Which of the following are considered applications of ultrasonic testing?

A. Determination of elastic constant

B. Detection of defects in metal

C. Measurement of material thickness

D. None of the above

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

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  1. Tip of the match stick contains a mixture of
  2. In __________ process, there is an increase in entropy with no degradation of energy.
  3. The elastic strain in copper is due to the
  4. Secondary hardening in steels arises out of the
  5. Transformer cores are normally made from
  6. In case of simple harmonic motion, displacement is proportional to the
  7. Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C,…
  8. Maximum consumption of limestone is in the __________ industry.
  9. The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.
  10. Electrometallurgy is not involved in the extraction of __________ from its ore.
  11. Which of the following is preferred for riveting?
  12. Multistage compression of air as compared to single stage compression offers the advantage of
  13. A material is capable of resisting softening at high temperature, because of its property termed as
  14. Diamagnetic materials
  15. The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
  16. Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
  17. In chemical dehumidification process
  18. Capacity & power requirement for an air compressor working at high altitude compared to sealevel will…
  19. Which one is neutral in character?
  20. If a solid is compressed adiabatically in its elastic range, its __________ remains constant
  21. At absolute zero temperature, for any reaction involving condensed phases
  22. What happens, when SO2 is passed through a solution of H2S in water?
  23. Consideration of the creep is the most important in case of the
  24. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
  25. What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer…
  26. The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________…
  27. Corrosion is
  28. The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the…
  29. Wrought iron does not have
  30. The refrigerant freon-12 is chemically