Line D Boiler Ratings

Question 1

What is the input of an 80% efficient steam boiler with an EDR rating of 11,500 ft2?

Answer 1

Question 2

What is the BHP rating of a hot water boiler with an output rating of 3,400 MBH?

Answer 2

Question 3

What Btu output would be required from a steam boiler to supply 8300 ft2 of exposed radiation?

Answer 3

Question 4

The input of a 75% efficient steam boiler is 1,000 MBH. How many pounds of 212°F water could be generated into 212°F Steam in 90 min?

Answer 4

Question 5

A hot water boiler is 80% efficient and operates at 170°F. How many ft3 of C3H8 would be consumed each hour to heat a building which contains 7100 ft2 of gross EDR?

Answer 5

Question 6

A propane boiler with an input of 5,000 MBH is 75% efficient. How many ft2 of net EDR will it satisfy when operating with 170 o F water?

Answer 6

Question 7

A building with a net EDR of 15,500 ft2 is heated with a 100 BHP steam boiler. By what percentage would the boiler have to be over fired in order to satisfy the required output?

Answer 7

Question 8

If a steam boiler was fired at 140% of its rated output of 60 BHP, how many ft2 of net EDR could the boiler service?

Answer 8

Question 9

A boiler with rating of 109 BHP is to be fired on CH4 what would you suggest is the input? Assume 75% efficiency.

Answer 9