41. Oil in journal bearing should be applied at the point where load is
42. Shear stress theory is applicable for
43. Maximum principal stress theory is applicable for
44. In the levers of __________ type, the mechanical advantage is less than one.
45. The surface finish factor for a mirror polished material is
46. The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are $${\varepsilon _{\text{c}}}$$ and $${\varepsilon _l}$$ respectively. The change in volume of the boiler cylinder per unit volume will be
47. A screw is said to be over hauling screw, if its efficiency is
48. A screw is said to be a self locking screw, if its efficiency is
49. The included angle for the British standard whitworth thread is
50. In V-belt drive, belt touches
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