What is blow down?

What will be an ideal response?


Blow down is the continuous or intermittent draining of a small fraction of circulating water to prevent the buildup and concentration of scale forming minerals and other nonvolatile impurities in the water.

Trades & Technology

You might also like to view...

Conductors that are 1 AWG or larger are ____ in color.

a. green b. brown c. orange d. black

Trades & Technology

Once thread cutting oil is caught in a drip pan or bucket, it can be filtered to remove metal chips and then _____.? ?  

A. disposed of? B. used for other purposes? C. reused? D. mixed with water?

Trades & Technology

Tags can be used in lieu of lockout for some aircraft maintenance functions.

a. True b. False.

Trades & Technology

McMillan Company manufactures electronic flow sensors that are designed as an alternative to ball-and-tube rotometers. The company recently spent $3 million to increase the capacity of an existing production line. If the extra revenue generated by the expansion amounts to $200,000 per month, how long will it take for the company to recover its investment at an interest rate of 12% per year, compounded monthly? Solve using (a) tabulated factors and (b) a spreadsheet or calculator.

What will be an ideal response?

Trades & Technology