Bailey Bridge Exam Questions And Answers Verified 100% Correct

Bailey Bridge Exam Questions And Answers Verified 100% Correct What is the purpose of construction rollers? - ANSWER -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? - ANSWER -2 NCO, 28 enlisted What are the different types of stringers? - ANSWER -plain, button How many unloading parties are needed for a 100-foot DS bridge? - ANSWER -5 How far should the extra set of plain rollers (called construction rollers) be placed temporarily behind the rocking rollers when determining longitudinal spacing? - ANSWER -12 1/2 ft What is the center-to-center roller spacing? - ANSWER -14.10ft x 7.5ft Where are all of the measurements taken from for the rollers during site layout? - ANSWER -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) - ANSWER -98 (6 NCO, 92 enlisted) How many transoms per bay are required to support vehicles over class 70? - ANSWER -4 What is the assembly time for an 80-foot SS bridge during daylight with trained personnel? - ANSWER -2 hrs What is the longitudinal spacing between plain rollers? - ANSWER -25ft What is the maximum lift obtainable using launching-nose links? - ANSWER -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 __________________. - ANSWER -manpower alone How long is a steel truss section? - ANSWER -10ft Where would you insert the transoms as the panels of the third bay are being placed? - ANSWER -in the second bay What is the short panel pin used for? - ANSWER -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? - ANSWER -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. - ANSWER -true What is the assembly time for a 120-foot DD during mission-oriented protection posture (MOPP) conditions? - ANSWER -... How is the class of the bridge determined? - ANSWER -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? - ANSWER -4 near, 2 far What is the safety setback on an unprepared abutment with a bank height 7 feet? - ANSWER -7 (1.5) = 10.5ft What component(s) is / are added to get the greatest strength in a Bailey bridge? - ANSWER -third story Which two points are used to measure the gap between two unprepared abutments? - ANSWER -toe of slope Given a 210-foot TT bridge. What is the position of launching-nose links? - ANSWER -30x40ft How many personnel does the routine repair detail consists of? - ANSWER -6 How many personnel does the maintenance party usually consist of for important bridges subject to enemy action? - ANSWER -entire assembly crew What is the required safety setback on an unprepared abutment if the bank height is 6 feet? - ANSWER -(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? - ANSWER -20x40ft How is the initial bridge length determined? - ANSWER -adding the width of the gap, the safety setbacks, and the roller clearances.