Exam (elaborations)
Gasturbine performance exam 7.7
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Gasturbine performance exam
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TENTAMENVOORBLADvoor aanvang van het tentamen de tentamengegevens goed doorlezen
IN TE VULLEN DOOR STUDENT
NAAM STUDENT
STUDENTNUMMER
STARTJAAR
OPLEIDING
IN TE VULLEN DOOR DOCENT/EXAMINATOR
OPLEIDING Aviation
LESVORM Voltijd
STUDIEGIDSNR 2100GTPE14
VAKOMSCHRIJVING Gasturbine Performance
SOORT TENTAMEN Herkansing
NAAM DOCENT Marc Bremer
2E LEZER (controleur) Raymond Teunissen
AANTAL OPGAVEN 20 MC vragen + 3 open vragen
AANTAL BLADZIJDES 6
SOORT PAPIER Ruitjespapier + kladpapier
NORMERING 1 + 1/10 * punten open vragen + 57/150 * (goede MC vragen – 5)
TENTAMEN
SOORT OPMERKINGEN
Rekenmachine JA
Grafische rekenmachine JA
HULPMIDDELEN Aantekeningen JA 1 dubbelzijdig met de
hand beschreven A4tje
Boek JA Engels woordenboek
Formules JA Op hiervoor genoemd
A4tje
Tentamenopgaves JA Alle papieren inleveren
inleveren
BIJZONDERHEDEN
DATUM TENTAMEN
TIJDSDUUR 100 minuten
TIJDSTIP
CONTACT O&S Kamer A5.02
06 – 2115 6283
OPMERKINGEN Dyslexieregeling (alleen na goedkeuring van examencommissie):
50 minuten tentamen = 15 minuten verlenging
≥ 100 minuten tentamen = 25 minuten verlenging
, Reciprocating Engines
1. Which one(s) of Newtons Laws do we need to explain propulsion of an aircraft ?
a. both the 2nd and the 3rd
b. neither the 2nd nor the 3rd
c. only the 2nd
d. only the 3rd
2. During a cycle of a reciprocating engine a piston makes 4 strokes: 2 times up and 2 times
down. During how many of these strokes is the piston driving the shaft ? (And NOT the shaft
driving the piston.)
a. 1
b. 2
c. 3
d. 4
3. In an ideal gas molecules:
a. cannot escape from each other
b. exert a force on each other
c. have zero volume
d. make plastic collisions with each other
4. In a reciprocating engine the gas is compressed during an ... process.
a. adiabatic
b. isobaric
c. isochoric
d. isothermal
Gas Turbines
5. In the inlet of a turbofan the temperature of the airflow (1) ... and the total temperature
(2) ....
a. (1) decreases; (2) stays the same
b. (1) decreases; (2) increases
c. (1) increases; (2) stays the same
d. (1) increases; (2) increases
6. The largest fuel / air ratio is needed in a combustion chamber with a (1) ...
inlettemperature and a (2) ... temperature increase:
a. (1) high; (2) high
b. (1) high; (2) low
c. (1) low; (2) high
d. (1) low; (2) low
7. If the TAS increases the specific thrust will:
a. drop, because more air flows through the engine
b. drop, because less fuel can be supplied to 1 kg of air
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