Pick out the wrong statement.

A. For a pressure vessel to be classified as 'thin vessel', the ratio of wall thickness to mean radius is less than 0.1

B. For calculating forces and efficiency of riveted joint, either rivet diameter or rivet hole diameter is used in case of pressure vessel and in structural work

C. Longitudinal joint is normally made butt joint to maintain the circularity of the vessel

D. Maximum diameter of the opening provided in a pressure vessel, which does not require any compensation is 200 mm

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

You can do it
  1. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
  2. Which one of the following is incombustible?
  3. Pick out the wrong statement.
  4. Insulation of liquid surface can be achieved by __________ on top of its surface.
  5. __________ is used as a material of construction for the blade of power saw.
  6. Hot extrusion process is not used for making
  7. At the point of boundary layer separation in fluid flow, the
  8. Nickel and __________ are the alloying element added in steel to increase its toughness.
  9. Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
  10. The rolling process cannot be used to produce
  11. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
  12. Basic open hearth furnace (BOF) is not used for producing __________ steel.
  13. Methyl orange indicator turns
  14. Which one can be directly solidified from gaseous state without entering into liquid state?
  15. In extrusion of metals, which of the following statement is true?
  16. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
  17. Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?
  18. Addition of __________ to steel does not help in improving its machinability.
  19. __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
  20. The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used.…
  21. Auto collimator is used to check
  22. __________ test is the appropriate test to determine whether a material is ductile or brittle.
  23. Fibrous fracture is normally encountered in the __________ materials.
  24. Basicity of the slag in Indian blast furnace is in the range of
  25. Dew point temperature always gives an indication of the __________ of the moist air.
  26. In connection with corrosion of metals, passivation is the process that
  27. Natural water contains approximately __________ percent of heavy water.
  28. The co-ordination number in simple cubic structure is
  29. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in…
  30. The normal stress is the same in all directions at a point in a fluid, only when the fluid