MCQOPTIONS
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MCQOPTIONS
This section includes 248 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Working principle of dead weight pressure gauge tester is based on __________________? |
| A. | Pascal’s law |
| B. | Dalton’s law of partial pressure |
| C. | Newton’s law of viscosity |
| D. | Avogadro’s hypothesis |
| E. | Second law of thermodynamic |
| Answer» B. Dalton’s law of partial pressure | |
| 2. |
Which of the following meters is not associated with viscosity__________________? |
| A. | Red wood |
| B. | Say bolt |
| C. | Engler |
| D. | Orsat |
| E. | none of the above |
| Answer» E. none of the above | |
| 3. |
Which of the following manometer has highest sensitivity __________________? |
| A. | U-tube with water |
| B. | inclined U-tube |
| C. | U-tube with mercury |
| D. | micro-manometer with water |
| E. | displacement type |
| Answer» E. displacement type | |
| 4. |
Which of the following is the unit of kinematic viscosity _________________? |
| A. | pascal |
| B. | poise |
| C. | stoke |
| D. | faraday |
| E. | none of the above |
| Answer» D. faraday | |
| 5. |
Which of the following is dimensionless ________________? |
| A. | specific weight |
| B. | specific volume |
| C. | specific speed |
| D. | specific gravity |
| E. | specific viscosity |
| Answer» E. specific viscosity | |
| 6. |
Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem __________________? |
| A. | Venturimeter |
| B. | Orifice plate |
| C. | nozzle |
| D. | pitot tube |
| E. | all of the above |
| Answer» F. | |
| 7. |
Which of the following instrument can be used for measuring speed of an aeroplane ________________? |
| A. | Venturimeter |
| B. | Orifice plate |
| C. | hot wire anemometer |
| D. | rotameter |
| E. | pitot tube |
| Answer» F. | |
| 8. |
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea_________________? |
| A. | Venturimeter |
| B. | Orifice plate |
| C. | hot wire anemometer |
| D. | rotameter |
| E. | pitot tube |
| Answer» F. | |
| 9. |
When the flow parameters at any given instant remain same at every point, then flow is said to be____________________? |
| A. | quasi static |
| B. | steady state |
| C. | laminar |
| D. | uniform |
| E. | static |
| Answer» E. static | |
| 10. |
When a body floating in a liquid, is displaced slightly, it oscillates about ___________________? |
| A. | e.g. of body |
| B. | center of pressure |
| C. | center of buoyancy |
| D. | metacentre |
| E. | liquid surface |
| Answer» E. liquid surface | |
| 11. |
Viscosity of water in comparison to mercury is ______________________? |
| A. | higher |
| B. | lower |
| C. | same |
| D. | higher/lower depending on temperature |
| E. | unpredictable |
| Answer» B. lower | |
| 12. |
Units of surface tension are_________________? |
| A. | energy/unit area |
| B. | distance |
| C. | both of the above |
| D. | it has no units |
| E. | none of the above |
| Answer» D. it has no units | |
| 13. |
Uniform flow occurs when___________________? |
| A. | the direction and magnitude of the velocity at all points are identical |
| B. | the velocity of successive fluid pai-ticles, at any point, is the same at suc¬cessive periods of time |
| C. | the magnitude and direction of the velocity do not change from point to point in the fluid |
| D. | the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plsr.e |
| E. | velocity, depth, pressure, etc. change from point to point in the fluid flow |
| Answer» D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plsr.e | |
| 14. |
Uniform flow occurs when____________________? |
| A. | the flow is steady |
| B. | the flow is streamline |
| C. | size and shape of the cross section in a particular length remain constant |
| D. | size and cross section change uniform¬ly along length |
| E. | flow occurs at constant fate |
| Answer» D. size and cross section change uniform¬ly along length | |
| 15. |
Two pipe systems can be said to be equivalent, when the following quantites are same______________? |
| A. | friction loss and flow |
| B. | length and diameter |
| C. | flow and length |
| D. | friction factor and diameter |
| E. | velocity and diameter |
| Answer» B. length and diameter | |
| 16. |
Two dimensional flow occurs when___________________? |
| A. | the direction and magnitude of the velocity at all points are identical |
