MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cast Iron pipes are being joined a _________ |
| A. | Flange joint |
| B. | Expansion joint |
| C. | Socket and spigot joint |
| D. | Simplex joint |
| Answer» D. Simplex joint | |
| 2. |
The water bearing strata is known as _________ |
| A. | An aquifer |
| B. | An aquiclude |
| C. | An aquifuge |
| D. | An aquitard |
| Answer» B. An aquiclude | |
| 3. |
In aqueduct, the nominal flow of velocity be ________ |
| A. | 0.5 m/s |
| B. | 0.9 m/s |
| C. | 0.6 m/s |
| D. | 0.8 m/s |
| Answer» C. 0.6 m/s | |
| 4. |
Leakage should be nil or minimum by following equation Q = ___________ × ND (P)^1/2. |
| A. | 3/3300 |
| B. | 2/3300 |
| C. | 4/3300 |
| D. | 3/2200 |
| Answer» C. 4/3300 | |
| 5. |
____________ is a network of food chain of different types of organisms. |
| A. | Food web |
| B. | Food network |
| C. | Food system |
| D. | Food cache |
| Answer» B. Food network | |
| 6. |
Pn = P[1+r/100]ⁿ is a formula used in ___________ |
| A. | Arithmetical increase method |
| B. | Incremental increase method |
| C. | Geometrical increase method |
| D. | Graphical extension method |
| Answer» D. Graphical extension method | |
| 7. |
What is the porosity percentage in gravel? |
| A. | 30 – 40 % |
| B. | 50 – 60 % |
| C. | 10 – 20 % |
| D. | 1 – 10 % |
| Answer» B. 50 – 60 % | |
| 8. |
The presence of hydrogen sulphide in water causes ________ |
| A. | Bad taste |
| B. | Acidity |
| C. | Basicity |
| D. | Softening |
| Answer» C. Basicity | |
| 9. |
Maximum daily demand = _____ × Average daily demand. |
| A. | 2.5 |
| B. | 3.5 |
| C. | 1.5 |
| D. | 4 |
| Answer» D. 4 | |
| 10. |
_______ is a saturated bed, which yields water. |
| A. | Aquitard |
| B. | Aquiclude |
| C. | Aquifer |
| D. | Aquifuge |
| Answer» D. Aquifuge | |
| 11. |
Red colour in water denotes? |
| A. | Mn |
| B. | Fe |
| C. | Nacl |
| D. | Ca |
| Answer» C. Nacl | |
| 12. |
The radial stress in cylinder walls is negligible. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 13. |
_______ possesses free surface open to the atmosphere. |
| A. | Aquitard |
| B. | Aquifuge |
| C. | Unconfined aquifer |
| D. | Aquiclude |
| Answer» D. Aquiclude | |
| 14. |
In total consumption, losses account about __________ |
| A. | 10 |
| B. | 15 |
| C. | 30 |
| D. | 25 |
| Answer» C. 30 | |
| 15. |
___________ is an example of a subsurface source. |
| A. | Streams |
| B. | Impounding reservoir |
| C. | Rivers |
| D. | Springs |
| Answer» E. | |
| 16. |
RCC pipes can be used up to a pressure of 3.0 kg/cm². |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 17. |
Isolated __________ decrease stability in the ecosystem. |
| A. | Food web |
| B. | Food chain |
| C. | Food pyramid |
| D. | Food numbers |
| Answer» C. Food pyramid | |
| 18. |
_______ are the horizontal tunnels laid along the banks of river. |
| A. | Infiltration wells |
| B. | infiltration reservoir |
| C. | infiltration galleries |
| D. | infiltration Springs |
| Answer» D. infiltration Springs | |
| 19. |
_______ is an example of a gravity conduit. |
| A. | C I pipes |
| B. | Flumes |
| C. | W I pipes |
| D. | Steel pipes |
| Answer» C. W I pipes | |
| 20. |
Carbonic acid is high in ______ springs. |
| A. | Gravity |
| B. | Surface |
| C. | Artesian |
| D. | Erotic |
| Answer» C. Artesian | |
| 21. |
_______ is used to magnify the sound for detecting leakage. |
| A. | Aquagaurd |
| B. | Otoscope |
| C. | Sonoscope |
| D. | Horoscope |
| Answer» D. Horoscope | |
| 22. |
Which of the following is not a cause of corrosion? |
| A. | The cathodic reaction |
| B. | Depolarization |
| C. | Reaction of metal ions |
| D. | Proper pipe material |
| Answer» E. | |
| 23. |
In __________ pipes, the discharging capacity reduces as the life period increases. |
| A. | Galvanised Iron |
| B. | Cast Iron |
| C. | PVC |
| D. | Steel |
| Answer» B. Cast Iron | |
| 24. |
Torsional modulus is ___________ to torsional strength. |
| A. | Inversely proportional |
| B. | Directly proportional |
| C. | Equal |
| D. | Unequal |
| Answer» C. Equal | |
| 25. |
Water works are generally design with design period of __________ |
| A. | 25 years |
| B. | 30 years |
| C. | 45 years |
| D. | 50 years |
| Answer» C. 45 years | |
| 26. |
Which of the following is not a leakage detection method? |
| A. | Direct observation |
| B. | By plotting HGL |
| C. | Pipe corrosion |
| D. | Sounding rod |
| Answer» D. Sounding rod | |
| 27. |
Which of the following well is also known as flowing well? |
