313) Consider the following statements about concrete sleepers. 1.They improve the track modulus. 2.They have good scrap value. 3.They render transportation easy. 4. They maintain the gauge quite satisfactorily. Of these statements

314) What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track

315) Consider the following surveys. 1.Reconnaissance survey 2.Preliminary survey 3.Traffic survey 4.Location survey The correct sequence in which these surveys are conducted before the alignment of a track is finalised is

316) The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be

317) In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of