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1. Determine the capillary rise for a water-air-glass interface at 40°C in a clean glass tube having a radius of 1 mm.
2. Determine the difference in pressure between the inside and outside of a soap film bubble at 20 °C if the diameter of the bubble is 4 mm.
3. An open, clean glass tube, having a diameter of 3 mm, is inserted vertically into a dish of mercury at 20°C. Determine how far the column of mercury in the tube will be depressed for a contact angle of 130°.
What is the thermal conductivity and its uncertainty, assuming no heat losses and that the sample dimensions are known exactly?
portable electric heaters are commonly used to heat small rooms. explain the energy transformation involved during the
a heat pump has a coefficient of performance that is 50 of the theoretical maximum. it maintains a house at 20degc
For these conditions determine the mass flow rate per unit frontal area. Assume isentropic flow and calculate the exit Mach number and the static pressure ration across the cascade.
Design Quality Chains for the critical functional parameters of the suggested design 25%.Create the Quality chains required for the specific assembly which will guarantee the workability of the design; Short Quality chains can be graphically repres..
Derive an expression for the electric energy generation per unit of air volume stored in a cavity for a CAES system. Assume that there are two expansion stages and express the work output as the sum of the output from the two stages. The system op..
the rectangular plate is rorating about its corner axis through o with a constant angular velocity omega 10 rads.
Create a segment of a recognizable tune consisting of 5-6 notes, possibly with spaces in between. Search web sources to find the frequencies of familiar music notes (for example the frequency of A4 is 440Hz, of A5 is 880Hz, of C5 is 523.25Hz).
1. An engine using a polyatomic (atoms not in a row) ideal gas is driven by this cycle: from A to B, the pressure increase to 3 times its original pressure while keeping V constant; from B to C, it expands adiabatically until it reaches 4 times th..
Two solid cylindrical rods AB and BC are welded together atB and loaded as shown
assume that a jet touches down 170 mph and its speed is reduced to zero in 240 ft. assuming a constant deceleration
an ideal gas of mass 2 kg is contained within a rigid cylinder and undergoes a cycle which consists of three separate
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