What is the purpose of the nozzles or additional tubes? The nozzles or additional tubes are tubular pieces adapted to the orifices and are intende...
What is the purpose of the nozzles or additional tubes?
The nozzles or additional tubes are tubular pieces adapted to the orifices and are intended to direct the jet.
The length of the nozzles must be between 1.5 and 3.0 times the diameter.
The standard nozzle is the nozzle whose length equals 2.5 times its diameter.
a) Only statement I is correct.
b) Statements I and II are correct.
c) Statements II and III are correct.
d) All statements are correct.
The nozzles or additional tubes are tubular pieces adapted to the orifices and are intended to direct the jet.
The length of the nozzles must be between 1.5 and 3.0 times the diameter.
The standard nozzle is the nozzle whose length equals 2.5 times its diameter.
a) Only statement I is correct.
b) Statements I and II are correct.
c) Statements II and III are correct.
d) All statements are correct.
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Ed 
The purpose of the nozzles or additional tubes is to direct the jet. The length of the nozzles must be between 1.5 and 3.0 times the diameter. The standard nozzle is the nozzle whose length equals 2.5 times its diameter. Therefore, the correct alternative is b) Statements I and II are correct.
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