MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 131 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. |
What is the relation between the balance equation and the magnitude of input voltage? |
| A. | directly proportional |
| B. | independent |
| C. | inversely proportional |
| D. | depends on the null indicator |
| Answer» C. inversely proportional | |
| 2. |
Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding and a voltmeter is connected across rotor winding. For what value of θr, the voltmeter reads maximum? |
| A. | 90° |
| B. | 0° |
| C. | 45° |
| D. | 30° |
| Answer» C. 45° | |
| 3. |
The sensitivity of a rigid module, is |
| A. | 2.00 |
| B. | 1.50 |
| C. | 1.00 |
| D. | Zero |
| Answer» E. | |
| 4. |
If average particle size of the silt in millimetres is m, the Lacey’s silt factor f is proportional to |
| A. | m3 |
| B. | m1/2 |
| C. | m1/3 |
| D. | m2/3 |
| Answer» C. m1/3 | |
| 5. |
The top soil of a water logged field becomes more alkaline and infertile if its pH value is |
| A. | 5 |
| B. | 7 |
| C. | 9 |
| D. | 11 |
| Answer» E. | |
| 6. |
B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is |
| A. | D D/B) |
| B. | B B/D) |
| C. | D B) |
| D. | = (8.6 B/D) |
| Answer» E. | |
| 7. |
The ratio of the discharge over a trapezoidal crest to a rectangular crest of Sarda falls of identical parameters, is |
| A. | 1.084 |
| B. | 1.074 |
| C. | 1.064 |
| D. | 1.054 |
| Answer» B. 1.074 | |
| 8. |
The uplift pressure on the roof of an inverted syphon, is maximum when |
| A. | Drain in running dry |
| B. | Canal is running dry |
| C. | Canal is running with F.S.L. |
| D. | Drain is running with H.F.L. |
| Answer» E. | |
| 9. |
Fundamental momentum equation for a hydraulic jump, is |
| A. | D – D q/g) × (V – V |
| B. | ² – ² = (2q/g) × (V – V |
| C. | D – D q/g) × ( – ) |
| D. | D D q/g) × ( – ) |
| Answer» C. D – D q/g) × ( – ) | |
| 10. |
The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally |
| A. | 2 : 1 |
| B. | 3 : 1 |
| C. | 4 : 1 |
| D. | 5 : 1 |
| Answer» D. 5 : 1 | |
| 11. |
For standing crops in undulating sandy fields, the best method of irrigation, is |
| A. | Sprinkler irrigation |
| B. | Free flooding |
| C. | Check method |
| D. | Furrow method |
| Answer» B. Free flooding | |
| 12. |
In rigid module, the discharge |
| A. | Is independent of water levels in the distributary and water course |
| B. | Depends upon the water level in distributary |
| C. | Depends upon the water level in the water course |
| D. | Depends upon the water levels of both, i.e. distributary and water course |
| Answer» B. Depends upon the water level in distributary | |
| 13. |
For smooth entry of water in a canal, the angle between head regulator and water is generally kept |
| A. | 80° |
| B. | 90° |
| C. | 110° |
| D. | 120° |
| Answer» D. 120° | |
| 14. |
When a canal is carried over a natural drainage, the structure provided, is known as |
| A. | Syphon |
| B. | Aqueduct |
| C. | Super passage |
| D. | Syphon-aqueduct |
| Answer» C. Super passage | |
| 15. |
The width of a meander belt is the transverse distance between |
| A. | Apex point of one curve and apex point of the reserve curve |
| B. | Apex point and the crossing |
| C. | Two banks of meandering river |
| D. | None of these |
| Answer» B. Apex point and the crossing | |
| 16. |
A fall which maintains its depth, is |
| A. | A trapezoidal notch fall |
| B. | A low weir fall |
| C. | A rectangular notch fall |
| D. | All the above |
| Answer» E. | |
| 17. |
The downstream expansion head of a guide bank is extended to subtend an angle at the centre, equal to |
| A. | 30° |
| B. | 45° |
| C. | 60° |
| D. | 90° |
| Answer» C. 60° | |
| 18. |
Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less |
| A. | Populated area |
| B. | Alkaline area |
| C. | Forest area |
| D. | Fallow land |
| Answer» E. | |
| 19. |
A hydraulic jump is generally formed when a stream moving with |
| A. | A hyper-critical velocity meets a stream moving with a critical velocity |
