Home

Principal alloying element in Elinvar (used for making hair springs for watches) is

A. Copper

B. Aluminium

C. Nickel

D. Zinc

Correct Answer : C.


Download Objective type questions of Chemical Engineering Basics PDF

Get all objective type questions of Chemical Engineering Basics MCQ

Also checkout these categories

Astronomy MCQ Phylum - Arthropoda MCQ Co-Ordination Compound MCQ Syllogism MCQ Partnership MCQ Coding Decoding MCQ State of Matter MCQ Wave, Motion, and Sound MCQ Rearrangement Set 11 MCQ Civil Engineering MCQ Calendar MCQ Chain Rule MCQ

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

Submit
Load More..
You can do it
  1. __________ property of a material is determined by the Herbert Pendulum device.
  2. Young's modulus of a material is the measure of its
  3. With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.
  4. The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.
  5. Ultimate strength in tension as compared to that in shear for steel is
  6. 'Flare tower' used in industry is meant for
  7. The pressure outside a bubble/droplet of liquid is __________ the internal pressure.
  8. Which of the following are considered applications of ultrasonic testing?
  9. Addition of __________ to steel does not impart hardness.
  10. In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The…
  11. Silicon in steel
  12. Percentage of argon (by volume) in dry atmospheric air is about
  13. Air intake for an air compressor should be preferably taken from
  14. Hydrogen can be
  15. Austempering process results in the formation of __________ structure.
  16. Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
  17. Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
  18. Moist climate is the most favourable factor in the site selection far a
  19. The main charge in blast furnace is usually
  20. Property responsible for the talcum powder to cling to the skin is the
  21. Lap joints are preferred over butt joints in soldering/brazing, because these joints are
  22. Galvanic corrosion cannot be prevented by
  23. Removal of non-condensable from steam or other vapour is termed as the __________ process.
  24. Gratings is associated with the measurement of
  25. For dynamic strain measurement, the Wheatstone bridge used is of __________ type.
  26. Titanium is produced by __________ of Ti Cl4.
  27. In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer…
  28. Which of the following relationships is correct for relating the three elastic constants of an isotropic…
  29. The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer…
  30. The refractory lining of the bottom in a basic electric arc furnace is made of