AEROSPACE ENGINEERING DEPARTMENT
USN
B.Tech. 3rd Sem TEST – II
Subject: Fluid Mechanics Session: July– Dec, 2021
Subject Code: 18AS33 Duration: 3 HRS
Date of Examination: 17-11-2021 Max Marks:10 X 10 = 100
Note:
✓ Answer all Questions and each full question carries 10 Marks.
✓ Provide neat diagrams wherever applicable.
✓ All figures related to the questions are provided at the end of the question paper.
Bloom’s
Q. Question Marks Level COs
No
1a The loss of energy in orifice meter is more than in case of 1 L1 CO3
Venturimeter because of:
a) Sudden contraction
b) Turbulence
c) Pressure variation
d) More friction
1b ______is the measure of purely random motion of the 1 L1 CO3
molecules of the gas.
a) Stagnation pressure
b) Static pressure
c) Dynamic pressure
d) Absolute pressure
1c In the relation 𝑎 = 𝑏𝑡 + 𝑐, 𝑎 and 𝑐 are measured in meters 1 L2 CO4
and 𝑡 is measured in seconds. SI unit of 𝑏 must be:
a) m
b) ms
c) s
d) m/s
1d Which of the following equations are not dimensionally 1 L2 CO4
homogeneous?
a) Δ𝑃 = 8μ𝐿𝑄/π𝑅 4
𝐿 𝑉2
b) ℎ𝑓 = 𝑓 𝐷 2𝑔𝐷
2𝛥𝑃
c) 𝑢 = √ 𝜌
d) none of the above
-1-
USN
B.Tech. 3rd Sem TEST – II
Subject: Fluid Mechanics Session: July– Dec, 2021
Subject Code: 18AS33 Duration: 3 HRS
Date of Examination: 17-11-2021 Max Marks:10 X 10 = 100
Note:
✓ Answer all Questions and each full question carries 10 Marks.
✓ Provide neat diagrams wherever applicable.
✓ All figures related to the questions are provided at the end of the question paper.
Bloom’s
Q. Question Marks Level COs
No
1a The loss of energy in orifice meter is more than in case of 1 L1 CO3
Venturimeter because of:
a) Sudden contraction
b) Turbulence
c) Pressure variation
d) More friction
1b ______is the measure of purely random motion of the 1 L1 CO3
molecules of the gas.
a) Stagnation pressure
b) Static pressure
c) Dynamic pressure
d) Absolute pressure
1c In the relation 𝑎 = 𝑏𝑡 + 𝑐, 𝑎 and 𝑐 are measured in meters 1 L2 CO4
and 𝑡 is measured in seconds. SI unit of 𝑏 must be:
a) m
b) ms
c) s
d) m/s
1d Which of the following equations are not dimensionally 1 L2 CO4
homogeneous?
a) Δ𝑃 = 8μ𝐿𝑄/π𝑅 4
𝐿 𝑉2
b) ℎ𝑓 = 𝑓 𝐷 2𝑔𝐷
2𝛥𝑃
c) 𝑢 = √ 𝜌
d) none of the above
-1-
