MCQOPTIONS
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MCQOPTIONS
This section includes 109 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Science knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which one of the following represents 'A'? |
| A. | Total static head |
| B. | Total dynamic head |
| C. | Shut off head |
| D. | Minimum head |
| Answer» D. Minimum head | |
| 102. |
The rated discharge is represented by |
| A. | C |
| B. | D |
| C. | E |
| D. | F |
| Answer» C. E | |
| 103. |
The speed at which the centrifugal pump runs (in r.p.m) is |
| A. | 200 |
| B. | 300 |
| C. | 500 |
| D. | 1200 |
| Answer» D. 1200 | |
| 104. |
When the pumps are in series operation |
| A. | H = H1 + H2 |
| B. | 1/H = 1/H1 +1/ H2 |
| C. | Q = Q1 + Q2 |
| D. | 1/Q = 1/Q1 + 1/Q2 |
| Answer» B. 1/H = 1/H1 +1/ H2 | |
| 105. |
The specific speed of the pump is 8000. What is the type of pump? |
| A. | Reciprocating pump |
| B. | Centrifugal pump |
| C. | Mixed flow pump |
| D. | Axial flow pump |
| Answer» E. | |
| 106. |
The number of valves required in rotary pump is |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 107. |
Consider the following statements.1. Capacity of the pump2.Number of pump units3.Discharge conditionThe selection of a particular type of pump depends on which of the following? |
| A. | 1, 2, 3 |
| B. | 1 only |
| C. | 2, 3 |
| D. | 1, 3 |
| Answer» B. 1 only | |
| 108. |
State whether the following statement is true or false.If the diameter of pumping mains decreases ,then the total dynamic head will increase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 109. |
__________ is defined as the speed at which a pump will discharge a unit flow under a unit head at maximum efficiency. |
| A. | Specific speed |
| B. | Average speed |
| C. | Maximum speed |
| D. | Relative speed |
| Answer» B. Average speed | |