42552. The rail section which is not used on Indian Broad Gauge tracks, is
42553. Ballast packed below and around the sleepers to transfer the load from sleepers to formation, generally consists of
42554. A wing rail is renewed or reconditioned if its maximum vertical wear is
42555. The place where a railway line and a road cross each other at the same level, is known as
42556. On Indian Railways standard length of rails for B.G. track, is
42557. Heel of crossing is the line joining
42558. A mono-block sleeper has
42559. Minimum length of a transition curve required for
42560. A triangle used for turning the face of locomotives, consists of
42561. Monnier, the inventor of R.C.C., suggested the introduction of reinforced cement concert sleepers for the railways in
42562. If D is the distance between the parallel sidings and α is the angle of crossing, the distance between the noses of crossing measured parallel to the gathering line, is
42563. Regional Indian railways use different types of sleepers according to their
42564. Minimum composite sleeper index for wooden sleepers used in cross-overs, is
42565. The spike commonly used to fix rails to wooden sleepers in Indian railways, is
42566. In Indian railways, plate laying is usually done by
42567. Stock rails are
42568. The grade compensation on B.G. tracks on Indian Railways, is
42569. Maximum cant deficiency prescribed on Indian Board Gauge Railways, is
42570. Gauge of a permanent way, is
42571. On Indian Railways standard length of rails for M.G. track, is
42572. For calculating the length of curve lead (C.L.), the correct formula is
42573. The standard dimensions of a wooden sleeper for M.G. railway track are
42574. The standard width of ballast for B.G.track in Indian Railways, is kept
42575. The angle between the gauge faces of the stock rail and tongue rail, is called
42576. Top surface of steel sleepers, is
42577. Wheels of a rolling stock are provided flanges on
42578. The arrangement of rails which permit trains to cross another track and also to divert to the other track, is called
42579. To achieve best performance, the type of switch preferred to, is
42580. Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by an arc of
42581. Pot sleepers are used if degree of the curve does not exceed
42582. For even distribution of load through ballast, load dispersal is assumed as
42583. The side of a rail diamond may be obtained by dividing the gauge of track by
42584. The main advantage of a cement concrete sleeper, is :
42585. Rail tops of a track are placed
42586. The gradient on which an additonal engine is required to negotiate the gradient, is called
42587. The hydraulic gradient line is:
42588. If D is the distance between the parallel sidings and β is the limiting angle of crossings, the distance between the noses of crossing measured parallel to the main track, is
42589. To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing remains at a lower level by
42590. Smitch diamond is provided if the angle of diamond is less than
42591. The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is
42592. The main advantage of a long rail over short one, is
42593. Widening of gauge is provided if degree of the curve, is
42594. Continuity of electric current across welded rail joints, is maintained by
42595. Sand may be used as ballast for
42596. Cast iron sleeper, is
42597. On Indian Railways, angle of crossing between gauge faces of Vee, is generally calculated by
42598. For an effective administration, Indian railway system has been divided into
42599. In a railway track, permissible gauge with tolerance under loaded condition, is
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