Fluid dynamics
Fluid dynamics is a Science & Technology concept from the MPSC syllabus, tested in 2 past MPSC questions (2024, 2025). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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Real questions that test this
खालीलपैकी कोठे बर्नोली समीकरणाचा उपयोग नाही ? / Which one of the following is not an application of Bernoulli equation ?
Bernoulli's equation is based on conservation of energy for fluid flow, applied in various engineering and natural phenomena. Options not based on this principle are treated as correct answers for 'not an application'.
तापमान वाढीचा परिणाम वायूच्या मितप्रवाहीपणा/स्निग्धता (viscosity) वर कसा होतो ? What is the effect of increase in temperature on viscosity of gases ?
Unlike liquids where viscosity decreases with temperature, the viscosity of gases increases with an increase in temperature because higher temperature increases molecular collision rates and momentum transfer.