In Laminar flow, the friction factor
A. increases with Reynolds number
B. decreases with Reyonds number
C. depends only upon the velocity of the fluid and increases with the velocity of the fluid
D. depends only upon the density of the fluid and increases with the density of the fluid
Answer: Option B
The extending the polymer chain by successive addition of monomers units is called
A. Propagation
B. Termination
C. Both A and B
D. None of these
If Reynolds number is greater than 1, then the
A. Viscous force is larger than the inertia force
B. inertia force is larger than the viscous force
C. inertia force is larger than the surface tension force
D. inertia force is larger than the gravitational force
Which is the correct (degree) temperature range for spherodized carbide in low carbon steel
A. 750-950°C
B. 950-1150°C
C. 550-750°C
D. None of these

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