All pipes of a particular nominal size have the same_________________?

Related Mcqs:

1. Nominal size of the discharge pipe of a pump is usually _____________ the nominal size of the inlet pipe?

   A. Smaller than
   B. Larger than
   C. Same as
   D. Twice

2. 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

3. What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?

   A. 0.5
   B. 1
   C. 1.5
   D. 2

4. Nominal size of a pipe is an indication of its ______________ diameter?

   A. Inner
   B. Outer
   C. Approximate
   D. None of these

5. The pipe wall thickness is minimum for a pipe of given nominal size having schedule number___________________?

   A. 160
   B. 120
   C. 80
   D. 40

6. The nominal size of a hose pipe is specified by its _________________?

   A. I.D.
   B. O.D.
   C. Thickness
   D. None of these

7. Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its________________?

   A. Inner diameter
   B. Outer diameter
   C. Thickness
   D. Neither inner nor outer diameter

8. 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

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

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

10. 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