MCQOPTIONS
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MCQOPTIONS
This section includes 134 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Phytometer method is generally used for the measurement of |
| A. | interception |
| B. | evaporation |
| C. | transpiration |
| D. | none of these. |
| Answer» D. none of these. | |
| 2. |
For efficient working of a control meter, its throat length is approximately kept |
| A. | equal to the critical depth |
| B. | twice the critical depth |
| C. | three times the critical depth |
| D. | four times the critical depth. |
| Answer» D. four times the critical depth. | |
| 3. |
The polythene bottles are used for collecting rain water and. their capacities is |
| A. | 2 litres |
| B. | 4 litres |
| C. | 10 litres |
| D. | all the above. |
| Answer» E. | |
| 4. |
The Dupuit formula is based on |
| A. | one observation well |
| B. | two observation wells |
| C. | three observation wells |
| D. | no observation well |
| Answer» E. | |
| 5. |
A river is said to be of uniform section if in its section |
| A. | a segment of a circle can be fitted |
| B. | a parabolic section can be fitted |
| C. | a rectangular section can be fitted |
| D. | all the above. |
| Answer» E. | |
| 6. |
If the slope of a line for infiltration capacity curve is 1/1.737 , the value of constant k in Horton's equation of infiltration capacity curve, is |
| A. | 2.0 |
| B. | 2.5 |
| C. | 3.0 |
| D. | 4.0. |
| Answer» E. | |
| 7. |
If y is the depth of water at any section, then the mean velocity is |
| A. | 0.1 y |
| B. | 0.2 y |
| C. | 0.3 y |
| D. | 0.6 y. |
| Answer» E. | |
| 8. |
Consumptive use of a crop during growth, is the amount of |
| A. | interception |
| B. | transpiration |
| C. | evaporation |
| D. | all the above. |
| Answer» E. | |
| 9. |
If the dew point is greater than 0°C |
| A. | dew will be formed |
| B. | frost will be formed |
| C. | vapours will be formed |
| D. | neither of these. |
| Answer» B. frost will be formed | |
| 10. |
Humidity refers to |
| A. | temperature of the air |
| B. | pressure of the air |
| C. | moisture content of the air |
| D. | volume of the air. |
| Answer» D. volume of the air. | |
| 11. |
If h is the loss due to friction in a pipe. Total losses in strainer and bends may be taken as |
| A. | 0.01 h |
| B. | 0.45 h |
| C. | 0.20 h |
| D. | 0.25 h |
| Answer» E. | |
| 12. |
If the axial length of a drainage basin is 35 km and its form factor is 0.2, the total area of the basin is |
| A. | 205 sq. km. |
| B. | 215 sq. km. |
| C. | 225 sq. km. |
| D. | 245 sq. km. |
| Answer» E. | |
| 13. |
Relative humidity is the ratio of actual vapour pressure to the saturation vapour pressure |
| A. | at the same temperature |
| B. | at the same pressure |
| C. | in the same volume |
| D. | in the atmosphere. |
| Answer» B. at the same pressure | |
| 14. |
Precipitation includes |
| A. | rain |
| B. | snow |
| C. | hail |
| D. | all of these. |
| Answer» E. | |
| 15. |
The infiltration capacity during rain storm, is considerably reduced due to |
| A. | surface detention |
| B. | soil moisture |
| C. | compaction due to rain |
| D. | all the above. |
| Answer» E. | |
| 16. |
The respective storm totals at three surrounding stations A, B and C are 110, 90 and 70 mm. If the normal annual precipitation amounts at stations X, A, B and C are respectively 1000, 1100, 1200 and 1250 mm, the estimated storm precipitation at X is |
| A. | 75 mm |
| B. | 77 mm |
| C. | 79 mm |
| D. | 81 mm. |
| Answer» C. 79 mm | |
| 17. |
A volume of air at constant barometric pressure may be brought to dew point by |
| A. | increasing the temperature |
| B. | decreasing the temperature |
| C. | neither (a) nor (b) |
| D. | both (a) and (b). |
| Answer» C. neither (a) nor (b) | |
| 18. |
Water is useful for |
| A. | running hydroelectric turbines |
| B. | floating the boats and ships |
