in a water container can be measured by an open vertical tube. If the expected water rise is about 20cm. What tube diameter is needed to ensure the capillary action is less than 3%?

Sometimes manometer dimensions have a signifi canteffect. In Fig.  containers ( a ) and ( b ) are cylindricaland conditions are such that p a = p b . Derive a formula forthe pressure difference p a - p b when the oil–water interfaceon the right rises a distance ∆ h< h , for ( a ) d << D and ( b ) d=0.15 D . What is the percentage change in the value of ∆ p ?

A closed cylindrical vessel, 2m in diameter & 4m high is fully filled with water & rotated to its vertical axis at a constant speed of 12.2 rad/sec. The top is pressurized by 180 KPa. (a) What is the pressure at the center bottom of the cylinder? (b) What is the pressure at the circumference bottom of the cylinder? (c) What is the total hydrostatic force at the sides of the cylinder?

The fluid in a manometer tube is 60 % water and 40 % alcohol (S.G.0.83). What is the manometer fluid height difference (in ft) if a 8.8 psi pressure is applied across the two ends of a manometer?

complete solution and readable

To what height will 68˚F ethyl alcohol rise in a 0.005 in internal diameter glass capillary tube? The density of the alcohol is 49 lbm/ft3 note ? = 0.00156 ???/ ?? and ? = 0°.

A McLeod Gage is available which has a volume, VB of 58.9 cm vecoum spece, and a capillary diameter of 1 mm. Refercnce The gage reading on the device is 15 cm. Calculate the pressure corresponding to this gage reading in micrometer of Movable Eervoir water. Capillary, C Buh, Opening, O

The gauge pressure in a liquid at a depth of 2.7m is 55.8 kPa. What is the gauage pressure kPa in the same liquid at a depth of 6.4m. I need right solution with clear calculations.

Detailed Solution for i and ii

pressurea are sometimes determined by measuring the height of a column of liquid in a vertical tube, what diameter clean glass tubing is required so that the rise of the water at 20°C in a tube due to capillary action (as opposed to pressure in tube) is less than h=1.0mm