Related Questions

In an incompressible flow of fluid, the fluid
A Temperature remains constant
B Compressibility is greater than zero
C Density does not change with pressure & temperature
D Is frictionless
The co-efficient of drag and lift for an incompressible fluid depends on the
A Reynolds number
B Froude number
C Mach number
D All of the above
STP-তে একটি আদর্শ গ্যাসকে প্রথমে তার প্রাথমিক আয়তনের এক-তৃতীয়াংশে সংকুচিত করা হয়, এবং তারপর প্রসারিত হতে দেওয়া হয় যতক্ষণ না তার চাপ প্রাথমিক চাপের অর্ধেক হয়। উভয় প্রক্রিয়ায় গ্যাসের তাপমাত্রা স্থির থাকে। যদি গ্যাসের প্রাথমিক অভ্যন্তরীণ শক্তি । হয়ে থাকে তাহলে এর চূড়ান্ত অভ্যন্তরীণ শক্তি কত? (An ideal gas at STP is first compressed to one-third of its initial volume and then allowed to expand until its pressure is half the initial pressure. The temperature of the gas remains constant during both the processes. If the initial internal energy of the gas is U, what is its final internal energy?)
A U/3
B U/2
C U
D 2U/3
The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream
A Keeps on increasing
B Keeps on decreasing
C Remain constant
D May increase/decrease
For an ideal gas, the internal energy depends upon its __________ only.
A Molecular size
B Temperature
C Volume
D Pressure
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of
In an incompressible fluid, the density is
A Greatly affected by moderate changes in pressure
B Greatly affected only by moderate changes in temperature
C Not affected with moderate change in temperature & pressure
D Sensible to changes in both temperature & pressure
For an incompressible fluid, the bulk modulus of elasticity is
A 5 kg/m3
B $$\infty $$ N/m2
C 1 N
D 0 N/m
With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field)
A Decreases
B Increases linearly
C Increases exponentially
D Remains constant
For an incompressible fluid, the __________ is a function of both pressure as well as temperature.
A Internal energy
B Enthalpy
C Entropy
D All of the above

Next steps