AP ECET Civil Engineering MCQs - Practice & Prepare for Exam Success

136. What is the primary function of storage headworks in a dam?

a) Irrigation b) Water storage c) Flood control d) Navigation

Correct Answer: b) Water storage

137. Which of the following is a characteristic of a rigid dam?

a) Made of earth materials b) Flexible structure c) Resists deformation under load d) Easily eroded

Correct Answer: c) Resists deformation under load

138. Which type of dam is most suitable for locations with high water pressure and steep slopes?

a) Arch Dam b) Gravity Dam c) Earth Dam d) Buttress Dam

Correct Answer: a) Arch Dam

139. What is the main purpose of a drainage gallery in gravity dams?

a) To allow for maintenance b) To carry off seepage water c) To monitor dam stability d) To store water

Correct Answer: b) To carry off seepage water

140. What does the elementary profile of a dam represent?

a) The cross-sectional shape of the dam structure b) The entire dam's layout c) The depth of the water reservoir d) The water flow direction

Correct Answer: a) The cross-sectional shape of the dam structure

141. Which is a common cause of failure in gravity dams?

a) Excessive wind pressure b) Insufficient foundation strength c) Excessive water seepage d) High sedimentation

Correct Answer: b) Insufficient foundation strength

142. Which of the following spillways is designed to release water under pressure?

a) Siphon Spillway b) Ogee Spillway c) Side Channel Spillway d) Chute Spillway

Correct Answer: a) Siphon Spillway

143. What is the primary function of an earth dam?

a) To resist water pressure b) To create water storage c) To provide drainage d) To prevent soil erosion

Correct Answer: b) To create water storage

144. Which of the following is a precaution to prevent the failure of earth dams?

a) Avoiding drainage galleries b) Proper sealing of phreatic lines c) Inadequate berms d) Using rigid concrete

Correct Answer: b) Proper sealing of phreatic lines

145. What is the significance of phreatic lines in earthen dams?

a) Indicating the depth of water in the reservoir b) The boundary between saturated and unsaturated soil c) Determining the dam's structural strength d) The position of drainage galleries

Correct Answer: b) The boundary between saturated and unsaturated soil

146. What type of canal cross-section is typically used for irrigation systems?

a) Parabolic b) Rectangular c) Trapezoidal d) Circular

Correct Answer: c) Trapezoidal

147. What is the balanced depth of cutting in canal construction?

a) The depth that maximizes flow velocity b) The depth at which the canal banks remain stable c) The depth needed to avoid erosion d) The depth that minimizes construction cost

Correct Answer: b) The depth at which the canal banks remain stable

148. What does Lacey’s Silt Theory primarily address?

a) The optimum flow velocity in canals b) The design of cross-drainage works c) The classification of different types of dams d) The relationship between silt and flow in rivers

Correct Answer: d) The relationship between silt and flow in rivers

149. Which of the following is NOT a type of cross-drainage work?

a) Aqueduct b) Siphon c) Bridge d) Culvert

Correct Answer: c) Bridge

150. What is the primary purpose of canal lining?

a) To prevent water loss through seepage b) To increase the canal's depth c) To add aesthetic value d) To reduce water velocity

Correct Answer: a) To prevent water loss through seepage

AP ECET CIVIL ENGINEERING Multiple Choice Questions (MCQs)

AP ECET Civil Engineering Multiple Choice Questions

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