Test Part 1 (Clo 1)
You have only 60 minutes to answer all questions. After you have taken test part 1, please proceed to take test part 2. Good luck!
- 1.Define specific weight
- A.
Specific weight is mass that affected by gravitional force.
- B.
Specific weight is weight per volume
- C.
Specific weight is mass per volume
- D.
Specific weight is ratio between density liquid and density of water at 40C.
- 2.If the depth of water is 15m below the water surface. Given Patm = 200kN/m2. Calculate its gauge pressure and its absolute pressure.
- A.
1471.5 N/m2, 34.715 kN/m2
- B.
1471500 N/m2, 3471.50 kN/m2
- C.
147.150 N/m2, 3.4715 kN/m2
- D.
147150 N/m2, 347.15 kN/m2
- 3.
![Given a = 90cm and b = 30cm. Calculate pressure in pipe N if the pressure in pipe M is 13.14 kN/m2
* a is the other side of b - ProProfs]( "Given a = 90cm and b = 30cm. Calculate pressure in pipe N if the pressure in pipe M is 13.14 kN/m2
* a is the other side of b")
Given a = 90cm and b = 30cm. Calculate pressure in pipe N if the pressure in pipe M is 13.14 kN/m2 * a is the other side of b- A.
8829 Pa
- B.
7254 Pa
- C.
882.9 Pa
- D.
725.4 Pa
- 4.Which of the following is minor loses in pipe
- A.
Friction in pipe
- B.
Inlet and exit transitions
- C.
Bends and elbows
- D.
Expansion and contraction
- 5.A 400 liter/s of water is flowing through a pipe from A to B. The diameter of section A and section B of the pipe is 16cm and 32 cm. Calculate its velocity of flow at section A and B
- A.
Velocity at A is 4.98 m/s, velocity at B is 19.9 m/s
- B.
Velocity at A is 0.0201 m/s, velocity at B is 0.0804 m/s
- C.
Velocity at A is 19.9 m/s, velocity at B is 4.98 m/s
- D.
Velocity at A is 0.0804 m/s, velocity at B is 0.0201 m/s
- 6.Calculate the energy loss due to friction in the 55000cm length of pipe and diameter of 120mm when the flow rate is 1.65 m3/min. Given friction factor, f = 0.015.
- A.
2.434m
- B.
83.04m
- C.
18.434m
- D.
8.304m
- 7.In an experiment, a density of liquid is 855 kg/m3. Calculate the specific weight of the liquid
- A.
8387.55 N/m3
- B.
0.855
- C.
855000 kg/m3
- D.
9368.55 N/m3
- 8.Mass of a liquid is 5kg. Calculate its weight.
- A.
49.05 N/m2
- B.
5000 N
- C.
49.05 N
- D.
4.905 N
.png "Given a = 90cm and b = 30cm. Calculate pressure in pipe N if the pressure in pipe M is 13.14 kN/m2
* a is the other side of b")
Questions: 20 | Attempts: 336 | Last updated: Dec 14, 2012
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