Alloys having more than 80% copper are generally more

A. Abrasion resistant

B. Corrosion resistant

C. Prone to season cracking

D. Machinable

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

You can do it
  1. The most important consideration in value engineering is the
  2. The surface tension of a liquid, at critical temperature is
  3. Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion…
  4. Which of the following performance characteristics of a S.I engine is not affected by the front end…
  5. A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
  6. Plastics as a material of construction suffer from the drawback of low
  7. Pick out the wrong statement
  8. Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil,…
  9. Dies for wire drawing are generally made of
  10. Nitriding of a steel part does not increase its
  11. The underground well of a biogas plant is called the
  12. Which of the following metals is the most prone to work hardening?
  13. Steel is welded using the __________ flame.
  14. Fine grained steels have
  15. Bad odour in sanitary latrines is reduced by periodically sprinkling
  16. Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical…
  17. Solute atoms which cause yield point phenomenon in mild steel are/is
  18. 'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable…
  19. Addition of __________ to steel does not help in improving its machinability.
  20. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
  21. __________ is used for tying the steel columns to concrete foundation.
  22. The co-ordination number in simple cubic structure is
  23. X-rays are
  24. For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
  25. Shaft/rotor speed is most accurately measured by a
  26. For preparation of porous bearings by powder metallurgy, preferred particle shape is
  27. The most serious manufacturing defect from fracture toughness point of view is
  28. Shampoos are commercially not available in the form of
  29. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
  30. Brinell Hardness Number (BHN) for talc is approximately in the range of