Home

A screw is said to be over hauling screw, if the

A. Friction angle is less than helix angle

B. Friction angle is more than helix angle

C. Friction angle is equal to helix angle

D. Efficiency of screw is 100%

Correct Answer : A.


Download Objective type questions of Machine Design PDF

Visit our PDF store

Get all objective type questions of Machine Design MCQ

Also checkout these categories

Workshop Technology MCQ Average MCQ Plants Physiology MCQ Investment MCQ Line Graph MCQ Theory of Machines MCQ Rearrangement Set 13 MCQ Machine Input Mi-set 2 MCQ Data Sufficiency MCQ Multimedia and Graphics MCQ Classifications of Animal Kindom MCQ Internal Combustion MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..
You can do it
  1. Factor of safety for fatigue loading is the ratio of
  2. According to Indian standard specifications, 100 H6/g5 means that
  3. A bench vice has following type of threads
  4. In most machine members, the damping capacity of the material should be
  5. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and…
  6. If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making…
  7. The shock absorbing capacity of a bolt can be increased by
  8. The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G =…
  9. A localised compressive stress at the area of contact between two members is known as
  10. The yield point in static loading is __________ as compared to fatigue loading.
  11. Which of the following statement is correct?
  12. The application of third type levers is found in
  13. For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be
  14. In a transverse fillet welded joint, the size of weld is __________ the throat of weld.
  15. The cam follower extensively used in aircraft engines is
  16. A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved…
  17. The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover…
  18. In block brakes, the ratio of shoe width to wheel diameter is taken between
  19. In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole…
  20. The maximum normal stress theory is used for
  21. In a partial journal bearing, the angle of contact of the bearing with the journal is
  22. The maximum efficiency of a square threaded screw is
  23. A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are…
  24. The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal…
  25. Rankine Gordon formula for buckling is valid for
  26. An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock…
  27. A bolt of uniform strength can be developed by
  28. The angle of twist of shaft is
  29. The spring mostly used in gramophones is
  30. When the belt is transmitting maximum power,