If more than two branches of pipes are to be connected at the same point, then use a/an_________________?

Related Mcqs:

1. A pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/sec, the average velocity through the bifurcated pipes is__________________?

   A. 20 m/sec
   B. 10 m/sec
   C. 5 √2 m/sec
   D. 5 m/sec

2. If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). ?

   A. Q = Q1 + Q2 + Q3
   B. V1 = V2 = V3
   C. Q1 = Q2 = Q3
   D. f = f1 + f2 + f3

3. Unsteady non-uniform flow is represented by flow through a/an_________________?

   A. Long pipe at constant rate
   B. Long pipe at decreasing rate
   C. Expanding tube at increasing rate
   D. Expanding tube at constant rate

4. Unsteady uniform flow is represented by flow through a/an_________________?

   A. Long pipe at constant rate
   B. Long pipe at decreasing rate
   C. Expanding tube at increasing rate
   D. Expanding tube at constant rate

5. In the complete turbulence zone (in rough pipes), the____________________?

   A. Rough and smooth pipes have the same friction factor
   B. Laminar film covers the roughness projections
   C. Friction factor depends upon NRe only
   D. Friction factor is independent of the relative roughness

6. In case of end to end connection of two or more pipes in series, the ______________ each pipe?

   A. Same rate of flow passes through
   B. Head loss is same through
   C. Rate of flow in each pipe is proportional to the length of
   D. Total flow rate is the sum of flow rate in

7. The valve commonly used in pipes larger than 2″ dia is a______________?

   A. Globe valve
   B. Plug-cock
   C. Gate valve
   D. Check valve

8. Pipes having diameter 14 inches or more are designated by their_________________?

   A. Outside diameter
   B. Inside diameter
   C. Schedule number
   D. None of these

9. For pipes that must be broken at intervals for maintenance, the connector used should be a/an__________________?

   A. Union
   B. Tee
   C. Reducer
   D. Elbow

10. During ageing of fluid carrying pipes, the__________________?

    A. Pipe becomes smoother with use
    B. Friction factor increases linearly with time
    C. Absolute roughness decreases with time
    D. Absolute roughness increases linearly with time