| B. | A hyper-critical velocity meets a stream moving with a hyper-critical velocity |
| C. | A hyper-critical velocity meets a stream moving with a sub-critical velocity |
| D. | A sub-critical velocity meets a stream moving with a hyper-critical velocity |
| Answer» D. A sub-critical velocity meets a stream moving with a hyper-critical velocity | |
| 20. |
Lacy’s regime condition is obtained if |
| A. | Silt grade in the channel is variable |
| B. | Discharge in the channel is variable |
| C. | Silt charge in the channel is variable |
| D. | Channel flows in unlimited, incoherent alluvium of the same character as that transported material |
| Answer» E. | |
| 21. |
In a concrete canal the approximate permissible velocity of water should not exceed |
| A. | 0.5 m/sec |
| B. | 1 m/sec |
| C. | 1.5 m/sec |
| D. | 2 m/sec |
| Answer» E. | |
| 22. |
Disposal of extra excavated earth of canals, is utilised to provide a spoil bank on |
| A. | Left side |
| B. | Right side |
| C. | Both sides |
| D. | All the above |
| Answer» E. | |
| 23. |
For designing the venturi head, |
| A. | Width of the throat should not be less than one-third of the bed width of main canal |
| B. | Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal |
| C. | Minimum throat width should not be less than 60 cm |
| D. | All the above |
| Answer» E. | |
| 24. |
Meandering of a river generally occurs, in |
| A. | Rocky stage |
| B. | Delta stage |
| C. | Boulder stage |
| D. | Trough stage |
| Answer» E. | |
| 25. |
Retrogression of the bed level of a river downstream a weir, occurs due to |
| A. | Heavy impact of water |
| B. | Increase of the bed level |
| C. | Less percentage of silt |
| D. | Soft soil strata |
| Answer» D. Soft soil strata | |
| 26. |
The intensity of irrigation means |
| A. | Percentage of culturable commanded area to be irrigated annually |
| B. | Percentage of gross commanded area to be irrigated annually |
| C. | Percentage of the mean of culturable commanded area and the gross commanded area to be irrigated annually |
| D. | Total depth of water supplied by the number of waterings |
| Answer» B. Percentage of gross commanded area to be irrigated annually | |
| 27. |
If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is |
| A. | Q = 1.71 BD1/2 |
| B. | Q = 1.71 BD |
| C. | Q = 1.71 BD3/2 |
| D. | Q = 1/71 BD2/3 |
| Answer» D. Q = 1/71 BD2/3 | |
| 28. |
For cereal crops the most commonly adopted method of irrigation, is |
| A. | Free flowing method |
| B. | Check method |
| C. | Furrow method |
| D. | Sprinkling method |
| Answer» C. Furrow method | |
| 29. |
The optimum depth of kor watering for a rice crop, is |
| A. | 23.0 cm |
| B. | 19.0 cm |
| C. | 17.5 cm |
| D. | 13.5 cm |
| Answer» C. 17.5 cm | |
| 30. |
Attracting groynes are built |
| A. | Perpendicular to the bank |
| B. | Inclined down stream |
| C. | Inclined up stream |
| D. | None of these |
| Answer» C. Inclined up stream | |
| 31. |
A water-logged land is found suitable for cultivation due to |
| A. | Ease of tillage for preparation of the field for optimum condition of germination |
| B. | Absence of aeration of soil from root zone of the plant |
| C. | Regular supply of water to plants from the water table by capillary action |
| D. | None of these |
| Answer» E. | |
| 32. |
In north Indian Plains, optimum depth of kor watering for wheat, is |
| A. | 23.0 cm |
| B. | 19.0 cm |
| C. | 17.5 cm |
| D. | 13.5 cm |
| Answer» E. | |
| 33. |
Solution of Laplacian equation in three dimensions d² /dx² + d² /dy² + d² /dz² = 0 of water in a syphon, is done by |
| A. | Analytical method |
| B. | Khosla’s method |
| C. | Method of relaxation |
| D. | Unwin’s method |
| Answer» D. Unwin’s method | |
| 34. |
Lane’s weighted creep theory assumes |
| A. | Equal weightage to horizontal and vertical creeps |
| B. | Double weightage to horizontal creep and one weightage to vertical creep |
| C. | Triple weightage to horizontal creep and one weightage to vertical creep |
| D. | Triple weightage to vertical creep and one weightage to horizontal creep |
| Answer» E. | |
| 35. |
For diversion of flood water of rivers, the type of canal constructed, is |
| A. | Ridge canal |
| B. | Perennial canal |
| C. | Inundation canal |
| D. | Canal |
| Answer» D. Canal | |
| 36. |
According to Kennedy, the critical velocity (V0) in metres in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel). |
| A. | V0 = 0.84 mD0.64 |
| B. | V0 = 0.55 mD0.64 |
| C. | V0 = 0.84 mD0.54 |
| D. | V0 = 0.55 mD0.54 |
| Answer» C. V0 = 0.84 mD0.54 | |
| 37. |
A minimum of 90 cm free board is provided if the discharge in the canal is between |
| A. | 30 to 33 cumecs |
| B. | 30 to 60 cumecs |
| C. | Over 60 cumecs |
| D. | Over 100 cumecs |
| Answer» D. Over 100 cumecs | |
| 38. |
Useful soil moisture for plant growth, is |
| A. | Capillary water |
| B. | Gravity water |
| C. | Hygroscopic water |
| D. | Chemical water |
| Answer» B. Gravity water | |
| 39. |
Groynes are generally built |
| A. | Perpendicular to the bank |
| B. | Inclined up stream up to 30° |
| C. | Inclined downstream upto 30° |
| D. | All the above |
| Answer» C. Inclined downstream upto 30° | |
| 40. |
The useful moisture of soil, is equal to its |
| A. | Field capacity |
| B. | Saturation capacity |
| C. | Moisture content at permanent wilting point |
| D. | Difference between filed capacity and permanent wilting point within the root zone of plants |
| Answer» E. | |
| 41. |
The state of the soil when plants fail to extract sufficient water for their requirements, is |
| A. | Maximum saturated point |
| B. | Permanent wilting point |
| C. | Ultimate utilisation point |
| D. | None of these |
| Answer» E. | |
| 42. |
If straight sides of a triangular section of a lined canal with circular bottom of radius R, make an -section, is |
| A. | R |
| B. | R |
| C. | R2 |
| D. | R2 |
| Answer» E. | |
| 43. |
Effective precipitation for a crop may be defined as |
| A. | Total precipitation minus the loss due to evaporation |
| B. | Total precipitation minus the loss due to infiltration |
| C. | Total precipitation during the crop period |
| D. | Available water stored in soil within root zone of the crop |
| Answer» E. | |
| 44. |
To control the silt entry into a distributary at head regulator, King’s vanes are provided which are the walls |
| A. | Of R.C.C. or steel plate 8 cm thick |
| B. | th the depth of water in the main canal |
| C. | Spaced at interval of 1½ times their heights |
| D. | All the above |
| Answer» E. | |
| 45. |
Garnett’s diagrams are used for graphical solution of design equations of a canal by |
| A. | Lacey’s theory |
| B. | Kennedy’s theory |
| C. | Gibb’s theory |
| D. | Lindlay theory |
| Answer» C. Gibb’s theory | |
| 46. |
If D1 and D2 are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is |
| A. | (D – D 3/D D |
| B. | (D – D 3/2D D |
| C. | (D – D 3/3D D |
| D. | (D – D 3/4D D |
| Answer» E. | |
| 47. |
Bligh’s theory of seepage assumes |
| A. | Equal weightage to the horizontal and vertical creep |
| B. | More weightage to horizontal creep than vertical creep |
| C. | Less weightage to horizontal creep than vertical creep |
| D. | Loss of head follows the sine curve |
| Answer» B. More weightage to horizontal creep than vertical creep | |
| 48. |
The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept |
| A. | 0.20 m |
| B. | 1.20 m |
| C. | 2.20 m |
| D. | 3.20 m |
| Answer» C. 2.20 m | |
| 49. |
F.S.L. of a canal at its head with respect to parent channel is kept |
| A. | At the same level |
| B. | 15 cm lower |
| C. | 15 cm higher |
| D. | None of these |
| Answer» C. 15 cm higher | |
| 50. |
According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase |
| A. | Rate of flood wave |
| B. | Water surface elevation during floods |
| C. | Maximum discharge |
| D. | Surface slope of streams above the levied portion |
| Answer» E. | |