Glass reacts with___________________?
Glass reacts with___________________? A. H2SO3B. HF C. HNO3 D. K2Cr2O7
Glass reacts with___________________? A. H2SO3B. HF C. HNO3 D. K2Cr2O7
Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________? A. SteelB. Glass wood C. Copper D. Fireclay bricks
Which one can be directly solidified from gaseous state without entering into liquid state ? A. Helium B. OxygenC. Carbon dioxide D. None of these
Cold heading or upsetting is categorised as the ________________ process ? A. Extrusion B. Bending C. RollingD. Forging
The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be________________? A. 3171PaB. 3567Pa C. 1.01 × 105Pa D. 5000Pa
The most abundant metal present in the earth’s crust is__________________? A. Iron B. Copper C. TitaniumD. Aluminium
A material being tested for endurance strength is subjected to the _______________ load ? A. ImpactB. Completely reversed C. Dynamic D. Static & dynamic
Notched bar test is used for testing the _________________ of a material? A. Impact strength B. Endurance limit C. Machinability D. Corrosion resistance
The unit of gc is ___________________? A. lbm/lbf. ft/sec2 B. lbf/lbm. ft/sec2 C. ft/sec2 D. lbm/lbf. sec2/ft
One of the methods of purification of leach liquor is ion exchange, which involves_________________? A. Exchange between two liquid phases B. Exchange between a gaseous phase and a liquid phaseC. Exchange between a liquid phase and an organic resin phase…