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Q. Briefly explain Model scale design?
Knowledge of dynamic similarity conditions enables evaluation of model scales. Almost alI the problems related to river hydraulics are about gravity flow and hence required to follow the condition of equality of Froude Number. In evolving model scales for such problems it is logical to classify models of different types and consider them separately. First broad classification is according to nature of boundary- rigid boundary and mobile boundary models. Next grouping in each category can be according to geometry - whether geometricalIy similar or dissimilar on account of vertical exaggeration.
Reduce system to a single force: Q: A system of parallel forces is acting on rigid bar as shown in the figure given below. Reduce this system to a single force
Calculate stress intensity factor: For the plate in Figure (a) W = 25 mm, 2a = 10 mm, plate thickness, t = 2 mm, Load P = 1000 N. Calculate stress intensity factor if length o
Q. Nitrogen storage and vaporizer? Bulk cryogenic storage of nitrogen must be located away from process equipment, preferably at the edge or corner of the process area where fi
Q. Use of High temperature material in Superheaters? Typically superheaters and reheaters provide service lives of approximately 15 years (i.e. half the expected service life o
Calculate the centroid (use point A as the reference) and the moment of inertia of the shape shown in Figure. The dimensions are given in centimeters. Calculate the moment
A second order system defined by Where r(t) is a unit step function. Calculate the damping ratio, damped natural frequency, undamped natural frequency, peak overshoot occurs, ri
describe advantages of limitation and effect of cold working?
Find out the number of revolution: A flywheel of mass 20 kg and radius 100 mm is made to rotate at 600 RPM. Determine the KE of the flywheel. If the frictional couple at its b
Tension in the strings: Sol.: When weight is attached to string then it will be in tension. The diagrams are shown below to describe this particular concept.
What do you mean by thermodynamic equilibrium? Compare irreversible process with reversible process. Give some examples of irreversible process.
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