DRIVER OPERATOR MOBILE WATER Questions with Correct Solutions
Question:
1. What does the C stand for in this equation? FL=CQ
Answer:
Fricition loss coefficient
Question:
2. Why should you pull short or past the hydrant if you have front or rear suction?
Answer:
To allow the hose to bend
Question:
3. How far away from the pumper can you safely apply a hose clamp?
Answer:
20 ft
Question:
4. Where to position apparatus near rail road tracks?
Answer:
On the same side of the incidents
Question:
5. How far from a downed power line should you stand away?
Answer:
The distance between two power lines
Question:
6. Never use a hose clamp on
Answer:
LDH
Question:
7. What to use high expansion foam with
Answer:
High pressure compressed air
, Question:
8. Firefighter at the hydrant on forward lay should have hose, hydrant wrench and
Answer:
Gate valve
Question:
9. What to use on vertical surfaces
Answer:
Class A dry foam
Question:
10. What is a grid system?
Answer:
A water supply system that utilizes lateral feeders for improved distribution
Question:
11. What is the distance between the liquid surface of the foam concentrate and the foam
concentrate inlet to the foam educator?
Answer:
Maximum of 6 ft
Question:
12. What is net discharge pressure?
Answer:
Actual amount of pressure being produced by the pump; difference between the intake
pressure and the discharge pressure
Question:
13. Atmospheric pressure decreases .5 psi per ____ ft
Answer:
1000 ft
Question:
14. Parallel=
Answer:
Volume mode
Question:
1. What does the C stand for in this equation? FL=CQ
Answer:
Fricition loss coefficient
Question:
2. Why should you pull short or past the hydrant if you have front or rear suction?
Answer:
To allow the hose to bend
Question:
3. How far away from the pumper can you safely apply a hose clamp?
Answer:
20 ft
Question:
4. Where to position apparatus near rail road tracks?
Answer:
On the same side of the incidents
Question:
5. How far from a downed power line should you stand away?
Answer:
The distance between two power lines
Question:
6. Never use a hose clamp on
Answer:
LDH
Question:
7. What to use high expansion foam with
Answer:
High pressure compressed air
, Question:
8. Firefighter at the hydrant on forward lay should have hose, hydrant wrench and
Answer:
Gate valve
Question:
9. What to use on vertical surfaces
Answer:
Class A dry foam
Question:
10. What is a grid system?
Answer:
A water supply system that utilizes lateral feeders for improved distribution
Question:
11. What is the distance between the liquid surface of the foam concentrate and the foam
concentrate inlet to the foam educator?
Answer:
Maximum of 6 ft
Question:
12. What is net discharge pressure?
Answer:
Actual amount of pressure being produced by the pump; difference between the intake
pressure and the discharge pressure
Question:
13. Atmospheric pressure decreases .5 psi per ____ ft
Answer:
1000 ft
Question:
14. Parallel=
Answer:
Volume mode
