What is coefficient of thermal conductivity
the coefficient of thermal conductivity -- is the quantity of heat that is transported through a unit cube of two surfaces of perpendicular distance to each other in a given unit of time when the difference in temperature of the two surfaces is 1°c and its unit is w/m∗k
a)-bin stock items free issue
bin stock items free issue items are similar to the free issue items, but their access is limited.
d is the answer