Related Mcqs:

1. __________________ fluid force is not considered in the Navier-Stokes equation?

   A. Turbulent
   B. Viscous
   C. Gravity
   D. Pressure

2. In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is ______________ °C?

   A. 20
   B. 60
   C. 120
   D. ∞

3. Consideration of the creep is the most important in case of the_____________________?

   A. Blades of gas turbine
   B. Piston of an I. C. engine
   C. Flywheel of steam engine
   D. Cycle chain

4. Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?

   A. p
   B. 2 p
   C. 0.5 p
   D. 0.25 p

5. A fluid is termed as the Newtonian fluid, when the shear stress is _________________ the velocity gradient ?

   A. Independent of
   B. Inversely proportional to
   C. Directly proportional to
   D. None of these

6. Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30% ?

   A. 9,100
   B. 13,000
   C. 7,000
   D. 2,550

7. A dummy activity is used in PERT network to describe the_____________________?

   A. Precedence relationship
   B. Resource idleness
   C. Resource restriction
   D. Necessary time delay

8. Sudden fall of atmospheric pressure by a large amount is an indication of the_____________________?

   A. Rain
   B. Cold wave
   C. Storm
   D. Fair weather

9. A dense structure of grinding wheel is not used for the_____________________?

   A. Ductile material
   B. Hard materials
   C. Brittle materials
   D. Finishing cuts

10. A compact estimate about the amount of materials handling between various work stations is obtained from the_____________________?

    A. Gantt chart
    B. Bin chart
    C. String diagram
    D. Travel chart