| B. | the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time |
| C. | the magnitude and direction of the velocity do not change from point to point in the fluid |
| D. | the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane |
| E. | velocity, depth, pressure, etc. change from point to point in the fluid flow |
| Answer» E. velocity, depth, pressure, etc. change from point to point in the fluid flow | |
| 17. |
True one-dimensional flow occurs when___________________? |
| A. | the direction and magnitude of the veiocity at all points are identical |
| B. | the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time |
| C. | the magnitude and direction of the velocity do not change from point to point in the fluid |
| D. | the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane |
| E. | velocity, depth, pressure etc. change from point to point in the fluid flow |
| Answer» B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time | |
| 18. |
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________? |
| A. | 1000 kg |
| B. | 4000 kg |
| C. | 2000 kg |
| D. | 8000 kg |
| E. | 16000 kg |
| Answer» B. 4000 kg | |
| 19. |
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than_______________? |
| A. | 2.4 m above the hydraulic gradient |
| B. | 6.4 m above the hydraulic gradient |
| C. | 10.0 m above the hydraulic gradient |
| D. | 5.0 above the hydraulic gradient |
| E. | none of the above |
| Answer» C. 10.0 m above the hydraulic gradient | |
| 20. |
To avoid an interruption in the flow of a syphon, an air vessel is provided______________? |
| A. | at the inlet |
| B. | at the outlet |
| C. | at the summit |
| D. | ay nay point between inlet and outlet |
| E. | none of the above |
| Answer» D. ay nay point between inlet and outlet | |
| 21. |
The volumetric change of the fluid caused by a resistance is known as_________________? |
| A. | volumetric strain |
| B. | volumetric index |
| C. | compressibility |
| D. | adhesion |
| E. | cohesion |
| Answer» D. adhesion | |
| 22. |
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to___________________? |
| A. | head of water (h) |
| B. | h2 |
| C. | V/T |
| D. | h2 |
| E. | h3/1. |
| Answer» D. h2 | |
| 23. |
The vapour pressure over the concave surface is__________________? |
| 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 |
| E. | none of the above |
| Answer» B. equal to the vapour pressure over the plane surface | |
| 24. |
The vapour pressure over the concave surface is________________? |
| 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 |
| E. | none of the above |
| Answer» B. equal to the vapour pressure over the plane surface | |
| 25. |
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to _________________? |
| A. | 1000 |
| B. | 2100 |
| C. | 2700 |
| D. | 10,000 |
| E. | 21,000 |
| Answer» F. | |
| 26. |
The value of mass density in kgsecVm4 for water at 0°C is_______________? |
| A. | 1 |
| B. | 1000 |
| C. | 100 |
| D. | 101.9 |
| E. | 91 |
| Answer» E. 91 | |
| 27. |
The upper surface of a weir over which water flows is known is________________? |
| A. | crest |
| B. | nappe |
| C. | sill |
| D. | weir top |
| E. | contracta |
| Answer» D. weir top | |
| 28. |
The units of viscosity are__________________? |
| A. | metres2 per sec |
| B. | kg sec/metre |
| C. | newton-sec per metre2 |
| D. | newton-sec per metre |
| E. | none of the above |
| Answer» C. newton-sec per metre2 | |
| 29. |
The units of kinematic viscosity are_______________? |
| A. | metres2 per sec |
| B. | kg sec/meter |
| C. | newton-sec per meter |
| D. | newton-sec per meter |
| E. | none of the above |
| Answer» B. kg sec/meter | |
| 30. |
The units of dynamic or absolute viscosity are_______________? |
| A. | metres2 per sec |
| B. | kg sec/meter |
| C. | newton-sec per meter |
| D. | newton-sec2 per meter |
| E. | none of the above |
| Answer» D. newton-sec2 per meter | |
| 31. |
The two important forces for a floating body are___________________? |
| A. | buoyancy, gravity |
| B. | buoyancy, pressure |
| C. | buoyancy, inertial |
| D. | inertial, gravity |
| E. | gravity, pressure |
| Answer» B. buoyancy, pressure | |
| 32. |
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be___________________? |
| A. | 500 kg |
| B. | 1000 kg |
| C. | 1500 kg |
| D. | 2000 kg |
| E. | 4000 kg |
| Answer» E. 4000 kg | |
| 33. |
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________? |
