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Deep groove ball bearings are used for

A. Heavy thrust load only

B. Small angular displacement of shafts

C. Radial load at high speed

D. Combined thrust and radial loads at high speed

Correct Answer : D.


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  1. The creep in the belt is due to
  2. For a square key made of mild steel, the shear and crushing strength are related as
  3. Rankine's theory is used for
  4. A machine part subjected to __________ is called a strut.
  5. Which of the following key is preferred for the condition when a large amount of impact type torque…
  6. A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as
  7. Antifriction bearings are
  8. In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole…
  9. Which is correct statement? Stress concentration in cyclic loading is
  10. When an open coiled helical compression spring is subjected to an axial compressive load, the maximum…
  11. Deep groove ball bearings are used for
  12. A bolt of M 24 × 2 means that
  13. The draw of cotter need not exceed
  14. The power transmitted by the belt drive can be increased by
  15. Which one of the following loading is considered for the design of axles?
  16. The shear stress at a point in a shaft subjected to a torque is
  17. The arms of the pulleys for flat belt drive have
  18. Rankine's theory of failure is applicable for following type of materials
  19. An imaginary circle which by pure rolling action gives the same motion as the actual gear, is called
  20. When the belt is transmitting maximum power, the belt speed should be
  21. When two nonintersecting and non-coplanar shafts are connected by gears, the arrangement is known as
  22. Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating…
  23. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking…
  24. In the levers of first type, the mechanical advantage is __________ one.
  25. In designing a connecting rod, it is considered like __________ for buckling about X-axis.
  26. Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number…
  27. A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal…
  28. The taper on key is given on
  29. When spring index increases, the value of Wahl's stress factor
  30. A single strap butt joint is always in __________ shear.