
Teste Licenta Electromecanica 63-126 DE FACUT

Quiz
•
Physical Ed
•
12th Grade
•
Easy
Infinity Cnz99
Used 18+ times
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63 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ce reprezinta marimea Q1 in ecuatia bilantului energetic al unei caldari de abur: Qd = Q1 + Q2 + Q3 + Q4 + Q5 + Q6
caldura pierduta prin gazele de ardere evacuate la cosul caldarii;
caldura pierduta prin ardere chimic incompleta;
caldura utilizata pentru transformarea apei in abur;
caldura pierduta prin saturatie si convectie in mediul inconjurator.
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ce reprezinta raza de excentricitate la masina alternativa cu piston?:
raza excentricului masinii;
raza sectiunii transversale a arborelui cotit;
raza cercului descris de centrul excentricului;
raza manivelei sertarului
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ce rol are roata de reglare la o turbina cu abur:
este o componenta a regulatorului de turatie;
fiind montata pe axul turbinei, actioneaza regulatorul;
este turbina Curtis utilizata in reglarea cantitativa.
dispozitiv de reglare a calitatii aburului in reglarea de tip calitativ.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ce se intelege prin fenomenul de ebolitiune?:
vaporizarea brusca a apei in tuburile caldarii;
vaporizarea brusca a apei in colectorul caldarii;
stagnarea circulatiei apei si aburului in tuburile caldarii acvatubulare;
fenomenul de fierbere turbulenta a apei in colectorul caldarii.
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ce semnifica elementele din figura CAN 64?:
2- ventil, 3-corpul armaturii;
1- corpul armaturii, 4-contragreutate;
3-tija, 2- element de reglare;
4-contragreutate, 1-organ de inchidere
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ce semnifica elementul prezentat in figura CAN 65?:
robinet de purjare continua;
robinet de purjare intermitenta;
supapa dubla de siguranta;
cap de alimentare.
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ce semnifica marimea c1 in diagrama triunghiurilor de viteza la o turbina cu abur?:
viteza absoluta a aburului la intrarea in palete;
viteza absoluta a aburului la iesirea din palete;
viteza relativa a aburului la intrarea in palete;
viteza relativa a aburului la iesirea din palete.
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