MCQOPTIONS
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MCQOPTIONS
This section includes 279 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An element of fluid bonded by a number of stream lines, which confine the flow, is called |
| A. | stream line |
| B. | streak line |
| C. | potential line |
| D. | stream tube |
| Answer» E. | |
| 2. |
Type of flow in which fluid particles do not rotate about their own axes while flowing isknown as |
| A. | compressible flow |
| B. | incompressible flow |
| C. | rotational flow |
| D. | ir-rotational flow |
| Answer» E. | |
| 3. |
Attraction between the molecules of same liquid is known as __________. |
| A. | Cohesion |
| B. | Adhesion |
| C. | Dynamic Viscosity |
| D. | Kinetic Viscosity |
| Answer» B. Adhesion | |
| 4. |
the velocity of approach is considered for the discharge over the weir then the additionalheight of must be considered. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 5. |
The place, where the hydraulic jump takes place, a lot energy of the flowing liquid isdissipated. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 6. |
A real fluid, in which the shear stress is not proportional to the rate of shear strain (or velocity gradient), is known as __________. |
| A. | Ideal fluid |
| B. | Real fluid |
| C. | Newtonian fluid |
| D. | Non-Newtonian fluid |
| Answer» E. | |
| 7. |
The angle of diverging cone is about |
| A. | 2.5° |
| B. | 7° |
| C. | 7.5° |
| D. | 20° |
| Answer» C. 7.5° | |
| 8. |
______ is defined as the ratio of weight of a fluid to its volume. |
| A. | Density |
| B. | Specific weight |
| C. | Specific gravity |
| D. | Surface tension |
| Answer» C. Specific gravity | |
| 9. |
A compound pipe line is made up of pipe 45 cm dia. for 900 m, 37.5 cm for 450 m and 30 cm for 300 m is required to replace by a pipe of uniform diameter. Find diameter of equivalent pipe. |
| A. | 0.37 cm |
| B. | 3.7 cm |
| C. | 3.7 m |
| D. | 0.37 m |
| Answer» E. | |
| 10. |
The velocity with which water approaches the weir, is known as |
| A. | velocity coming |
| B. | velocity ends |
| C. | velocity of approach |
| D. | all of the above |
| Answer» D. all of the above | |
| 11. |
In the gravitational system, normally Diameter of pipe is |
| A. | 2 to 7 cm |
| B. | 10 to 45 cm |
| C. | 1 to 2 cm |
| D. | 150 to 200 cm |
| Answer» C. 1 to 2 cm | |
| 12. |
Intensity of pressure (p) is proportional to the pressure head (h) |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 13. |
The diameters of a pipe at the sections 1 and 2 are 10 cm and15 cm respectively. The velocityof water flowing through the pipe at section 1 is 5 m/s. Determine the velocity at section 2. |
| A. | 0.22 m/sec |
| B. | 0.45 m/sec |
| C. | 2.22 m/sec |
| D. | 4.40 m/sec |
| Answer» D. 4.40 m/sec | |
| 14. |
The bed and sides are smooth and regular in artificial channel. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 15. |
“For a fluid flowing throw the pipe the quantity of fluid passing per second is constant at all section.” This is statement of |
| A. | Pascal’s law |
| B. | Continuity equation |
| C. | Bernoulli’s equation |
| D. | Darcy’s law |
| Answer» C. Bernoulli’s equation | |
| 16. |
When the free surface of a stream is in contact with the atmosphere and the flow is flowing due to gravitational force and atmospheric pressure, it is called pipe. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» C. all | |
| 17. |
When pressure is measured with reference to atmospheric pressure, but it is belowatmospheric pressure, it is known as |
| A. | Atmospheric pressure |
| B. | Absolute Pressure |
| C. | Gauge Pressure |
| D. | Vacuum Pressure |
| Answer» E. | |
| 18. |
____________ is defined as the ratio of the weight density (or density) a fluid to the weightdensity (or density) of a standard fluid. |
| A. | Density |
| B. | Specific weight |
| C. | Specific gravity |
| D. | Surface tension |
| Answer» D. Surface tension | |
| 19. |
If fr > 1, then type of flow is |
| A. | super critical flow |
| B. | sub critical flow |
| C. | critical flow |
| D. | equivalent critical flow |
| Answer» B. sub critical flow | |
| 20. |
In the gravitational system, normally Pressure in the pipe is |
| A. | 2 to 7 kg/m3 |
| B. | 10 to 45 kg/m3 |
| C. | 1 to 2 kg/m3 |
| D. | 150 to 200 kg/m3 |
| Answer» B. 10 to 45 kg/m3 | |
| 21. |
The frictional resistance is proportional to the velocity in laminar flow |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 22. |
A 30 cm x 20 cm horizontal venturimeter is placed to measure the flow rate of water. The pressure difference between the inlet and the throat is 2.52 m (of water). Find the flow rate of the venturimeter with a constant of 0.98. |
| A. | 0.241 m3/sec |
| B. | 2.41 m3/sec |
| C. | 0.241 lit/sec |
| D. | 2.41 lit/sec |
| Answer» B. 2.41 m3/sec | |
| 23. |
a structure constructed across a river or canal to store water on the upstream side is called |
| A. | circle |
| B. | orifice |
| C. | notch |
| D. | weir |
| Answer» E. | |
| 24. |
When the length of the weir is less than the width of the stream, there will be contraction of flow at each end. This contraction is known as |
| A. | side contraction |
| B. | end contraction |
| C. | sides contraction |
