Ohio stationary steam engineer & Answers.

Ohio stationary steam engineer & Answers.

Combustion efficiency may be increased by_____ the primary air

Preheating

What is the purpose of cinder reinjection?

increase efficiency

2 forces of equal intensity acting in opposite directions is?

tension

What is true about the dew poimt of flue gasses

dew point is the temp at which the gasses will condense

What will not cause high stack temps?

plugged dry pipe

What is true about smoke

smoke consists of unburned hydrocarbons

WHat is used to reduce SO2 emissions in coal fired boilers?

Wet or dry scrubbers

In a solid fuel fired boiler, a gradual increase in flue gas exit temps over a course of a shift 

inidicates the boiler operator needs to _______

operate soot blowers

What watertube bolier is the largest in size and steam-generating compacitity

Utility watertube boiler

the blowdown on a safety valve can be altered by changing the setting of the _____

huddling ring

Copper and brass piping may be used for piping systems as long as the temp does not exceed

406 degrees

What is not measured in a 3 element feedwater system

-feedwater flow

-drum pressure

-steam flow

-drum level

drum pressure