Minnesota /78 Questions And Answers
(A+)
Quiz :Why is a pigtail or siphon required in steam pressure gauge lines? - √Answer
:to protect the gauge from a high temperature.
Quiz :In a stem boiler system, what is the term used for replacing the water that
has been lost by blowing down the boiler through leaks in the system? - √Answer
:A make up water
Quiz :On steam boiler system, why are bottom blow down valves installed at the
lowest point of the waterside of boilers? - √Answer :To remove sludge and sediment.
, Quiz :Boiler heating is defining as : - √Answer :Water on one side hot gases on the
other side.
Quiz :In a fire tube boiler, the water - √Answer :Surrounds the tubes
Quiz :When the bottom blow down valves are used on a steam boiler, what
valve located closet to the boiler shell? - √Answer :The quick opening valve
Quiz :What is the function of an automatic city water feeder on a low pressure boiler?
- √Answer :To control water to the feed water tank
Quiz :The purpose of a safety valve on a steam boiler is to: - √Answer :To prevent the
boiler from exceeding its MAWP
Quiz :The control designed as a safety back up, should the operating fail is: -
√Answer :A high limit control
Quiz :The capacity of a safety valve used on a steam boiler is measure in: - √Answer
:pounds of steam that can be discharge in one hour.
Quiz :How does a pressuretrol attach to the steam space of boiler control the burner
operation? - √Answer :On pressure decrease - starts the burner.