• Aucun résultat trouvé

QUIZ 3 – Report

N/A
N/A
Info
Télécharger
Protected

Academic year: 2022

Partager "QUIZ 3 – Report"

Copied!
2
0
0

Chargement.... (Voir le texte intégral maintenant)

Texte intégral

(1)

QUIZ 3 – Report

General

Total number of students 24

Attended 21

Missed 3

Average grade 8.31

Standard deviation of grades 0.93

Grade distribution

Grade history

(2)

Attendance history

Comparison with last three years

Comments

• Some students did not treat the geometry as a 2D section; instead, they used cylindrical coordinates.

• Some student did not include the inlet in the momentum equation.

• Some students, when computing 𝑉𝑉 ∙ 𝑛𝑛 at the outlet section, did not use the angle 𝜃𝜃/2; instead, they used 𝜃𝜃.

Références

Télécharger maintenant ( PDF - 2 Page - 115.57 KB )

Documents relatifs

QUIZ 2 – Report

Standard deviation of grades 1.74.

QUIZ 3 – Report

Some used conservation of volume flow rate (ignoring the change in density), some applied Bernoulli equation. • 30% of students did not consider the fuel flow rate in the

QUIZ 4 – Report

• Most of the students considered the left end of the pipe (located at -6m from the free surface) as section 1 when using the energy equation, instead of the free

QUIZ 5 – Report

• 97.56% of students did not solve the angular momentum equation including the relative motion term (- Rω) in order to determine the rotation rate if there is no

QUIZ 6 – Report

Instead they imposed the shear stress equal to zero. • Some students made

QUIZ 7 – Report

• Many students obtained four Pi groups instead of five since their total number of variables was seven (instead of eight). • Some students made calculation mistakes in deriving

QUIZ 8 – Report

• Few students did not simplify correctly the momentum equation; consequently, they got a differential equation difficult to solve. • Few students made mistakes in solving

QUIZ 9 – Report

• Some students made mistakes in calculating Froude and Weber numbers and got consequently wrong velocity/viscosity/surface