Physics · Fluid Mechanics
Which one of the following statements regarding model testing and similitude is incorrect?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Models are always strictly smaller in size than their respective prototypes.✓
- 2Distorted models are generally exaggerated on a vertical scale relative to the horizontal scale.
- 3Mach number achieves significance when the velocity of the fluid approaches or exceeds the sonic velocity.
- 4Dynamic similarity between a model and a prototype can be verified by equating the Reynolds number in a viscous flow.
Correct answer
Models are always strictly smaller in size than their respective prototypes.
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