20 Degree

35 Degree

45 Degree

60 Degree

circular pitch

diametral pitch

module

none of these

tolerance grade for the hole is 6 and for the shaft is 5

tolerance grade for the shaft is 6 and for the hole is 5

tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7

tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7

long column

short column

short and long column

very long column

directly proportional to (shaft diameter)²

inversely proportional to (shaft diameter)²

directly proportional to (shaft diameter)⁴

inversely proportional to (shaft diameter)⁴