A. 4.33 psi, 10 ft. of water, 8.83 inches of Hg
B. 4.33 psi, 10 ft. of water, 20.7 inches of Hg
C. 10 psi, 19.7 ft. of water, 23.3 inches of Hg
D. 10 psi, 19.7 ft. of water, 5.3 inches of Hg
Related Mcqs:
- The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which “sum of the moment of the resultant force about an axis is equal to the sum of the components about the same axis”. The centre of pressure of a rectangular surface (of width ‘w’) immersed vertically in a static mass of fluid is at a depth of (where, y = depth of the liquid) ?
A. 1/(y/3)
B. 2y/3
C. 1/(y/4)
D. 3y/4 - A pressure of 10 m head of water is equivalent to ______________ kN/m2?
A. 98
B. 147
C. 196
D. 49 - The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by (where, x = each side of the square duct) ?
A. x
B. √(πx)
C. √(2x)
D. √(x/2) - The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides ‘x’ & ‘y’ is given by_________________?
A. 2xy/(x + y)
B. xy/(x + y)
C. (x + y)/2xy
D. (x + y)/xy - The equivalent diameter for fluid flow through square cross section channel of side ‘x’, for pressure drop calculation purpose is given by____________________?
A. 4x
B. 2x
C. x
D. √x - Choose the correct set of dimensions of viscosity that are equivalent (where, F, M, L, T are dimensions for force, mass, length and time respectively) ?
A. FL-2T, ML-1T-1
B. FLT, ML-1T-1
C. ML-1T-3, F-1L2T
D. F-1L2T-1, MLT-3 - A 2″ gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is__________________?
A. Δp
B. < Δp
C. > Δp
D. Δp2 - In centrifugal pump operation, the cavitation can be eliminated by maintaining suction pressure ______________ the vapor pressure of the liquid at the suction temperature?
A. Lower than
B. Higher than
C. Equal to
D. None of these - The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost is P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet ?
A. P, Q and R
B. P and R
C. R and S
D. P, Rand S - In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?
A. Manometric
B. Mechanical
C. Volumetric
D. Overall
