Related Questions

If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.
A Parabolic
B Hyperbolic
C Linear
D Logarithmic
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
A Hyperbolic
B Parabolic
C Linear
D Logarithmic
In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
A Low
B Very low
C High
D Very high
Steady non-uniform flow is exemplified by flow through a/an
A Long pipe at constant rate
B Long pipe at decreasing rate
C Expanding tube at increasing rate
D Expanding tube at constant rate
Steady uniform flow is represented by flow through a/an
A Long pipe at constant rate
B Long pipe at decreasing rate
C Expanding tube at constant rate
D None of these
Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
A $$\frac{\partial }{{\partial {\text{s}}}} = 0$$
B $$\frac{\partial }{{\partial {\text{t}}}} = 0$$
C $$\frac{\partial }{{\partial {\text{s}}}} = {\text{constant}}$$
D $$\frac{\partial }{{\partial {\text{t}}}} = {\text{constant}}$$
Bonds can provide "a steady flow of income" to help "of living expenses ", which makes them especially suitable "for retired people".
A a steady flow
B of income
C of living expenses ,
D for retired people
Steady flow occurs when
A the direction and magnitude of the velocity at all points are identical
B the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time
C the magnitude and direction of the velocity do not change from point to point in the fluid
D the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
In the case of steady flow of a fluid, the acceleration of any fluid particle is
A Constant
B Variable
C Zero
D Zero under limiting conditions
According to Bernoulli's equation for steady ideal fluid flow
A Principle of conservation of mass holds
B Velocity and pressure are inversely proportional
C Total energy is constant throughout
D The energy is constant along a streamline but may vary across streamlines

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