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The hard coke is obtained when carbonisation of coal is carried out at

A. 300° to 500°C

B. 500° to 700°C

C. 700° to 900°C

D. 900° to 1100°C

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

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  1. For the beam shown in the below figure, the shear force diagram between A and B is
  2. When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear…
  3. For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the…
  4. Which of the following statement is wrong?
  5. The value of one bar (in S. I. units) is equal to
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  7. If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60%…
  8. Which of the following process can be made reversible with the help of a regenerator?
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  10. If a part is constrained to move and heated, it will develop
  11. When a body is subjected to biaxial stress i.e. direct stresses (σx) and (σy) in two mutually…
  12. The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per…
  13. The mass of excess air supplied is equal to
  14. Within elastic limit, stress is
  15. The shear force at the centre of a simply supported beam with a gradually varying load from zero at…
  16. The fuel mostly used in blast furnace for extracting pig iron from iron ores is
  17. The absolute zero pressure will be
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  19. The deformation of a bar under its own weight is _________ the deformation, if the same body is subjected…
  20. Strain is equal to (where l = Original length, and δl = Change in length)
  21. When the gas is cooled at constant pressure,
  22. The weakest section of a diamond riveting is the section which passes through
  23. The bending moment at a point on a beam is the algebraic ________ of all the moments on either side…
  24. In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical…
  25. Stirling and Ericsson cycles are
  26. The value of shear stress which is induced in the shaft due to the applied couple varies
  27. The condition for the reversibility of a cycle is
  28. The heat and work are mutually convertible. This statement is called __________ law of thermodynamics.
  29. A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in…
  30. When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection…