<Tr> <Td> Gear Ratio </Td> <Td> 72: 20 </Td> </Tr> <Tr> <Td> Axle load </Td> <Td> 20.5 t (20.2 long tons; 22.6 short tons) </Td> </Tr> <Tr> <Td> Wheel diameter </Td> <Td> 1,092 mm (43 in) new, 1,016 mm (40 in) worn </Td> </Tr> <Tr> <Td> Wheelbase </Td> <Td> 15,700 mm (51 ft 6 ⁄ in) </Td> </Tr>

What is the full form of wap in indian railways