What is the purpose of a syncroscope?
2. What is the difference
between an ultimate and a proximate analysis?
3. Name the major boiler
4. What are the probable
causes for a surface-condensing turbine to gradually lose vacuum?
Name at least five.
5. A boiler is rated for
150,000 pounds of steam per hour, but only produces 135,000 pounds per hour.
List four (4) probable causes.
6. A turbine operates at
100% efficiency. The steam is supplied at 175 psig, exhausts at 28.5 inches
Hg. The turbine uses 1,000 pounds of steam per hour. What is the horsepower
and water rate? (Given h1=1,197; h2=851; hf2=105).
7. How is the Thermal
Efficiency of a turbine affected by bleeding steam to heat the feed water?
8. What information is
listed in the Daily Record book that is published by the Massachusetts
Department of Public Safety?
9. What is the difference
between Active and Inactive pitting?
10. How are the bearings
aligned in a Turbine Generator?
11. What is the theoretical
discharge pressure of a pump from 1,800 RPM at 100 PSI to 3,000 RPM?
12. What is the difference
between static and dynamic balancing?
13. Name at least six
turbine losses? Do not use the condenser in your answer.
14. Name five reasons for a
pressure drop in a Number 6 fuel oil line.
15. Start a small
16. There are two 300 HP
boilers in separate locations in the same plant. Can a third class engineer
take charge? If the boilers are in battery?
17. A Company wants to
insert a spool piece to change the steam inlet to the turbine from 6” to 4”.
What license is necessary to be in charge?
18. What are the
requirements for a company to do welded repairs in Massachusetts? How are
these requirements met?
19. What is the purpose of
a vacuum pump in a vacuum heating system and why is such a heating system
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