Q1: Capillary rise in tube depending on the tube diameter, specific volume, dynamic viscosity, and surface tension. Determine a suitable set of a term using MLT system. (Use surface tension and dynamic viscosity as repeating variables).
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- PLEASE ANSWER THEM ALL FOR AN UPVOTE. THANK YOU. Given: Pi constant to be used: 3.14159 Capillary tube: radius = 0.02 cm; length = 9 cm; pressure = 0.7 mmHg Liquid sample: density = 4 ml; time of flow = 4.5 seconds Ans. the ff questions. •What is the pressure in MKS unit? •What is the pressure in CGS unit? •What is the viscosity of the liquid? • If the weight was given as 8.5 grams, what will be the density of the liquid? •What is the kinematic viscosity of the liquid? •What is the fluidity of the liquid?C1 (a). A lubricating oil having the dynamic viscosity of 0.058 poise and kinematic viscosity of 0.19 stokes. Calculate ) the density of oil in kg/m³, (ii) the weight density of oil in N/m3,(iii) the specific gravity, and (iv) the specific volume in m3/kg. C1 (b). Calculate the capillary effect in mm in a glass tube of 4.4 mm diameter, when immersed in (1) water (2) mercury. The values of surface tension in contact with air are 0.0756 N/m and 0.74 N/m respectively. The contact angle for water =0° and mercury = 130°. ( (Enter only the values by referring to the unit given. Also, upload the handwritten answers in the link provided) C1(a).(1).The density of oil in kg/m3 C1(a). (ii) the weight density of oil in N/m3 C1(a). (iii) the specific gravity C1(a). (iv) the specific volume in m?/kg C1 (b). 1.The capillary effect (water) in mm ----- C1 (b). 2.The capillary effect (mercury) in mm(b) The kinematic viscosity of a fluid used for model is one third of the kinematic viscosity of the fluid used for prototype. During testing of the model, if viscosity and gravity forces are predominant, find the scale ration, velocity ratio and discharge ration
- C1 (a). A lubricating oil having the dynamic viscosity of 0.055 poise and kinematic viscosity of 0.17 stokes. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3,(iii) the specific gravity, and (iv) the specific volume in m3/kg. C1 (b). Calculate the capillary effect in mm in a glass tube of 4.4 mm diameter, when immersed in (1) water (2) mercury. The values of surface tension in contact with air are 0.0737 N/m and 0.54 N/m respectively. The contact angle for water =00 and mercury =1300. (Enter only the values by referring to the unit given. Also, upload the handwritten answers in the link provided) C1(a).(i).The density of oil in kg/m3 C1(a). (ii) the weight density of oil in N/m3 C1(a). (iii) the specific gravity C1(a). (iv) the specific volume in m3/kg C1 (b). 1.The capillary effect (water) in mm C1 (b). 2.The capillary effect (mercury) in mmPi constant to be used: 3.14159 Capillary tube: radius = 0.02 cm; length = 9 cm; pressure = 0.7 mmHg Liquid sample: density = 4 ml; time of flow = 4.5 seconds Determine (a) pressure in MKS unit, (b) pressure in CGS unit, (c) the viscosity of the liquid, (d) If the weight was given as 8.5 grams, what will be the density of the liquid? (e) the kinematic viscosity of the liquid? (f) and the fluidity of the liquid?C1 (a). A lubricating oil having the dynamic viscosity of 0.056 poise and specific gravity of 1.17. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3, (iii) the kinematic viscosity in stokes, and (iv) the specific volume in m3/kg. C1 (b). The capillary effect in a glass tube of 2.8 mm diameter, when immersed in (1) water and (2) mercury are 7.7 mm and -3.5 mm respectively. Calculate the value of surface tension in contact with air for water and mercury in N/m. Take, the contact angle for water =0° and mercury =130°. C1(a). (i).the density of oil in kg/m3 C1(a). (ii) the weight density of oil in N/m3 C1(a). (iii) the kinematic viscosity in stokes C1(a). (iv) the specific volume in m3/kg C1 (b). 1.the value of surface tension (water) in N/m C1 (b). 2. the value of surface tension (mercury) in N/m
