Home» Online Test » Civil Engineering » Hydraulics Online Test » Paper 1 » Paper 2 » Paper 3 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This is a FREE online test. Beware of scammers who ask for money to attend this test. Get New Questions in Each Attempt Total Questions: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: No Do not refresh the page! 👍 All the best! 1 / 30 1. Hydraulic gradient line and total energy line are a) same b) different c) differ by pressure head d) differ by static head 2 / 30 2. *Capillarity of water is a) directly proportional to surface tension b) inversely proportional to the angle of contact c) inversely proportional to the diameter of the pipe d) all of the above 3 / 30 3. When the pipes are connected in parallel, the total loss of head a) is equal to the sum of the loss of head in each pipe b) is the same as in each pipe c) is equal to the reciprocal of the sum of the loss of head in each pipe d) none of the above 4 / 30 4. The head of water representing in the case of HGL line is known as a) static head b) residual head c) pressure head d) all of the above 5 / 30 5. *Back water curve is caused if there is a a) friction head loss is more than the bed slope b) obstruction due to weir in the channel c) there is an increase in width of the channel d) none of the above 6 / 30 6. When the fluid is at rest, the shear stress is a) maximum b) zero c) unpredictable d) none of the above 7 / 30 7. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called a) steady flow b) uniform flow c) incompressible flow d) rotational flow 8 / 30 8. The term P/pg is known as a) kinetic energy b) pressure energy per unit weight c) kinetic energy per unit weight d) none of the above 9 / 30 9. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is a) 1/2 b) 2/3 c) 3/2 d) 3/4 10 / 30 10. *The rate of flow through a venturimeter varies as a) H^1/2 b) H^3/2 c) H^4/2 d) H^5/2 11 / 30 11. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is a) 0.0116 cm³/sec b) 0.116 cm³/sec c) 0.0160 cm³/sec d) 0.00116 cm³/sec 12 / 30 12. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be a) laminar b) turbulent flow c) uniform flow d) non-uniform flow 13 / 30 13. The numerical value of vorticity is.....of the rotation a) twice b) thrice c) same d) all of the above 14 / 30 14. *The energy possessed by a fluid by virtue of its existing pressure is called a) elevation energy b) kinetic energy c) potential energy d) all of the above 15 / 30 15. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called a) steady b) uniform c) compressible d) laminar 16 / 30 16. *The term v^2/2g is known as a) kinetic energy b) pressure energy c) kinetic energy per unit weight d) none of the above 17 / 30 17. *The upper surface of the notch over which water flows is known as a) vein b) nappe c) sill d) none of the above 18 / 30 18. Which of the following is the example of laminar flow? a) underground flow b) flow past tiny bodies c) both of (a) and (b) d) none of the above 19 / 30 19. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as a) 70 cm of oil b) 2 m of oil c) 20 cm of oil d) 80 cm of oil 20 / 30 20. Which of the following has the highest coefficient of discharge: a) sharp-edged orifice b) venturimeter c) cipolleti weir d) borda's mouthpiece running full 21 / 30 21. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to a) radius b) (radius)^2 c) (radius)^3 d) (radius)^4 22 / 30 22. *The magnitude of capillary rise is more in: a) silts b) sands c) clays d) gravels 23 / 30 23. *Rotameter is used for measuring a) density of fluids b) value of fluids in a pipe c) discharge of fluids d) pressure in fluids 24 / 30 24. Falling drops of water become spheres due to a) adhesion b) cohesion c) surface tension d) viscosity 25 / 30 25. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called a) Euler number b) Froude number c) Reynolds number d) Weber number 26 / 30 26. Euler's number is the ratio of a) inertia force to pressure force b) pressure force to elastic force c) elastic force to viscous force d) viscous force to inertia force 27 / 30 27. In an inclined position, a venturimeter records a) less reading b) same reading c) more reading d) none of the above 28 / 30 28. Velocity of flow may be determined using: a) division of discharge to the area of flow b) product of area and discharge divided by 100 c) product of wetted perimeter and hydraulic radius d) all of the above 29 / 30 29. *Bernoulli's equation assumes that a) fluid is non-viscous b) fluid is homogeneous c) flow is along the streamline d) all of the above 30 / 30 30. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by a) Pascal b) Newton c) Archimedes d) all of the above Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Hydraulics MCQ PDF for Offline Study Share the above MCQs:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