| A. | 500 kg |
| B. | 1000 kg |
| C. | 1500 kg |
| D. | 2000 kg |
| E. | 4000 kg |
| Answer» E. 4000 kg | |
| 34. |
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if __________________? |
| A. | the area is horizontal |
| B. | the area is vertical |
| C. | the area is inclined |
| D. | all of the above |
| E. | none of the above |
| Answer» E. none of the above | |
| 35. |
The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream________________? |
| A. | keeps on increasing |
| B. | keeps on decreasing |
| C. | remains constant |
| D. | may increase/decrease |
| E. | unpredictable |
| Answer» D. may increase/decrease | |
| 36. |
The time oscillation of a floating body with increase in metacentric height will be________________? |
| A. | same |
| B. | higher |
| C. | lower |
| D. | lower/higher depending on weight of body |
| E. | unpredictable |
| Answer» D. lower/higher depending on weight of body | |
| 37. |
The tendency of a liquid surface to contract is due to the following property_________________? |
| A. | cohesion |
| B. | adhesion |
| C. | viscosity |
| D. | surface tension |
| E. | elasticity |
| Answer» E. elasticity | |
| 38. |
The surface tension of mercury at normal temperature compared to that of water is____________________? |
| A. | more |
| B. | less |
| C. | same |
| D. | more or less depending on size of glass tube |
| E. | none of the above |
| Answer» B. less | |
| 39. |
The stress-strain relation of the newtoneon fluid is________________? |
| A. | linear |
| B. | parabolic |
| C. | hyperbolic |
| D. | inverse type |
| E. | none of the above |
| Answer» B. parabolic | |
| 40. |
The speed of sound in a ideal gas varies directly as its ______________? |
| A. | pressure |
| B. | temperature |
| C. | density |
| D. | modulus of elasticity |
| E. | absolute temperature |
| Answer» F. | |
| 41. |
The specific weight of water is 1000 kg/m” _______________? |
| A. | at norma] pressure of 760 mm |
| B. | at 4°C temperature |
| C. | at mean sea level |
| D. | all the above |
| E. | none of the above. |
| Answer» E. none of the above. | |
| 42. |
The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________? |
| A. | increase |
| B. | remain unaffected |
| C. | may increase or decrease depending on the characteristics of liquid |
| D. | decrease |
| E. | unpredictable |
| Answer» E. unpredictable | |
| 43. |
The resultant upward pressure of the fluid on an immersed body is called_________________? |
| A. | upthrust |
| B. | buoyancy |
| C. | center of pressure |
| D. | all the above are correct |
| E. | none of above is correct |
| Answer» C. center of pressure | |
| 44. |
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called___________________? |
| A. | upthrust |
| B. | reaction |
| C. | buoyancy |
| D. | metacentre |
| E. | center of pressure |
| Answer» D. metacentre | |
| 45. |
The resultant upward pressure of the fluid on an immersed body is called__________________? |
| A. | upthrust |
| B. | buoyancy |
| C. | center of pressure |
| D. | all the above are correct |
| E. | none of above is correct |
| Answer» C. center of pressure | |
| 46. |
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________? |
| A. | Buoyancy |
| B. | Equilibrium of a floating body |
| C. | Archimedes’ principle |
| D. | Bernoulli’s theorem |
| E. | Metacentric principle |
| Answer» D. Bernoulli’s theorem | |
| 47. |
The resultant of all normal pressures acts_________________? |
| A. | at e.g. of body |
| B. | at center of pressure |
| C. | vertically upwards |
| D. | at metacentre |
| E. | vertically downwards |
| Answer» D. at metacentre | |
| 48. |
The region between the separation streamline and the boundary surface of the solid body is known as_________________? |
| A. | wake |
| B. | drag |
| C. | lift |
| D. | boundary layer |
| E. | aerofoil section |
| Answer» B. drag | |
| 49. |
The ratio of absolute viscosity to mass density is known as____________________? |
| A. | specific viscosity |
| B. | viscosity index |
| C. | kinematic viscosity |
| D. | coefficient of viscosity |
| E. | coefficient of compressibility |
| Answer» D. coefficient of viscosity | |
| 50. |
The property of fluid by virtue of which it offers resistance to shear is called____________________? |
| A. | surface tension |
| B. | adhesion |
| C. | cohesion |
| D. | viscosity |
| E. | all of the above |
| Answer» E. all of the above | |