Q. What is the dimension of length?

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Q. What is the dimension of time?

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Q. If there are n variables in a dimensionally homogeneous equation and if these variables contain m primary dimensions, then the variables can be grouped into how many non-dimensional parameters?

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Q. Which of the following is not known as core group?

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Q. What is the dimension of resistance?

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Q. The resistance R experienced by a partially submerged body depends upon the velocity V, length of the body l, viscosity of the fluid µ, density of the fluid p and gravitational acceleration g. Establish a relation between involving non-dimensional groups

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Q. If there are 6 physical quantities and 3 fundamental units, then the number of pi terms are

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Q. The study of predicting prototype conditions from model observations is known as

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Q. S.I unit of heat is

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Q. S.I unit of coefficient of volumetric expansion is

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Q. S.I unit of specific heat is

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Q. S.I unit of dynamic viscosity is

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Q. Which is a full size structure employed in the actual engineering design?

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Q. Which term refers to the theory and art of predicting prototype conditions from model observations?

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Q. The results obtained from experiments on models can be applied to prototype only if a complete similarity exists between the model and prototype and for that the two systems may be

(i) Geometrically similar
(ii) Kinematically similar
(iii) Dynamically similar

Identify the correct statements

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Q. Geometrically similarity prescribes that the ratio of the corresponding linear dimensions of the two systems are

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Q. Thermal similarity refers to the comparison of two systems made on the basis of their

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Q. The comparison of two systems made on the basic of their temperature, specific heat and heat flus is known as

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Q. The similarity of masses and forces of the corresponding particles of flow is known as

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Q. The similarity of motion is known as

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