TEST10-VANE
Hydrodynamics Valve Quiz
Test your knowledge on the fundamentals of hydrodynamics and valve mechanisms with our engaging quiz! Designed for both industry professionals and students, this quiz covers essential topics regarding butterfly valves, their components, and operational principles.
- 10 insightful questions
- Multiple choice format
- Ideal for enhancing your expertise in fluid mechanics
Coeficientul Kf al fortei hidrodinamice care actioneaza asupra discului unei vane fluture depinde de
Densitatea fluidului de lucru
Suprafata discului S
Unghiul de deschidere a discului,alfa
Diametrul discului D
Organul obturator al organului fluture executa o miscare
De rotatie injurul unui ax perpendicular pe axul conductei
De translatie perpendicular pe axul conductei
De translatie perpendicular pe planul sau
De rotatie in jurul axului conductei
Printre avantajele robinetelor cu cep se numara
Fortele reduse necesare actionarii
Fortele reduse necesare etansarii
Pierderile de sarcina reduse in pozitia complet deschis
Uzura redusa
La diametre mari,vanele fluture nu pot fi utilizate pentru reglarea debitului din cauza
Manevrarii greoaie
Imposibilitatii de a asigura o inchidere etansa
Gabaritului mare
Fortelor hidrodinamica mari
Vanele conice se utilizeaza de regula
In instalatiile din industria petrochimica
In retelele publice de alimentara cu apa
La golirile de fund al barajelor
In retelele de irigatii
Indicati care dintre urmatoarele indica o varianta de dispunere a discului unei vane fluture
Concentrica
Periferica
Axial-simetrica
Excentrica
La venele fluture cu dimensiuni mici,etansarea dintre disc si corp se realizeaza prin
Unei presetupe
Unui manson de cauciuic dispus la interiorul corpului
Unor inele metalice dispuse spre periferia discului
Unor inele de cauciuc dispuse pe muchia discului
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