MCQOPTIONS
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MCQOPTIONS
This section includes 412 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
Disinfection of drinking water, is done to remove |
| A. | odour |
| B. | bacterias |
| C. | turbidity |
| D. | colour |
| Answer» C. turbidity | |
| 402. |
Aeration of water is done to remove |
| A. | odour |
| B. | colour |
| C. | bacterias |
| D. | hardness |
| Answer» B. colour | |
| 403. |
Corrosion of well pipes may not be reduced by |
| A. | reducing the draw down and the pumping rate |
| B. | reducing the flow velocity |
| C. | using thicker pipes |
| D. | using screens having larger area of openings |
| Answer» E. | |
| 404. |
The maximum depth of sedimentation tanks is limited to |
| A. | 3 m |
| B. | 4 m |
| C. | 5 m |
| D. | 6 m |
| Answer» E. | |
| 405. |
Asbestos pipes are |
| A. | light in weight and easy to transport |
| B. | highly resistant to corrosion |
| C. | very much smooth and hydraulically efficient |
| D. | all the above |
| Answer» E. | |
| 406. |
The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is |
| A. | 2 m |
| B. | 2.25 m |
| C. | 2.50 m |
| D. | 3.00 m |
| Answer» E. | |
| 407. |
Turbidity of raw water is a measure of |
| A. | Suspended solids |
| B. | Acidity of water |
| C. | B.O.D |
| D. | None of these |
| Answer» B. Acidity of water | |
| 408. |
If the chosen diameter of a pipe, is less than the economical diameter |
| A. | Cost of pipe will be less |
| B. | Head loss will be high |
| C. | Cost of pumping will be more than saving |
| D. | All the above |
| Answer» E. | |
| 409. |
In centrifugal pump installation, |
| A. | Pump is properly primed before starting |
| B. | The diameter of the pipe at inlet as well as at outlet, is kept smaller than the delivery pipe |
| C. | The motor may burn out if it is started with empty delivery pipe and with open gate valve |
| D. | All the above |
| Answer» E. | |
| 410. |
Sunlight |
| A. | helps growth of bacterias |
| B. | impedes growth of algae |
| C. | increases dissolved oxygen content |
| D. | reduces turbidity |
| Answer» C. increases dissolved oxygen content | |
| 411. |
As per IS : 1172-1963, water required per head per day for average domestic purposes, is |
| A. | 65 litres |
| B. | 85 litres |
| C. | 105 litres |
| D. | 135 litres |
| Answer» E. | |
| 412. |
The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level |
| A. | 1500 m |
| B. | 1505 m |
| C. | 1475 m |
| D. | 1485 m. |
| Answer» E. | |