Larger length & diameter water pipes are made by____________________?

Related Mcqs:

1. Large diameter reinforced cement concrete (RCC) pipes are generally joined by ____________________ joint ?

   A. Flanged iron
   B. Collar
   C. Flexible
   D. Expansion

2. The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe) ?

   A. A
   B. D
   C. 1/A
   D. 1/A2

3. A jet engine turbine blade is normally manufactured by____________________?

   A. Forging
   B. Shell moulding
   C. Investment casting
   D. Pressure die casting

4. Dry saturated steam can be converted into super heated steam by____________________?

   A. Increasing its cross-sectional area of flow
   B. Passing it through a pressure reducing valve
   C. Forcing it downwards through a vertical tube
   D. None of these

5. In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is ?

   A. Less
   B. More
   C. Equal
   D. Unpredictable

6. ______________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently ?

   A. Collar
   B. Flanged
   C. Bell and Spigot
   D. Expansion

7. Lead is poured into the joint between two _______________ pipes ?

   A. Mild steel
   B. Concrete
   C. Cast iron
   D. Asbestos cement

8. Lead is poured into the joints between two ___________________ pipes?

   A. Cast iron
   B. Steel
   C. Concrete
   D. Plastic

9. Steel & cast iron pipes are produced by ______________ casting ?

   A. Slush
   B. Die
   C. Investment
   D. True centrifugal

10. Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in ______________ position ?

    A. Horizontal
    B. Vertical
    C. Inclined
    D. Any