The smallest diameter of an external or internal screw thread is known as

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1. The value of stress concentration factor depends upon
2. The centre to centre distance between two consecutive rivets in a row, is called
3. In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged…
4. The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.
5. In case of V-belt drive
6. When two helical springs of equal lengths are arranged to form a cluster spring, then
7. The gears are termed as medium velocity gears, if their peripheral velocity is
8. The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given…
9. Two shafts will have equal strength, if
10. The coefficient of friction in belt drive depends upon
11. Which of the following statement is correct?
12. For hardening alloy steels and high speed steels, they are heated to
13. Cap screws are
14. When two nonintersecting and non-coplanar shafts are connected by gears, the arrangement is known as
15. The stretching in a belt can be controlled by __________ the stress in the belt.
16. Tensile strength of a mild steel specimen can be roughly predicted from following hardness test
17. Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic…
18. In second type of levers,
19. The number of slots in a 25 mm castle nut is
20. According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter…
21. Ball bearing type screws are found in following application
22. The face of the tooth is the
23. Which of the following has threads at both ends?
24. The expression 0.175 - 0.841/T is the Lewis form factor for
25. A steel containing __________ 0.8% carbon is known as hypoeutectoid steel.
26. In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing
27. The design of the pressure vessel is based on
28. In a multiple V-belt drive, if one of the belts break, then
29. In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of…
30. For high speed engines, the cam follower should move with

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