| C. | providing steam for running locomotives |
| D. | all the above. |
| Answer» E. | |
| 19. |
The specifications of most commonly used standard gauges in India, are |
| A. | 200 sq. cm collector and 4 litres bottle |
| B. | 100 sq. cm collector and 2 litres bottle |
| C. | 200 sq. cm collector and 10 litres bottle |
| D. | 100 sq. cm collector and 4 litres bottle. |
| Answer» B. 100 sq. cm collector and 2 litres bottle | |
| 20. |
Time of overland flow, is affected by |
| A. | slope of the basin |
| B. | type of the ground surface |
| C. | length of the flow path |
| D. | all the above. |
| Answer» E. | |
| 21. |
For predicting floods of a given frequency, the best reliable method is |
| A. | Unit hydrograph method |
| B. | Gumbel's analytical method |
| C. | California method |
| D. | None of these. |
| Answer» B. Gumbel's analytical method | |
| 22. |
For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732 B) (0.44 - 0.007375 V) (pe - pa), the equation is given by |
| A. | Roohwer's, formula in M.K.S. |
| B. | Roohwer's formula in F.P.S. |
| C. | Dalton's formula in F.P.S. |
| D. | Dalton's formula in M.K.S. |
| Answer» B. Roohwer's formula in F.P.S. | |
| 23. |
Levees and flood walls, |
| A. | are designed to carry unbalanced water load |
| B. | are designed with adequate dimensions |
| C. | are means of controlling floods |
| D. | are never provided free-boards. |
| Answer» E. | |
| 24. |
The rate of evaporation from reservoirs may be determined by |
| A. | pan-measurement method |
| B. | empirical formulae |
| C. | storage equation method |
| D. | all the above. |
| Answer» E. | |
| 25. |
The form factor of a drainage basin is obtained by dividing |
| A. | area of the basin by the axial length |
| B. | average width of the basin by the axial basin |
| C. | area of the basin by the square of the axial length |
| D. | both (b) and (c). |
| Answer» E. | |
| 26. |
The time required by rain water to reach the outlet of drainage basin, is generally called |
| A. | time of concentration |
| B. | time of overland flow |
| C. | concentration time of overland flow |
| D. | duration of the rainfall |
| Answer» B. time of overland flow | |
| 27. |
If the velocities of flow of a stream of 10 m depth recorded by a current meter at depths of 2 m and 8 m are 0.7 m and 0.3 m respectively, the discharge per unit width of the stream in cubic metres, is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» E. | |
| 28. |
The surface run off is due to |
| A. | initial rain |
| B. | residual rain |
| C. | rain in the net supply interval |
| D. | all the above. |
| Answer» D. all the above. | |
| 29. |
The best instrument for measuring the velocity of a stream flow is |
| A. | pitot tube |
| B. | Price's current meter |
| C. | surface float |
| D. | sub-surface float. |
| Answer» C. surface float | |
| 30. |
The rainfall cycle period in India is taken as |
| A. | 15 years |
| B. | 20 years |
| C. | 25 years |
| D. | 35 years. |
| Answer» E. | |
| 31. |
Knowledge of hydrology is necessary for civil engineers for |
| A. | designing and construction of irrigation structures |
| B. | designing and construction of bridges and culverts |
| C. | flood control works |
| D. | all the above. |
| Answer» E. | |
| 32. |
Prof. Running suggested the method for extending the discharge curve. It is known as |
| A. | Logarithmic method |
| B. | √y method |
| C. | General method |
| D. | None of these. |
| Answer» B. √y method | |
| 33. |
Symon's rain gauge is |
| A. | tipping-bucket gauge |
| B. | weighing type gauge |
| C. | float recording gauge |
| D. | non-recording gauge. |
| Answer» E. | |
| 34. |
The earthen embankments constructed parallel to the river banks at some suitable distance for flood control, are known as |
| A. | floods walls |
| B. | river walls |
| C. | levees |
| D. | both (c) and (d). |
