Bailey Bridge Exam 2023 with complete solution questions and answers

Given a 210-foot TT bridge. What is the position of launching-nose links? 30x40ft How many personnel does the routine repair detail consists of? 6 How many personnel does the maintenance party usually consist of for important bridges subject to enemy action? entire assembly crew What is the required safety setback on an unprepared abutment if the bank height is 6 feet? (1.5) 6ft = 9ft Given a 140-foot TS bridge with grillage type 1 on both the near shore (NS) and far shore (FS). The far-bank seat is level with the near-bank seat. What is the position of the launching-nose links? 20x40ft How is the initial bridge length determined? adding the width of the gap, the safety setbacks, and the roller clearances. What is the purpose of construction rollers? Aid in inserting the launching-nose links and provide clearance between the links and the ground How many NCOs and enlisted members are on the transom crew to construct a TT Bailey bridge? 2 NCO, 28 enlisted What are the different types of stringers? plain, button How many unloading parties are needed for a 100-foot DS bridge? 5 How far should the extra set of plain rollers (called construction rollers) be placed temporarily behind the rocking rollers when determining longitudinal spacing? 12 1/2 ft What is the center-to-center roller spacing? 14.10ft x 7.5ft Where are all of the measurements taken from for the rollers during site layout? The center of the roller to the center of the next roller How many total personnel are needed to construct a TD Bailey bridge? (Manpower only) 98 (6 NCO, 92 enlisted) How many transoms per bay are required to support vehicles over class 70? 4 What is the assembly time for an 80-foot SS bridge during daylight with trained personnel? 2 hrs What is the longitudinal spacing between plain rollers? 25ft What is the maximum lift obtainable using launching-nose links? 94 1/2 inches At the outset of World War II, the US Army sought a versatile bridge that could span a variety of gaps and be quickly assembled by __________________. manpower alone How long is a steel truss section? 10ft Where would you insert the transoms as the panels of the third bay are being placed? in the second bay What is the short panel pin used for? pin the end posts of the outer middle trusses in a triple truss bridge What is the vertical lift when the launching-nose link is positioned at 10 feet and 40 feet? 67 (1/2) inches True or False: When jacking down the Single-Single bridge, the jacks must be operated on only one end of the bridge at a time. true What is the assembly time for a 120-foot DD during mission-oriented protection posture (MOPP) conditions? ... How is the class of the bridge determined? By the type of vehicles it must carry How many rocking rollers are needed for a 150-foot TS bridge on the near and far banks? 4 near, 2 far What is the safety setback on an unprepared abutment with a bank height 7 feet? 7 (1.5) = 10.5ft What component(s) is / are added to get the greatest strength in a Bailey bridge? third story Which two points are used to measure the gap between two unprepared abutments? toe of slope