Correct answer
D. 90% tungsten carbide and 10% cobalt
Explanation
The correct answer is 90% tungsten carbide and 10% cobalt.
All materials obey Hooke’s law within elastic limit. When elastic limit is reached, the tensile strain________?
The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the________?
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be ________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume?
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than ________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop?
Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is________?
SO3 is absorbed using H2SO4 in a________?