I.D. of 1/4″ schedule 40 pipe is 0.364″. I.D. of a 1/2″ schedule 40 pipe would be ______________ inch?

Related Mcqs:

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

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

2. Discharge from a 24 inch pipe of water at 10 ft/sec will be _____________ ft3/sec?

   A. 7.65
   B. 32.36
   C. 48.22
   D. 125.6

3. The pressure drop per unit length of pipe incurred by a fluid ‘X’ flowing through pipe is Δp. If another fluid ‘Y’ having both the specific gravity & density just double of that of fluid ‘X’, flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be__________________?

   A. Δp
   B. 2Δp
   C. Δp2
   D. Δp/2

4. A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?

   A. VX = V0 + q (x3/L2D)
   B. VX = V0 + ⅓q (x3/L2)
   C. VX = V0 + 2q (x2/LD)
   D. VX = V0 + (4/3) q (x3/L2D)

5. For laminar flow of Newtonian fluid in a circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the centre line of the pipe, and it follows a ______________ relationship?

   A. Logarithmic
   B. Parabolic
   C. Hyperbolic
   D. Linear

6. The velocity profile exhibited by laminar flow of Newtonian fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an ______________ with the apex at the centre line of the pipe?

   A. Hyperbola
   B. Parabola
   C. Semi-circle
   D. Semi-ellipse

7. The schedule number of a pipe is an indication of its_________________?

   A. Size
   B. Roughness
   C. Material density
   D. Wall thickness

8. Schedule number of a pipe, which is a measure of its wall thickness, is given by ________________?

   A. 1000 P’/S
   B. 100 P’/S
   C. 1000 S/P’
   D. 10000 P’/S

9. For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the wall of the pipe and the friction velocity ‘v’, and it follows a _____________ relationship?

   A. Logarithmic
   B. Linear
   C. Hyperbolic
   D. Parabolic

10. What is the ratio of the velocity at the axis of the pipe to the mean velocity of flow in case of pipe flow under viscous condition ?

    A. 0.5
    B. 0.67
    C. 1
    D. 2