Missed Questions Flashcards
1
Q
Safety valve capacity should be?
A
Same or greater than boiler capacity
2
Q
But content of natural gas
A
100,000 btu/therm
3
Q
Proximate analysis of coal indicates what?
A
Moisture, volatile matter, fixed carbon,ash
4
Q
Spalling is?
A
Caused by temperature changes in furnace
5
Q
Output if to centrifugal pumps in series is:
A
Double pressure constant volume
6
Q
Steam pressure gauge range should be:
A
At least 11/2 times the safety valve rating
7
Q
Saybolt viscosimeter is used to
A
Test and grade oil
8
Q
Ringleman test determines
A
Smoke density
9
Q
Pyrometers measure
A
Temperature
10
Q
Amount of excess air in gases of combustion is normally determined by analysis of
A
O2
11
Q
A deposit of scale or mud in HRT boiler could cause
A
A bag to develop
