HomeQuestions & AnswersPage 7Questions & Answers Ask question Search Order By: ActiveClear Filter 0 Votes 1 Ans What are the differences in design between normal precast concrete pipes and pipes used for pipe jacking? 181 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans In the design of pipe jacking, what particular areas on pipe joints should engineers take care of? 166 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans What is the difference between air chamber and surge tank? 162 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans In the design of service reservoirs, how are reservoir floors designed to prevent leakage of water due to seasonal and shrinkage movements? 149 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans In the design of service reservoirs, horizontal reinforcement in walls of reservoirs is placed at the outer layer. Why? 156 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans In the design of watermain, the normal practice is to use ductile iron for pipe size less than 600mm and to use steel for pipe size more than 600mm. Why? 151 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans After the construction of watermain, prior to hydrostatic pressure test, swabbing is carried out. What is the purpose of swabbing? 175 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans Why are two gate valves required in normal practice to form a washout valve? 232 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans In the design of watermains, how to decide the usage of double air valves and single air valves? 183 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans Shall reversible moisture movement be taken into account in estimating movement for movement joints? 166 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans In selection of waterstop, shall engineers use plain dumb-bell type or center-bulb type? 163 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans What is the importance of critical steel ratio in calculating thermal reinforcement? 160 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans Is the material of formwork (timber or steel) helps to reduce thermal cracks in concreting operation? 149 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans What is the purpose of adding cooling pipes or even using cold water for concrete in concreting operation? 142 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans What is the crack pattern induced by hydration due to internal restraint? 149 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans When designing a water storage tank, should movement joints be installed? 149 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans What are the functions of slip joints in blockwork seawalls? 135 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans For installation of silt curtains, why is it not desirable to design the curtain to touch the seabed? 150 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans What are the considerations in selecting marine plants and land plants for installation of band drains? 127 viewsadmin Changed status to publish July 30, 2024 0 Votes 1 Ans In dredged reclamation, what are the considerations in selecting between trailer suction hopper dredgers and grab dredgers? 138 viewsadmin Changed status to publish July 30, 2024« Previous 1 2 … 5 6 7 8 9 … 12 13 Next »
