2898Chemical EngineeringMedium
Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is________?
A235
B92
C200
D3
Correct answer
D. 3
Explanation
The correct answer is 3.
Correct answer
D. 3
Explanation
The correct answer is 3.
The average velocity in the tubes of a 1-4 heat exchanger is ________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate?
Coking coals are invariably________?
Electrical resistor bars are made of ________?
Maximum consumption of zinc is in________?
Minimum thermal efficiency of a steam boiler may be around ________ percent?
Addition of ________ in steel can help in increasing the depth of hardness?