A team trap is a component of the apparatus used in determining the specific latent heat of vaporisation of steam. In the steady steady state, the steam trap
A.
stores the steam for future use
B.
prevents the steam from escaping
C.
ensures that only dry steam gets into the calorimeter
D.
allows condensed steam to go into the calorimeter
a tap supplies water at 26oC while another supplies water at 82oC. If a man wishes to bathe with water at 40oC the ratio of hot mass of hot water to that of cold water required is
