IRRIGATION EXAM QUESTIONS
WITH CORRECT SOLUTIONS||100%
GUARANTEED PASS||ALREADY
GRADED A+||UPDATED
2025/2026||<<NEWEST
VERSION>>||
Which piping of a sprinkler system will be under constant pressure.? - ANSWER
✓ Main line
A gate valve will have________. - ANSWER ✓ Lees pressure loss than a globe
valve of equal size.
schedule 40 fittings can be solvent welded to: - ANSWER ✓ schedule 40 pipe
class pipe
schedule 80 pipe
-all the above.
Potable water is______? - ANSWER ✓ suitable for human consumption
statement about "C" value . - ANSWER ✓ The lower the "C" value the greater the
friction loss.
The main factor that affects the effectiveness of a sprinkler system is _____. -
ANSWER ✓ Precipitation rate
Conventional spray heads discharge a spray pattern that usually_____ in in shape.
- ANSWER ✓ Circular
Which would be affected more adversely by wind? - ANSWER ✓ Stretched head
spacing.
, A well designed rotary system can be just as efficient as a well designed system
with spray heads. - ANSWER ✓ True
Resistant to UV light. - ANSWER ✓ Polyethylene tubing.
Electric valves are classified as ______. - ANSWER ✓ Normally closed valves.
The wire to the valve should be pulled fairly tight to prevent the wire from moving
in the ditch. - ANSWER ✓ False
Which wire is larger?
18 gauge
14 gauge
16 gauge
12 gauge - ANSWER ✓ 12 gauge
Multi-conductor wire such as 18/6 has______. - ANSWER ✓ 5 circuit wires and 1
common.
Master valves are used to prevent velocities above 7ft/sec. - ANSWER ✓ False
Any connection made to a potable water supply. - ANSWER ✓ Cross connection.
Water has higher infiltration rates in: - ANSWER ✓ Course, sandy soils
The best measure of the amount of the water that needs to be replaced by the
irrigation system is : - ANSWER ✓ Evapotranspiration rate
The basic reason drip irrigation is very successful for plant growth is: - ANSWER
✓ Soil moisture content can be kept at a relative constant and proper level.
The reason why drip is considered very water efficient and conserves water is: -
ANSWER ✓ Precise water placement and control.
Less water lost to wind and evaporation.
Which situation will cause the greatest evaporation? - ANSWER ✓ Long run
times.
WITH CORRECT SOLUTIONS||100%
GUARANTEED PASS||ALREADY
GRADED A+||UPDATED
2025/2026||<<NEWEST
VERSION>>||
Which piping of a sprinkler system will be under constant pressure.? - ANSWER
✓ Main line
A gate valve will have________. - ANSWER ✓ Lees pressure loss than a globe
valve of equal size.
schedule 40 fittings can be solvent welded to: - ANSWER ✓ schedule 40 pipe
class pipe
schedule 80 pipe
-all the above.
Potable water is______? - ANSWER ✓ suitable for human consumption
statement about "C" value . - ANSWER ✓ The lower the "C" value the greater the
friction loss.
The main factor that affects the effectiveness of a sprinkler system is _____. -
ANSWER ✓ Precipitation rate
Conventional spray heads discharge a spray pattern that usually_____ in in shape.
- ANSWER ✓ Circular
Which would be affected more adversely by wind? - ANSWER ✓ Stretched head
spacing.
, A well designed rotary system can be just as efficient as a well designed system
with spray heads. - ANSWER ✓ True
Resistant to UV light. - ANSWER ✓ Polyethylene tubing.
Electric valves are classified as ______. - ANSWER ✓ Normally closed valves.
The wire to the valve should be pulled fairly tight to prevent the wire from moving
in the ditch. - ANSWER ✓ False
Which wire is larger?
18 gauge
14 gauge
16 gauge
12 gauge - ANSWER ✓ 12 gauge
Multi-conductor wire such as 18/6 has______. - ANSWER ✓ 5 circuit wires and 1
common.
Master valves are used to prevent velocities above 7ft/sec. - ANSWER ✓ False
Any connection made to a potable water supply. - ANSWER ✓ Cross connection.
Water has higher infiltration rates in: - ANSWER ✓ Course, sandy soils
The best measure of the amount of the water that needs to be replaced by the
irrigation system is : - ANSWER ✓ Evapotranspiration rate
The basic reason drip irrigation is very successful for plant growth is: - ANSWER
✓ Soil moisture content can be kept at a relative constant and proper level.
The reason why drip is considered very water efficient and conserves water is: -
ANSWER ✓ Precise water placement and control.
Less water lost to wind and evaporation.
Which situation will cause the greatest evaporation? - ANSWER ✓ Long run
times.
