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Bernoulli's equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli's equation?
1. Fluid flow is frictionless & irrotational
2. Fluid flow is steady
3. Fluid flow is uniform & turbulent
4. Fluid is compressible
5. Fluid is incompressible
Study the following statements.i) The displacement method is more useful when degree of kinematic indeterminacy is greater than the degree of static indeterminacy.ii) The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy.iii) The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy.iv) The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy.The correct answer is
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is
For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by (where, Q = fluid flow rate, ft3/sec.ρ = fluid density, lb/ft3.μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches)
Consider the following statements: 1. A kinematic chain is the combination of kinematic pairs joined in such a way that the relative motion between them is completely constrained. 2. The degree of freedom of a kinematic pair is given by the number of independent coordinates required to completely specify the relative movement. Which of the above statements is/are correct?
Which of the following variations are true in piece part production? 1. Piece-to-piece variation 2. Time-to-time variation 3. Within-piece variation 4. Process-to-process variation
Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C.
The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.
Which of the following statement/statements explain the cause for less variation in temperature over the sea. (A) Presence of ocean currents maintain a constant temperature. (B) Most of the seas are located near the poles. (C) Sea water gets heated slowly and loses heat slowly. (D) Presence of high atmospheric pressure contributes to less variation of temperature.
Pressure variation for compressible fluid is maximum for which of the following kind of process?