Test Part 1 (Clo 1)

8 Questions | Total Attempts: 33

SettingsSettingsSettings
Please wait...
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!


Questions and Answers
  • 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
    • 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

Back to Top Back to top