Glass reacts with___________________?
A. H2SO3
B. HF
C. HNO3
D. K2Cr2O7
Chemical Engineering Basics
Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?
Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?
A. Steel
B. Glass wood
C. Copper
D. Fireclay bricks
Which one can be directly solidified from gaseous state without entering into liquid state ?
Which one can be directly solidified from gaseous state without entering into liquid state ?
A. Helium
B. Oxygen
C. Carbon dioxide
D. None of these
Cold heading or upsetting is categorised as the ________________ process ?
Cold heading or upsetting is categorised as the ________________ process ?
A. Extrusion
B. Bending
C. Rolling
D. 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________________?
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. 3171Pa
B. 3567Pa
C. 1.01 × 105Pa
D. 5000Pa
The most abundant metal present in the earth’s crust is__________________?
The most abundant metal present in the earth’s crust is__________________?
A. Iron
B. Copper
C. Titanium
D. Aluminium
A material being tested for endurance strength is subjected to the _______________ load ?
A material being tested for endurance strength is subjected to the _______________ load ?
A. Impact
B. Completely reversed
C. Dynamic
D. Static & dynamic
Notched bar test is used for testing the _________________ of a material?
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 ___________________?
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_________________?
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 phase
C. Exchange between a liquid phase and an organic resin phase
D. Exchange between a solid phase and a gas phase