a) Computational only b) A combination of Computational and Experimental c) Analytical only d) Experimental only Answer: b Explanation: ...
View QuestionFor optimization of designs, CFD is ___________
a) Slow and expensive b) Cost-effective but slow c) Fast but expensive d) Cost-effective ...
View QuestionCFD can give ____________ results than experiments.
a) Detailed b) Accurate c) Reliable d) Approximate Answer: a Explanation: Flow properties at only particular points can be ...
View QuestionWhy ideal conditions should be simulated in CFD?
a) Experimental analysis is impossible for ideal conditions b) Experimental set-up will have imperfections c) Experimental set-up will lead ...
View QuestionWhat is the advantage of numerical methods over analytical method?
a) Speed b) Cost c) Flexibility d) Time Answer: c Explanation: Analytical methods of solving a problem is not ...
View QuestionWhat is the disadvantage in predicting a complex problem with a very limited objective in CFD?
a) Time-consuming b) Impossible to solve c) Slower d) Expensive Answer: d Explanation: For difficult problems with complex geometry, ...
View QuestionComputational investigation is _____________ experimental investigation.
a) Faster than b) At the same speed of c) Slower than d) Cannot be compared Answer: ...
View QuestionThis created a problem in modelling supersonic blunt nose.
a) Change of flow equations from elliptic to hyperbolic b) High speed with high temperature c) Supersonic Mach number
View QuestionWhat would be the major difference between aerodynamic and hydrodynamic analyses?
a) Temperature b) Reynolds Number c) Velocity d) Domain Answer: b Explanation: Reynolds number of the flow ...
View QuestionWhich is not an internal analysis?
a) Combustion b) Turbulence c) Flow over compressor d) Exhaust pipes Answer: c Explanation: Flow over the compressors actually ...
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