| Answer» E. | |
| 35. |
Indian Meteorological department uses the standard gauges whose collectors have apertures of |
| A. | 50 or 100 sq. cm area |
| B. | 100 or 150 sq. cm area |
| C. | 100 or 200 sq. cm area |
| D. | 250 or 500 sq. cm area. |
| Answer» D. 250 or 500 sq. cm area. | |
| 36. |
Pressure exerted by fully saturated air, is known |
| A. | partial pressure |
| B. | vapour pressure |
| C. | saturation vapour pressure |
| D. | (c) and (d) of the above. |
| Answer» E. | |
| 37. |
Absolute humidity in air |
| A. | decreases at higher altitudes |
| B. | increases at higher altitudes |
| C. | remains constant at all altitudes |
| D. | none of these. |
| Answer» B. increases at higher altitudes | |
| 38. |
Precipitation caused due to striking of air masses with a topographical feature, is called |
| A. | orographic precipitation |
| B. | convective precipitation |
| C. | cyclonic precipitation |
| D. | none of these. |
| Answer» B. convective precipitation | |
| 39. |
A hydraulic jump in a control meter will be formed above the control, if its original |
| A. | depth is more than critical depth |
| B. | depth is less than the critical depth |
| C. | depth is equal to critical depth |
| D. | none of these. |
| Answer» C. depth is equal to critical depth | |
| 40. |
Rain simulators are used for the determination of |
| A. | evaporation |
| B. | precipitation |
| C. | run off |
| D. | infiltration capacity |
| Answer» E. | |
| 41. |
Precipitation caused due to upward movement of warmer air as compared to surrounding air, is called |
| A. | cyclonic precipitation |
| B. | convective precipitation |
| C. | orographic precipitation |
| D. | none of these. |
| Answer» C. orographic precipitation | |
| 42. |
The average mean velocity of a stream having depth h, may be obtained by taking the average of the readings of a current meter at a depth of |
| A. | 0.1 h and 0.9 h |
| B. | 0.2 h and 0.8 h |
| C. | 0.3 h and 0.7 h |
| D. | 0.4 h and 0.6 h. |
| Answer» C. 0.3 h and 0.7 h | |
| 43. |
The equation P - Q = Te φindex for determining the infiltration capacity, was suggested by |
| A. | Horton |
| B. | Horner |
| C. | Llyod |
| D. | Bernard. |
| Answer» B. Horner | |
| 44. |
Isopiastic lines are the contours |
| A. | drawn to represent water table |
| B. | drawn to represent piezometric heads |
| C. | drawn to piezometric surface |
| D. | none of these. |
| Answer» D. none of these. | |
| 45. |
Pick up correct statement from the following : |
| A. | The air from outer portion of cyclones gets lifted for causing precipitation |
| B. | The air from central portion of cyclone's gets lifted for causing precipitation |
| C. | The air from entire surface of the cyclones gets lifted for causing precipitation |
| D. | None of those. |
| Answer» C. The air from entire surface of the cyclones gets lifted for causing precipitation | |
| 46. |
Dicken's formula for high flood estimate, is useful only for the catchments in |
| A. | Southern India |
| B. | Northern India |
| C. | Eastern India |
| D. | Western India. |
| Answer» C. Eastern India | |
| 47. |
Pettis formula Q = C (P.B)^5/4 cumecs, is based upon |
| A. | rainfall and drainage area |
| B. | run off and drainage area |
| C. | drainage area and its shape |
| D. | drainage area. |
| Answer» B. run off and drainage area | |
| 48. |
In nature water may occur as |
| A. | liquid |
| B. | solid |
| C. | vapours |
| D. | all the above. |
| Answer» E. | |
| 49. |
Discharge curve may be extended by logarithmic method if |
| A. | cross section of river is uniform |
| B. | river is broader and shallower |
| C. | river is of any type |
| D. | none of these. |
| Answer» B. river is broader and shallower | |
| 50. |
The best unit period of a unit hydrograph, is equal to basin lag divided by |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |