MCQOPTIONS
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MCQOPTIONS
This section includes 182 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Why are booster pumps used? |
| A. | higher flow |
| B. | boost pressure |
| C. | chop solids |
| D. | maintain flow |
| Answer» C. chop solids | |
| 102. |
What are the pumps with one or more impellers called? |
| A. | ansi process pumps |
| B. | api process pumps |
| C. | centrifugal pumps |
| D. | positive displacement pumps |
| Answer» D. positive displacement pumps | |
| 103. |
A steam pump is a type of centrifugal pump. |
| A. | true |
| B. | false |
| Answer» C. | |
| 104. |
The two types of pumps behave very differently regarding pressure head and flow rate. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 105. |
What are the pumps that operate by alternately filling a cavity and then displacing a given volume of liquid called? |
| A. | centrifugal pump |
| B. | rotating pump |
| C. | positive displacement pump |
| D. | roto-dynamic pump |
| Answer» D. roto-dynamic pump | |
| 106. |
                 pumps produce a head and a flow by increasing the velocity of the liquid with the help of the rotating vane impeller. |
| A. | displacement pumps |
| B. | positive pumps |
| C. | centrifugal pumps |
| D. | rotating pumps |
| Answer» D. rotating pumps | |
| 107. |
Based on the type of casing, the centrifugal pump is divided into            types. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 108. |
The maximum efficiency of a centrifugal pump is |
| A. | 50% |
| B. | 60% |
| C. | 85% |
| D. | 100% |
| Answer» D. 100% | |
| 109. |
The speed at which the centrifugal pump runs (in r.p.m) is |
| A. | 200 |
| B. | 300 |
| C. | 500 |
| D. | 1200 |
| Answer» D. 1200 | |
| 110. |
The centrifugal pump has a              flow. |
| A. | variable |
| B. | uniform |
| C. | continuous |
| D. | constant |
| Answer» D. constant | |
| 111. |
Which of the following pump is classified based on the type of service? |
| A. | displacement pump |
| B. | centrifugal pump |
| C. | deep well pump |
| D. | electric driven pump |
| Answer» D. electric driven pump | |
| 112. |
Displacement pump is classified on the basis of |
| A. | mechanical operation of principle |
| B. | type of power |
| C. | type of service |
| D. | efficiency |
| Answer» B. type of power | |
| 113. |
Which of the following pump is based on the type of power? |
| A. | low lift pump |
| B. | high lift pump |
| C. | air lift pump |
| D. | steam engine pump |
| Answer» E. | |
| 114. |
Which grade of stainless steel is known as acid proof steel? |
| A. | aisi 304 |
| B. | aisi 316 |
| C. | sis 2333 |
| D. | sis 2359 |
| Answer» C. sis 2333 | |
| 115. |
4 LAYING, JOINTING AND TESTING OF PIPES - APPURTENANCES |
| A. | stainless steel |
| B. | copper |
| C. | ceramic |
| D. | plastic |
| Answer» D. plastic | |
| 116. |
Which among the following is not a loss that is developed in the pipe? |
| A. | entry |
| B. | exit |
| C. | connection between two pipes |
| D. | liquid velocity |
| Answer» E. | |
| 117. |
Valves with constant outlet pressure are used after which of the following machines? |
| A. | separator |
| B. | pasteurizer |
| C. | homogenizer |
| D. | filling machine |
| Answer» E. | |
| 118. |
The pipes will expand considerably when the product temperatures are high and during cleaning. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 119. |
Which of the following valves is used to maintain pressure in the system? |
| A. | pressure relief valve |
| B. | check valve |
| C. | manual control valve with variable flow plug |
| D. | pneumatic control valve with variable-flow plug |
| Answer» B. check valve | |
| 120. |
To prevent the product flow in the wrong direction which of the following valve is used? |
| A. | seat valve |
| B. | butterfly valve |
| C. | seat valve and butterfly valve |
| D. | check valve |
| Answer» E. | |
| 121. |
Which among the following is shut-off and change over valve? |
| A. | seat valve |
| B. | butterfly valve |
| C. | seat valve and butterfly valve |
| D. | bend |
| Answer» D. bend | |
| 122. |
Which formula is used to calculate head loss in valves? |
| A. | k2 (v/2 g) |
| B. | k (v/2 g) |
| C. | k (v2/2 g) d) k3 (v2/2 g) |
| Answer» D. | |
| 123. |
Calculate area of a pipe if, flow rate is 20 l/min and flow velocity is 5 cm/s. |
| A. | 66.66 cm2 |
| B. | 60 cm2 |
| C. | 62 cm2 |
| D. | 64 cm2 |
| Answer» B. 60 cm2 | |
| 124. |
Which among the following is not a permanent wielding connection? |
| A. | bends |
| B. | reducers |
| C. | sampling device |
| D. | tees |
| Answer» D. tees | |
| 125. |
Which of the following are installed in order to collect product samples hygienically for quality analysis? |
| A. | bends |
| B. | reducers |
