“Encyclopaedia of Chemical Technology” has been ____________________?

Related Mcqs:

1. In chemical dehumidification of air___________________?

   A. Both specific humidity & dry bulb temperature increases
   B. Both specific humidity & dry bulb temperature decreases
   C. Specific humidity decreases & dry bulb temperature increases
   D. Specific humidity increases & dry bulb temperature decreases

2. For a first order chemical reaction, the concentration of the reactant decreases __________________ with time?

   A. Linearly
   B. Exponentially
   C. Logarithmically
   D. Inversely

3. The order of a chemical reaction____________________?

   A. Can be determined only experimentally
   B. Can be determined from the stoichiometry of the reaction
   C. Cannot be zero
   D. Can be fractional

4. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________________?

   A. Black
   B. Silver grey
   C. Green
   D. Yellow

5. Powder metallurgy technique is used in the production of ____________________ tools ?

   A. Tungsten carbide
   B. High carbon steel
   C. High speed steel
   D. Drilling

6. Current employed in resistance welding ranges from ____________________ kVA/cm2?

   A. 1.2 to 2.5
   B. 4.5 to 6.2
   C. 7.5 to 8.5
   D. 10.5 to 15.5

7. In TIG welding, thoriated tungsten electrodes are used, because it ____________________?

   A. Has higher current carrying capacity
   B. Has better electron emissivity
   C. Is stronger than ordinary tungsten
   D. Is easy to prepare

8. Pressure required to increase the density of water by about 1% is ____________________ atmosphere?

   A. 10
   B. 50
   C. 200
   D. 1000

9. In the diving apparatus, helium is used along with oxygen, because it is ____________________?

   A. Easily available
   B. Not soluble in blood at high pressure
   C. Lighter than nitrogen
   D. Completely miscible with oxygen

10. Out of the following, the lowest packing of atoms exists in ____________________ crystal lattice structure?

    A. Hexagonal close, packed (hcp)
    B. Face centred cubic (fcc)
    C. Body centred cubic (bcc)
    D. Simple cubic