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  1. Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
  2. The malleability of a material is the property by virtue of which it can be rolled or hammered into…
  3. Magnetic permeability of iron is increased by its
  4. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation…
  5. Fire in fuel gas pipelines is extinguished most effectively by
  6. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
  7. Exposure to __________ accelerates the degradation of plastics.
  8. __________ is a non volatile film forming constituent of a paint.
  9. The most economical channel section for the fluid flow is the one for which the discharge is maximum…
  10. Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion…
  11. Nickel is a __________ material.
  12. A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K…
  13. Which of the following materials has the maximum shrinkage allowance?
  14. Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
  15. Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic…
  16. The product (s) of roasting of a sulphide ore is (are)
  17. In __________ process, there is an increase in entropy with no degradation of energy.
  18. Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends…
  19. Rankine cycle comprises of two isothermal and two __________ processes.
  20. With increase in annealing temperature, the following defect density decreases.
  21. __________ stress cannot be sustained by a fluid in equilibrium.
  22. When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
  23. Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)
  24. The two elements required to form substitutional solid solution should not have
  25. Neutrons are present in all atoms except that of
  26. Natural water contains approximately __________ percent of heavy water.
  27. Which of the following is not a dielectric material?
  28. Thermal efficiency of an internal combustion engine is around __________ percent.
  29. Unit of viscosity in CGS system is
  30. __________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in…