| A. | Gravity well |
| B. | Artesian well |
| C. | Drilled wells |
| D. | Driven wells |
| Answer» C. Drilled wells | |
| 28. |
The tensile test is carried on ________ material. |
| A. | Ductile |
| B. | Brittle |
| C. | Malleable |
| D. | Plastic |
| Answer» B. Brittle | |
| 29. |
Which of the following is not a short term estimate in population forecast? |
| A. | Graphical comparison |
| B. | Geometrical increase method |
| C. | Arithmetical increase method |
| D. | Graphical extension method |
| Answer» B. Geometrical increase method | |
| 30. |
__________ stress does not exceed the permissible tensile stress for the shell material. |
| A. | Axial |
| B. | Longitudinal |
| C. | Hoop |
| D. | Lateral |
| Answer» D. Lateral | |
| 31. |
Strength of joint = efficiency × __________ |
| A. | Strength of section |
| B. | Depth of plate |
| C. | Length of plate |
| D. | Strength of plate |
| Answer» E. | |
| 32. |
The colour of water is expressed in terms of ________ |
| A. | pH value |
| B. | Silica scale |
| C. | Platinum cobalt scale |
| D. | Ppm |
| Answer» D. Ppm | |
| 33. |
The compressive strength of brittle materials is _________ its tensile strength. |
| A. | Equal to |
| B. | Less than |
| C. | Greater than |
| D. | As same as |
| Answer» D. As same as | |
| 34. |
The joints in king post are of ________ |
| A. | Butt |
| B. | Welded |
| C. | Mortice and tenon |
| D. | Lap |
| Answer» D. Lap | |
| 35. |
Wholesome water is also known as _________ |
| A. | Palatable water |
| B. | Quality water |
| C. | Lethal water |
| D. | Toxic water |
| Answer» B. Quality water | |
| 36. |
_______ is integrated or summation hydrograph. |
| A. | Mass curve |
| B. | Mild curve |
| C. | Ryve’s curve |
| D. | Dicken’s curve |
| Answer» B. Mild curve | |
| 37. |
The water is considered soft when the ppm is between _______ |
| A. | 0 – 50 |
| B. | 50 – 100 |
| C. | 100 – 150 |
| D. | Over 250 |
| Answer» B. 50 – 100 | |
| 38. |
The mortise and tenon are provided in __________ joint. |
| A. | Concrete |
| B. | Spigot |
| C. | A C pipe |
| D. | Flanged |
| Answer» B. Spigot | |
| 39. |
The economical spacing of roof trusses works out to be _________ span. |
| A. | 1/2 to 1/5 span |
| B. | 1/3 to 1/5 span |
| C. | 1/2 to 1/3 span |
| D. | 1/4 to 1/6 span |
| Answer» C. 1/2 to 1/3 span | |
| 40. |
Calculate the longitudinal strain, if internal pressure is 1.2 N/mm² and 1 m in diameter along with 10 mm thickness. Take E = 2 × 10⁵ N/mm² and Poisson’s ratio as 0.3. |
| A. | 0.00006 |
| B. | 0.0006 |
| C. | 0.006 |
| D. | 0.06 |
| Answer» B. 0.0006 | |
| 41. |
The difference in levels of water in a well before and after pumping is called ________ |
| A. | Cone of depression |
| B. | Yield |
| C. | Draw down |
| D. | Water table |
| Answer» D. Water table | |
| 42. |
_____________ coincides with the water surface in a canal or open channel. |
| A. | HGL |
| B. | TEL |
| C. | TWL |
| D. | HTL |
| Answer» B. TEL | |
| 43. |
_______ is a roof beam supported by roof truss. |
| A. | Ridge line |
| B. | Eve |
| C. | Principal rafter |
| D. | Purlins |
| Answer» E. | |
| 44. |
Which of the following roof are used on small sheds and veranda opening? |
| A. | Couple roof |
| B. | Collar roof |
| C. | Pent roof |
| D. | Purlin roof |
| Answer» D. Purlin roof | |
| 45. |
The bottom chord member of truss is known as ___________ |
| A. | Main tie |
| B. | Principal rafters |
| C. | Common rafters |
| D. | Purlins |
| Answer» B. Principal rafters | |
| 46. |
To determine hoop stress, efficiency of _________ is to be considered. |
| A. | Construction joint |
| B. | Transverse joint |
| C. | Longitudinal joint |
| D. | Rivet joint |
| Answer» D. Rivet joint | |
| 47. |
Energy flows through the ecosystem in the form of __________ bonds. |
| A. | C-C |
| B. | N-N |
| C. | O-O |
| D. | F-F |
| Answer» B. N-N | |
| 48. |
The ductility of a material is __________ to the increase in percentage reduction in an area. |
| A. | inversely proportional |
| B. | directly proportional |
| C. | equal |
| D. | uniform |
| Answer» B. directly proportional | |
| 49. |
Polyhydroxy compounds are ________ |
| A. | Accelerating admixtures |
| B. | Retarding admixtures |
| C. | Water reducing admixtures |
| D. | Air entraining admixtures |
| Answer» D. Air entraining admixtures | |
| 50. |
The process of forming thick gelatinous precipitates is known as ___________ |
| A. | Sedimentation |
| B. | Flocculation |
| C. | Coagulation |
| D. | Filtration |
| Answer» C. Coagulation | |