The first duty of the operator coming on shift is to
a) check the safety valve settings
b) fill out the log book
c) check that water column and gage glass connections are clear
d) talk to his supervisor
e) check the chemical tank levels
Answer: C
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Power Engineering Chapter 64
- When cooling down a steam boiler that has been taken out of service, a vent valve on the steam drum should be opened to
- On boiler cool-down the vent should be opened
- Before removing a boiler from service for maintenance purposes it is beneficial to
- Two boilers are feeding into the same steam header and each pressure gage shows a pressure of 350 kPa. The steam pressure gage on the header will indicate
- When raising pressure in a firetube boiler you should: 1. raise steam slowly 2. raise steam as rapidly as possible 3. check the furnace frequently 4. check the system for leaks
- While a boiler is warming up it is good practice to
- A boiler warm-up should
- When igniting a gas or oil fired boiler you should ignite from: 1. another burner already in service 2. the hot refractory 3. a hand torch 4. an electrical igniter
- A boiler furnace pre-purge
- Superheater vents are usually opened before firing a boiler to
- On a boiler fuel system having a double block and bleed set-up
- Boiler dry-out means
- Boiler boiling out procedure should be done
- Before lighting up a boiler you should: 1) purge the furnace 2) open the blow down valve 3) check the fuel supply 4) fill the boiler with water
- If a new boiler is not properly boiled out, it may result in
- A boiler inspection
- The external inspection of a boiler
- New refractory must be thoroughly and properly cured with a light fire because
- Before starting up any boiler it is necessary that
- What is the first step before shutting down a boiler?
- Which ASME code states the procedure for opening up a boiler into a pressurized steam header is referred to as "cutting" the boiler into the header?
- Most boilers control systems have built-in __ combustion controls to make certain the air flow and fuel flow rates are properly matched.
- The procedure for opening up a boiler into a pressurized steam header is referred to as?
- ___kPa pressure is usually required for pressure steam for heating and auxiliary equipment.