Related Questions

Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump.
A Electromagnetic
B Axial flow
C Diaphragm
D Reciprocating
In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done in all the positions i.e. flat position, vertical position or inclined position.
A Globular transfer
B Spray transfer
C GMAW practice
D Dip transfer
Ultra Super Critical Technology ব্যবহার করে বিদ্যুৎ উৎপাদনে বাংলাদেশ পৃথিবীতে কত তম দেশ ?
A ১০ম
B ৩৩তম
C ১৩ তম
D ৩৫ তম
Ultra centrifuges are used for the separation of __________ solid particles.
A Coarse
B Fine
C Colloidal
D Dissolved
Zone refining is used for the purification of
A Au
B Ge
C Ag
D Cu
Which of the following retards the self purification of stream?
A Higher temperature
B Sunlight
C Satisfying oxygen demand
D None of the above
Muddy water is treated with alum in purification process, it is termed as :
A Emulsification
B Absorption
C Adsorption
D Coagulation
Purification of blood takes place in
A Lungs
B Heart
C Kidney
D Liver
The factor responsible for purification of sewage in river is
A Hydrology
B Dissolved oxygen in water
C Temperature
D All the above
During purification process of sewage the gas given off, is
A Carbon dioxide
B Hydrogen
C Ammonia
D All the above

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