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1. At 60°C the surface tension of water is 0.0662 N/m and that of mercury is 0.47 N/m. Determine the capillary height changes in these two fluids when they are in contact with air in a glass tube of diameter 0.55 mm. Contact angles are 0° for water and 130° for mercury.
2. Determine the diameter of the glass tube necessary to keep the capillary-height change of water at 30°C less than 1 mm.
problem 110degc water is flowing in a 10-mm diameter smooth tube. the mass flow rate of the water is 0.15 kgs. the
Within the last month, the raw material price and consumable price combined has increased by 5.5%. If the throughput was 5 parts/hour estimates the future throughput that has to take place in order to maintain a constant production cost. Consider the..
air with mass flow rate of 0.4 kgs enters an insulated compressor operating at steady state.determine the power
a temperature scale is defined by the equation tsti lim pi-0 pspi1.36609 as in gas thermomery but now the reaumur
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A 1/10 scale model is to be constructed to verify the performance targets of the prototype turbine and to determine its cavitation limits. The head of water available for the model tests is 5.0 m. When tested under dynamically similar conditions a..
Ammonia at 10ºC and mass 10 kg is in a piston cylinder with an initial volume of 1 m3. The piston initially resting on the stops has a mass such that a pressure of 900 kPa will float it. Now the ammonia is slowly heated to 50ºC. Find the final pressu..
Find the adiabatic flame temperature for methane burned in: (a) 110% theoretical air and (b) 110% theoretical oxygen enriched air (30% O2, 70% N2 by volume) Please explain in DETAIL
A tube viscometer was used to measure the viscosity of a clay suspension at 20°C. The tube radius is 2.5 cm and length is 1 m The following data have been collected (see the Table on right). The shear rate at the wall can be approximated to be 4Qz..
An electric ficld is applied in the x-y plane at a 45 degree angle to the x-axis. Taking the electron to be initially at rest, determine its direction of motion in the x-y plane.
Both Diamond and Graphite are made from carbon. However diamond is considered the hardest material while graphite is brittle and slippery. Explain this difference from atomic bonding view point - Which chromium plating is more eco-friendly - trival..
Show a graph comparing the centre temperature only against time for different temperatures. Annotate to identify important features and explain the meaning of graph - Write a short summary paragraph highlighting advice you would give to the novice..
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