The included angle between the sides of V-belt is

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1. The groove angle of pulleys for V-belt is
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4. The crest diameter of a screw thread is same as
5. The constant factor in case of R10 series of preferred numbers is
6. Jam nut is a locking device in which
7. The ball bearings are provided with a cage
8. If the centre distance of the mating gears having involute teeth is varied within limits, the velocity…
9. A screw is said to be over hauling screw, if its efficiency is
10. The connecting rod bolts are tightened up with initial tension greater than the external load so that
11. In block brakes, the ratio of shoe width to wheel diameter is taken between
12. In designing a connecting rod, it is considered like __________ for buckling about Y-axis.
13. In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that
14. If the centre distance of the mating gears having involute teeth is increased, then the pressure angle
15. Which one of the following is a positive drive?
16. The power transmitted by the belt drive can be increased by
17. The ratio of pitch circle diameter in millimetres to the number of teeth, is called
18. When two springs are in series (having stiffness K), the equivalent stiffness will be
19. When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at…
20. I.S. specifies following total number of grades of tolerances
21. Fabric belts are used in industrial applications because
22. According to maximum shear stress theory, the maximum shear stress in the shaft is
23. When the speed of belt increases,
24. The width of the pulley should be __________ width of the belt.
25. According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet…
26. In unilateral system of tolerance, the tolerance is allowed on
27. The bearings of heavy series have capacity ________ over the medium series.
28. If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting…
29. A bolt of M 24 × 2 means that
30. Rankine Gordon formula for buckling is valid for

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