| C. | sampling device |
| D. | tees |
| Answer» D. tees | |
| 126. |
Which material is used for pipes which conduct waste? |
| A. | stainless steel |
| B. | copper |
| C. | ceramic |
| D. | plastic |
| Answer» D. plastic | |
| 127. |
Which material is used for pipes which conduct water and air? |
| A. | stainless steel |
| B. | copper |
| C. | ceramic |
| D. | plastic |
| Answer» C. ceramic | |
| 128. |
Which material is used for pipes which are in contact with milk or product? |
| A. | stainless steel |
| B. | copper |
| C. | ceramic |
| D. | plastic |
| Answer» B. copper | |
| 129. |
What is the aim of pipes system in the dairy industry? |
| A. | facilitate product flow |
| B. | pasteurization |
| C. | fouling |
| D. | storage |
| Answer» B. pasteurization | |
| 130. |
Which section of CWA is responsible for monitoring of wetlands? |
| A. | section 402 |
| B. | section 403 |
| C. | section 404 |
| D. | section 405 |
| Answer» D. section 405 | |
| 131. |
Which CWA program controls water pollution by regulating point sources? |
| A. | spcc |
| B. | pcc |
| C. | npdes |
| D. | pda |
| Answer» D. pda | |
| 132. |
Which CWA program manages non-point source pollution? |
| A. | npsmp |
| B. | nsppp |
| C. | nsgop |
| D. | npsra |
| Answer» B. nsppp | |
| 133. |
Who is responsible for the clean-up of oil spill? |
| A. | hws |
| B. | aps |
| C. | oil pollution act |
| D. | sara |
| Answer» D. sara | |
| 134. |
                     requires EPA to establish regulations to protect human health from contaminants present in drinking water. |
| A. | sawd |
| B. | sdwa |
| C. | asaw |
| D. | swsa |
| Answer» C. asaw | |
| 135. |
Which section of CWA regulates land disposal of sludge? |
| A. | section 402 |
| B. | section 403 |
| C. | section 404 |
| D. | section 405 |
| Answer» E. | |
| 136. |
The maximum amount of pollution that each waterway could absorb is known as |
| A. | tmdl |
| B. | tsml |
| C. | tdsml |
| D. | tds |
| Answer» B. tsml | |
| 137. |
The discharge of regulated chemicals into surface waters is controlled by |
| A. | sara |
| B. | cercla |
| C. | npdes |
| D. | pdac |
| Answer» D. pdac | |
| 138. |
The Federal Water Pollution Control Act of 1948 became CWA. |
| A. | false |
| B. | true |
| Answer» C. | |
| 139. |
The Federal Water Pollution Control Act of 1948 was the first major U.S. law to address water pollution. |
| A. | 1945 |
| B. | 1946 |
| C. | 1947 |
| D. | 1948 |
| Answer» E. | |
| 140. |
The CWA reduced the amount of pollution from |
| A. | point sources |
| B. | non-point sources |
| C. | chemicals |
| D. | mining |
| Answer» B. non-point sources | |
| 141. |
The CWA made it unlawful to discharge any pollutant from a point source into navigable waters, unless a permit was obtained. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 142. |
Section                      of CWA regulates discharges of hazardous substances. |
| A. | 311(b)(2)(b) |
| B. | 311(b)(2)(a) |
| C. | 312(b)(2)(a) |
| D. | 311(b)(1)(a) |
| Answer» C. 312(b)(2)(a) | |
| 143. |
The Clean Water Act (CWA) regulates |
| A. | discharge of pollutants into the waters of the united states |
| B. | discharge of pollutants into the waters of the united kingdom |
| C. | discharge of pollutants into the air of the united states |
| D. | discharge of pollutants into the waters of india |
| Answer» B. discharge of pollutants into the waters of the united kingdom | |
| 144. |
Which of the following can act as a type of variation in water demand? |
| A. | monthly variation |
| B. | annual variation |
| C. | crop variation |
| D. | 10 year variation |
| Answer» B. annual variation | |
| 145. |
The amount of water required for 1 percent per day is determined as |
| A. | daily demand |
| B. | monthly demand |
| C. | annual demand |
| D. | per capita demand |
| Answer» E. | |
| 146. |
Which of the following does not act as a major factor that effects per capita demand? |
| A. | human activity |
| B. | industrial activities |
| C. | usage of water |
| D. | placement of pipe |
| Answer» C. usage of water | |
| 147. |
Which type of water is generally used in the treatment of water? |
| A. | chlorinated water |
| B. | treated water |
| C. | raw water |
| D. | sulphated water |
| Answer» D. sulphated water | |
| 148. |
Which of the following can be designated as an intake structure? |
| A. | culvert |
| B. | river |
| C. | dam |
| D. | reservoir |
| Answer» E. | |
| 149. |
The design period of storage reservoir can be given as |
| A. | 50 yr |
| B. | 20 yr |
| C. | 30 yr |
| D. | 10 yr |
| Answer» B. 20 yr | |
| 150. |
While considering the design period, which must be given more priority? |
| A. | area of land |
| B. | population |
| C. | usage of water |
| D. | arrangement of pipes |
| Answer» C. usage of water | |