- Q/ From the table of water properties at average temperature T, find the water properties: density p, viscosity µ. Then calculate: The cross section area of chamber A= T/4 d2 (cm2 ) The pressure difference along L AP=p g h (atom) Volumetric flow rate q=Q/t (cm3 /s) and finally calculated permeability (Darcy D) qul ΑΔΡ Repeat these reading three time and then find the average of permeability. The informations are : D = 9.9 cm L = 25 cm T= 22 °C V (cc) 600 t (sec) 187 H1 (cm) 108 3 H2 (cm) No 1 2 600 176 109 4 3 600 184 107 3C1 (a). A lubricating oil having the dynamic viscosity of 0.058 poise and specific gravity of 1.11. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3,(iii) the kinematic viscosity in stokes, and (iv) the specific volume in m³/kg. C1 (b). The capillary effect in a glass tube of 2.6 mm diameter, when immersed in (1) water and (2) mercury are 7.4 mm and -3.5 mm respectively. Calculate the value of surface tension in contact with air for water and mercury in N/m. Take, the contact angle for water =0° and mercury =130°. C1(a).(i).the density of oil in kg/m3 C1(a). (ii) the weight density of oil in N/m3 C1(a). (iii) the kinematic viscosity in stokes C1(a). (iv) the specific volume in m³/kg C1 (b). 1.the value of surface tension (water) in N/m C1 (b). 2. the value of surface tension (mercury) in N/mHEATING UNIT THERMOMETER LIQUID BATH Fluid CONTAINER CORK 60 CC- RESERVOIR Figure 4: Schematic for SAYBOLT viscometer. a) Explain the operation procedures and constraints of the different viscometers especially the used one. b) Explain, with examples, the effects of temperature and shear forces on theNewtonian and non-Newtonian fluids. c) Illustrate the results of the viscosity test of the above motor oil then f it the viscosity function of temperature to the following logarithmic quadratic correlation as described below. Find the values for the constants a, b, and c. Takeu at T = 0°C. То + c T 10 In- = a + b Mo T d) What is the viscosity of the used above equation motor oil at 280 K, 305 K and 3 20 K? You can use the
- flued mechanics The inclined manometer at Fluid Dynamic laboratory at E5 has broken. You are tasked to design a new inclined manometer as shown in Figure 1. The design task is to decide what is the proper manometric fluid to be used, angle of inclination (θ), and the length of the vertical (L1) and inclined (L2) leg of the manometer. Since the manometer is mainly used together with Pitot-Static tube to measure air velocity it needs to be sensitive to a small pressure difference which in the range of 5 to 50 Pa. It should be notice that the manometer should fit in a compartment which has 15 cm-height and 80 cm-length. The inclination angle should be at least 5°. The temperature in the lab is around 27 °C to 37 °C. The manometric fluid should fulfil the following criteria: The fluid should have a low vapour pressure (A liquid with high vapour pressure would be less sensitive to changes in pressure) The fluid should have low surface tension to avoid the capillary rise. High boiling…C1 (a). A lubricating oil having the dynamic viscosity of 0.058 poise and kinematic viscosity of 0.14 stokes. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3, (i) the specific gravity, and (iv) the specific volume in m3/kg. C1 (b). Calculate the capillary effect in mm in a glass tube of 3.6 mm diameter, when immersed in (1) water (2) mercury. The values of surface tension in contact with air are 0.0743 N/m and 0.75 N/m respectively. The contact angle for water =0° and mercury =130°. C1(a).(i).The density of oil in kg/m3 C1(a). (ii) the weight density of oil in N/m3 C1(a). (iii) the specific gravity C1(a). (iv) the specific volume in m3/kg C1 (b). 1.The capillary effect (water) in mm C1 (b). 2.The capillary effect (mercury) in mmAn oil drop with the diameter of 1mm, is in the contact with the air with the pressure of 80 KN/m2. i. Find the dimension of surface tension in MLT system [10 Marks] ii. If the surface tension of the drop be 42.27x10 N/m, find the pressure difference of the drop. [10 Marks] iii. Calculate the internal pressure of the drop. [10 Marks] iv. Explain briefly, if the oil drop replace by oil bubble, what changes will happen in internal pressure? [10 Marks]