| D. | none of the above |
| Answer» C. sides contraction | |
| 25. |
Venturiflume is used to measure the flow in an open canal. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 26. |
______ is the branch of civil engineering dealing with the behavior of fluid when it is at rest. |
| A. | Hydraulics |
| B. | hydro statics |
| C. | Hydro dynamics |
| D. | hydro kinematics |
| Answer» C. Hydro dynamics | |
| 27. |
A pipe line is 6 km long and having 20 cm diameter connect two reservoir 'A' and 'B'. The rate of discharge in the pipe is 30 lit/sec. Find out the difference in reservoir levels if friction factorf = 0.0008. |
| A. | 4.5 mm |
| B. | 4.5 cm |
| C. | 4.5 m |
| D. | 4.5 |
| Answer» D. 4.5 | |
| 28. |
The unit of pressure is ___________. |
| A. | kN/m3 |
| B. | N/m |
| C. | Pa |
| D. | no unit |
| Answer» D. no unit | |
| 29. |
“In a steady, ideal flow of an incompressible fluid, the total energy at any point of the fluid is constant."This is statement of |
| A. | Pascal’s law |
| B. | Continuity equation |
| C. | Bernoulli’s equation |
| D. | Darcy’s law |
| Answer» D. Darcy’s law | |
| 30. |
In diverging cone area gradually __________ and hence velocity _____________. |
| A. | increase, increase |
| B. | increase, decrease |
| C. | decrease, increase |
| D. | decrease, decrease |
| Answer» C. decrease, increase | |
| 31. |
From following which is correct? |
| A. | Cd = Cc × Cv |
| B. | Cc = Cd × Cv |
| C. | Cv = Cc × Cd |
| D. | None of the above |
| Answer» B. Cc = Cd × Cv | |
| 32. |
Head loss due to entry. |
| A. | h = 0.5 V12/2g |
| B. | h = 0.5 V22/2g |
| C. | h = (V2 – V3)2/2g |
| D. | h = 0.5 V32/2g |
| Answer» B. h = 0.5 V22/2g | |
| 33. |
Determine the head over sill of a 90° V-notch when the discharge passing over it is 100 lit/sec.consider Cd 0.6. |
| A. | 0.346 cm |
| B. | 3.46 cm |
| C. | 0.346 m |
| D. | 3.46 m |
| Answer» D. 3.46 m | |
| 34. |
The unit of specific gravity is ___________. |
| A. | kN/m3 |
| B. | N/m |
| C. | Pa |
| D. | no unit |
| Answer» E. | |
| 35. |
Methods of Velocity Measurement is |
| A. | Surface floats |
| B. | Sub-surface floats |
| C. | Velocity rods |
| D. | all of this |
| Answer» E. | |
| 36. |
Type of flow in which the velocity at any given time changes with respect to space is known as |
| A. | steady flow |
| B. | unsteady flow |
| C. | uniform flow |
| D. | non-uniform flow |
| Answer» E. | |
| 37. |
The equation of V-notch is deal with H is |
| A. | 2/3 |
| B. | 3/2 |
| C. | 5/2 |
| D. | 2/5 |
| Answer» D. 2/5 | |
| 38. |
A fluid which is compressible, has viscosity and surface tension, Is known as ____________. |
| A. | Ideal fluid |
| B. | Real fluid |
| C. | Newtonian fluid |
| D. | Non-Newtonian fluid |
| Answer» C. Newtonian fluid | |
| 39. |
Sometimes a compound pipe is required to be replaced by a pipe of uniform diameter and of the same length as that of the compound pipe is known as |
| A. | pipe line |
| B. | compound pipe |
| C. | equivalent pipe |
| D. | None of the above |
| Answer» D. None of the above | |
| 40. |
The length of converging cone is about |
| A. | 2.5 d1 |
| B. | 7 d1 |
| C. | 7.5 d1 |
| D. | 20 d1 |
| Answer» B. 7 d1 | |
| 41. |
In solid, resistance to shear force is less. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 42. |
Only one reading, i.e. head (H) is required to be taken for the measurement of discharge in atriangular notch. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» B. false | |
| 43. |
Type of flow in which the velocity at any given time does not change with respect to space is known as |
| A. | steady flow |
| B. | unsteady flow |
| C. | uniform flow |
| D. | non-uniform flow |
| Answer» D. non-uniform flow | |
| 44. |
A fluid in which shear stress is more than the yield value and shear stress is proportional tothe rate of shear strain (or velocity gradient) is known as ___________. |
| A. | Ideal plastic fluid |
| B. | Real fluid |
| C. | Newtonian fluid |
| D. | Non-Newtonian fluid |
| Answer» B. Real fluid | |
| 45. |
When discharge of orifice is free in the air, it is called |
| A. | large orifice |
| B. | free discharge orifice |
| C. | fully submerged orifice |
| D. | partially submerged orifice |
| Answer» C. fully submerged orifice | |
| 46. |
A rectangular notch gives more accurate results for low discharges than a triangular notch. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» C. all | |
| 47. |
Whenever a liquid (such as water, oil etc.) is filled in a vessel, it exerts force at all points on the sides and bottom of the container. This force per unit area is called |
| A. | pressure |
| B. | force intensity |
| C. | pressure intensity |
| D. | all of the above |
| Answer» B. force intensity | |
| 48. |
In fluid, the distance between the molecules is less. |
| A. | true |
| B. | false |
| C. | all |
| D. | none |
| Answer» C. all | |
| 49. |
Type of flow in which the density of fluid change from point to point is known as |
| A. | compressible flow |
| B. | incompressible flow |
| C. | rotational flow |
| D. | ir-rotational flow |
| Answer» B. incompressible flow | |
| 50. |
An opening in a tank or vessel through which the liquid flows out is known as |
| A. | circle |
| B. | orifice |
| C. | notch |
| D. | weir |
| Answer» C. notch | |