All Answers (8) 1  This is nice information from wikipedia visit. 2  I guess if you assume the DNA is at rest with an average rise of 3.4 A per base pair, then the length of chr1 would be 3.4A * 249*10^6, i.e. 847*10^6A, i.e. ~85 mm, or 8.5 cm.
Boiler sizing includes two things: 1  The heating and hot water capabilities of the boiler. 2  The physical size of your boiler and whether it will fit in the space you have it destined for.
Quick Answer. Gas boilers are tanks that sit on top of a burner that is heated by burning natural gas to spread heat into the tank. The tank heats water for hot water and sends it through the pipes to faucets or, depending on the boiler's function, heats water to create steam that is pumped distributed through the house via pipes or radiators. Keep Learning.