The vapour pressure over the concave surface is________________? September 7, 2025 by Admin A. less man the vapour pressure over the plane surface B. equal to the vapour pressure over the plane surface C. greater than the vapour pressure over the plane surface D. zero ✅ The correct answer is option A.
Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________? September 7, 2025 by Admin A. pt = 3H3p/2 Z5 B. pt = 2H3p/3 Z5 C. pt = 3H3p/2Z5 D. pt = 2 3p/3Z5 ✅ The correct answer is option A.
Newton’s law of viscosity is a relationship between________________? September 7, 2025 by Admin A. shear stress anctthejiate of angular distortion B. shear stress and viscosity C. shear stress, velocity and viscosity D. pressure, velocity and viscosity ✅ The correct answer is option A.
The units of kinematic viscosity are_______________? September 7, 2025 by Admin A. metres2 per sec B. kg sec/meter C. newton-sec per meter D. newton-sec per meter ✅ The correct answer is option A.
What is the simplest form of business organization ? September 7, 2025 by Admin A. Sole proprietorship B. Partnership C. Enterprise D. Corporation ✅ The correct answer is option A.
The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is____________________? September 7, 2025 by Admin A. 1.5 B. 2.0 C. 3.0 D. 4.0 ✅ The correct answer is option A.
For house drainage minimum gradient is__________________? September 7, 2025 by Admin A. 1 in 60 B. 1 in 80 C. 1 in 10 D. 1 in 400 ✅ The correct answer is option A.
The surface tension of mercury at normal temperature compared to that of water is____________________? September 7, 2025 by Admin A. more B. less C. same D. more or less depending on size of glass tube ✅ The correct answer is option A.
Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value________________? September 7, 2025 by Admin A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true ✅ The correct answer is option A.
The fluid forces considered in the Navier Stokes equation are__________________? September 7, 2025 by Admin A. gravity, pressure and viscous B. gravity, pressure and turbulent C. pressure, viscous and turbulent D. gravity, viscous and turbulent ✅ The correct answer is option A.