TCEQ IRRIGATION LICENSE CORRECT FINALS
ANSWERS AND QUESTIONS SET A+
✔✔A device used to turn a quick coupler valve on and off is : - ✔✔A quick coupler key
✔✔Design pressure is : - ✔✔Minimum head pressure plus the total of all pressure
losses
✔✔The flexible portion of the remote control valve which regulates the passage of water
through the valve is called : - ✔✔A diaphragm
✔✔Slow application rates expressed in GPH are usually referring to what type of
irrigation : - ✔✔Drip irrigation
✔✔Water in motion is : - ✔✔Dynamic water
✔✔Water at rest is : - ✔✔Static water
✔✔To gain .866 PSI your piping would have : - ✔✔Elevation loss of two feet
✔✔An loss of .433 PSI is a result of : - ✔✔A piping elevation gain of 1 foot
✔✔What is an emitter ? - ✔✔A small mechanical device used to limit water flow to a
very low drip or trickle
✔✔What happens when water flows through the irrigation components ? - ✔✔You
encounter friction loss as water flows through all piping and irrigation components .
✔✔Wastewater , such as from your bath , sink , or washing machines , is called : -
✔✔Greywater
, ✔✔A permanent assembly of irrigation components for the purpose of watering the
landscape or for the purpose of dust reduction or erosion control is : - ✔✔An irrigation
system
✔✔A method of maintaining a constant discharge pressure regardless of inlet pressure
is called : - ✔✔Pressure compensating
✔✔A motorized device which creates , or boosts pressure , is : - ✔✔A pump
✔✔PVC represents what type of irrigation piping ? - ✔✔Poly vinyl chloride
✔✔The reuse of water that has been used previously for some other purpose is called :
- ✔✔Reclaimed or recycled water
✔✔A drawing of an installed irrigation system showing major components is : -
✔✔Called an as - built plan
✔✔Run - off can occur when : - ✔✔The precipitation rate exceeds the infiltration rate of
the soil
✔✔Calculating and managing the time and amount of water to apply to the plant
material is referred to as : - ✔✔Scheduling
✔✔What is the piping between the city main and meter called ? - ✔✔Service line
✔✔What device is used to protect the sprinkler heads and pipe from breaking due to
foot traffic and the like ? - ✔✔A swing joint
✔✔Factors in determining what type of sprinkler heads to use include : - ✔✔size and
shape of the area ,type of landscaping ,and soil type
✔✔Which represents matched precipitation rates ? - ✔✔quarter circle 2.5 GPM , half
circle 5 GPM , full circle 10 Gpm
✔✔Increased pressure at the head will result in : - ✔✔An increase in GPM and radius
✔✔Excessive pressure at the head will result in : - ✔✔Misting or fogging
✔✔Pressure compensating nozzles : - ✔✔Improve system uniformity, Allow a constant
discharge pressure at each head regardless of the inlet pressure
✔✔Sprinkler heads that throw a uniform sheet of water in a fixed or adjustable pattern ,
and are more suitable for small to medium landscape areas are : - ✔✔Spray heads
ANSWERS AND QUESTIONS SET A+
✔✔A device used to turn a quick coupler valve on and off is : - ✔✔A quick coupler key
✔✔Design pressure is : - ✔✔Minimum head pressure plus the total of all pressure
losses
✔✔The flexible portion of the remote control valve which regulates the passage of water
through the valve is called : - ✔✔A diaphragm
✔✔Slow application rates expressed in GPH are usually referring to what type of
irrigation : - ✔✔Drip irrigation
✔✔Water in motion is : - ✔✔Dynamic water
✔✔Water at rest is : - ✔✔Static water
✔✔To gain .866 PSI your piping would have : - ✔✔Elevation loss of two feet
✔✔An loss of .433 PSI is a result of : - ✔✔A piping elevation gain of 1 foot
✔✔What is an emitter ? - ✔✔A small mechanical device used to limit water flow to a
very low drip or trickle
✔✔What happens when water flows through the irrigation components ? - ✔✔You
encounter friction loss as water flows through all piping and irrigation components .
✔✔Wastewater , such as from your bath , sink , or washing machines , is called : -
✔✔Greywater
, ✔✔A permanent assembly of irrigation components for the purpose of watering the
landscape or for the purpose of dust reduction or erosion control is : - ✔✔An irrigation
system
✔✔A method of maintaining a constant discharge pressure regardless of inlet pressure
is called : - ✔✔Pressure compensating
✔✔A motorized device which creates , or boosts pressure , is : - ✔✔A pump
✔✔PVC represents what type of irrigation piping ? - ✔✔Poly vinyl chloride
✔✔The reuse of water that has been used previously for some other purpose is called :
- ✔✔Reclaimed or recycled water
✔✔A drawing of an installed irrigation system showing major components is : -
✔✔Called an as - built plan
✔✔Run - off can occur when : - ✔✔The precipitation rate exceeds the infiltration rate of
the soil
✔✔Calculating and managing the time and amount of water to apply to the plant
material is referred to as : - ✔✔Scheduling
✔✔What is the piping between the city main and meter called ? - ✔✔Service line
✔✔What device is used to protect the sprinkler heads and pipe from breaking due to
foot traffic and the like ? - ✔✔A swing joint
✔✔Factors in determining what type of sprinkler heads to use include : - ✔✔size and
shape of the area ,type of landscaping ,and soil type
✔✔Which represents matched precipitation rates ? - ✔✔quarter circle 2.5 GPM , half
circle 5 GPM , full circle 10 Gpm
✔✔Increased pressure at the head will result in : - ✔✔An increase in GPM and radius
✔✔Excessive pressure at the head will result in : - ✔✔Misting or fogging
✔✔Pressure compensating nozzles : - ✔✔Improve system uniformity, Allow a constant
discharge pressure at each head regardless of the inlet pressure
✔✔Sprinkler heads that throw a uniform sheet of water in a fixed or adjustable pattern ,
and are more suitable for small to medium landscape areas are : - ✔✔Spray heads
