Answer the following statements true (T) or false (F)
1 CO is an asphyxiant that can cause death in high enough concentrations.
2 A process technician completes the inspection of the furnace’s internal components.
3 When using combination burners, firebox temperature must be near the operating range before the fuel oil is introduced.
4 Boilers deliver steam to a process at a desired pressure and temperature that is used throughout the process facility.
5 The economizer section is used to decrease boiler efficiency by reheating the water as it enters the boiler system.
1 True.
2 False. Poor control of excess air and poor draft control can lead to reduced boiler efficiency.
3 True.
4 False. When putting a vessel into service, the pressure should be increased gradually to operating pressure because rapid pressure changes can damage internal components.
5 True. Vessel wall thickness checks may be made while the vessel is in operation, but more accurate thickness measurements are made when a vessel is empty and clean.
You might also like to view...
Markers are located by comparing RNA patterns on fragments of RNA
Indicate whether the statement is true or false
Dormancy is seldom necessary for seeds as they are able to germinate in any environmental condition
Indicate whether the statement is true or false
If a driver notices that the ammeter registers discharge or there is a low reading on the voltmeter, the driver should
A. stop immediately B. not shut off the engine C. not accelerate D. shift into neutral
Technician A states that oil cooler bundles can be tested using a vacuum adapter. Technician B states that oil cooler bundles can be tested using regulated air pressure.
A. Technician A only. B. Technician B only. C. Both A and B. D. Neither A nor B.