Railway Engineering
Number of dog spikes normally used per rail seat on curved track is

one on either side
two outside and two inside
one outside and two inside
two outside and one inside

ANSWER DOWNLOAD EXAMIANS APP

Railway Engineering
Lead of crossing is the distance from the

heel of the switch to the toe of the switch
toe of the switch to the actual nose of crossing
toe of the switch to the theoretical nose of crossing
heel of the switch to the theoretical nose of the crossing

ANSWER DOWNLOAD EXAMIANS APP