For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

A. 8

B. 6

C. 4

D. 10

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  1. Guest's theory of failure is applicable for following type of materials
  2. A crankshaft is a __________ shaft.
  3. Stress concentration factor is defined as the ratio of
  4. In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known…
  5. Cap screws are
  6. Set screws are
  7. A bolt of M 24 × 2 means that
  8. The shock resistance of steel is increased by adding
  9. In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock…
  10. The sleeve or muff coupling is designed as a
  11. The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are…
  12. A screw is said to be over hauling screw, if the
  13. Stress concentration in cyclic loading is more serious in
  14. Creep in belt is due to
  15. The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
  16. The coefficient of friction in belt drive depends upon
  17. A fast and loose pulley drive is used when
  18. Crowning on pulley helps
  19. The shock absorbing capacity of a bolt can be increased by
  20. The maximum bending stress in a curved beam having symmetrical section always occur at the
  21. A coupling used to connect two perfectly aligned shafts, is
  22. In worm gears, the pressure angle is ________ the angle between two inclined faces in axial plane.
  23. Plastic flow in ductile materials
  24. According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter…
  25. Gear box is used
  26. Shear stress theory is applicable for
  27. The stretching in a belt can be controlled by __________ the stress in the belt.
  28. Which of the following cotter joint will be used to connect strap end of a connecting rod?
  29. The square threads are usually found on
  30. When a hole of diameter d is punched in a metal of thickness 't', then the force required to punch a…