unit 4

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Across
  1. 2. it is one type of spring.
  2. 6. spring in unloaded condition is known as
  3. 7. when friction angle is more than helix angle then torque required to raise the load is
  4. 8. it is axial distance between adjacent coil.
  5. 9. resultant shear stress is maximum in which edge of spring
  6. 10. it is one of the failure of spring
  7. 11. It is defined as ratio of mean diameter of coil to the diameter of wire.
  8. 12. if the efficiency of screw jack is less than 50% then it is called .
Down
  1. 1. it is modification of square thread
  2. 2. multiple thread are used to secure
  3. 3. if the efficiency of screw jack is more than 50% then it is called .
  4. 4. when friction angle is less than helix angle then torque required to raise the load is
  5. 5. it is defined as load required per unit deflection
  6. 8. it is one of the device used to convert rotary motion into translatory motion
  7. 11. spring length under fully compressed condition.