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High pressure boiler exam questions with correct answers
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High pressure boiler exam questions with correct answers
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High pressure boiler exam questions withcorrect answers
ASME requires low pressure Steam boiler to be pressure tested how often - ** VERIFIED ANSWERS
**✔✔Annually
Which of these should be used on a electrical fire - ** VERIFIED ANSWERS **✔✔Class C
On a low pressure boiler how often should you check the safety valve - ** VERIFIED ANSWERS
**✔✔10 days
What is the purpose of the lower part of the water column - ** VERIFIED ANSWERS **✔✔Collects
settlements in foreign material
If certain grade of fuel are not preheated properly they may cause - ** VERIFIED ANSWERS
**✔✔Poor combustion and high fuel consuption
Induced draft fan, forced fan in the fuel valve are inteelocked because - ** VERIFIED ANSWERS
**✔✔Generally the forced fan will not start until the induced fan starts
What is the purpose of a manual reset - ** VERIFIED ANSWERS **✔✔It secures fuel in the flame
scanner
A cast iron boiler is stacked so it is - ** VERIFIED ANSWERS **✔✔An HRT boiler
How often do we check the flame scanner - ** VERIFIED ANSWERS **✔✔Once a week
How do uou prevent a fire in your pulverizer - ** VERIFIED ANSWERS **✔✔Increase fuel, and cold
air
, High-pressure boilers generally operate at pressures - ** VERIFIED ANSWERS **✔✔Above 15psi
and over 6 BHP
Pressure gauge should Never have a range less than - ** VERIFIED ANSWERS **✔✔One and a half
times safety valves set pressure
After water is blown out of the sighon, why should live steam never be allowed to enter a burden
tube - ** VERIFIED ANSWERS **✔✔Live stream will damage the pressure gage
All of the following are essential to maintaining the proper fuel oil pressure with fuel oil expect - **
VERIFIED ANSWERS **✔✔Obtaining the correct difference in pressure inside and outside the
boiler
What could be more dangerous to save operations of a low pressure boiler - ** VERIFIED ANSWERS
**✔✔Adding water to an operating boiler when the water levels cannot be seen
Which of the following is the best if the low pressure boiler does not have an air vent - ** VERIFIED
ANSWERS **✔✔Vent the boiler by using the trycocks
Following flame failure controls must be deneegized fuel and ignition cicruits - ** VERIFIED
ANSWERS **✔✔Within 4 seconds
What is the purpose of an evaporation test on a low pressure boiler - ** VERIFIED ANSWERS
**✔✔To test the low-water cut off control
How can an operator prevent damaging the tubes while using a cleaner to remove scale from boiler
tubes - ** VERIFIED ANSWERS **✔✔Never allowed her to clean her to stay in one place
In a steam boiler which of the following should never be placed between the safety relief valve and
the boiler vent - ** VERIFIED ANSWERS **✔✔Shut off valve
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