1) Why
are flexible couplings used on main turbines, describe a gear or dental type?
2) What
is the main purpose of a hole bored in the center of a turbine shaft?
3) What
is a spindle or dummy micrometer used for?
4) How
much heat is required to melt one pound of ice at 32 * F
5) A
boiler efficiency calculation.
6) A
combustion efficiency calculation.
7) ws=51.5ap
ws=28000 lb/hr p=400 solve for A.
8) Who
is authorized to adjust safety valves and how can you tell if a safety valve is
alright to install?
9) PH
reading is the concentration of ----- ?
10) You
are on watch at your plant, turbine is off line and on the turning gear, when
can you close the generator breaker and why?
11) List
four safety devises on a gas turbine?
12) List
the operation and maintenance procedures to avoid compressor fouling on a gas
turbine?
13) What
does the commonwealth require of a person performing the duties of the engineer
in charge of a second class plant, what license is required?
14) List
four things that would cause a turbine to appear unbalanced when it actually was
balanced?
15) What
is a blow down tank and what the piping requirements?
16) How
are throttling loss’s minimized in a steam turbine?
17) Why
do we measure electric conductivity in boiler water?
18) When
is a radio graph and stress relieving required on a welded repair?
19) What
precautions should be taken while welding or inspecting a weld?
20) What happens to the latent heat as the
pressure goes up?
