Suppose you make the following sequence of measurements for the segments in laying out a compressed air line: 4.61 m 211 m 0.500 m What should be the reported total length of the air line? options: 216.1 216.110 220 216.11 216
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Suppose you make the following sequence of measurements for the segments in laying out a compressed air line:
4.61 m
211 m
0.500 m
What should be the reported total length of the air line?
options:
|
|
216.1 |
|
|
216.110 |
|
|
220 |
|
|
216.11 |
|
|
216 |
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- QUESTION 1 Three pipes A, B, and C are interconnected as shown in figure 1. The pipe dimensions are as follows: D (cm) 15 10 20 Pipeline L (m) 300 0.01 B 240 600 0.01 0.005 A 15 m 25 m B Figure 1 1.1 Find the rate at which water will flow in each pipe, ignoring the shock losses at P and entry to pipelines A and B. 1.2 Find the pressure at P.THERMODYNAMICS UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS/DIAGRAMS LEGIBLY. NO LONG EXPLANATION NEEDED. USE 3 DECIMAL PLACES. BOX THE FINAL ANSWER. A pump discharges into a semi spherical tank at the bottom and cylindrical on top with a radius of 2 meters, and a total tank height of 8 meters. The flow rate is 80 gallons per minute and fluid specific gravity= 1.1. Determine the following: A) flow rate in kg/sec and time it takes to fill the tank in hours. Flow Rate and TimeTHERMODYNAMICS UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS/DIAGRAMS LEGIBLY. NO LONG EXPLANATION NEEDED. USE 3 DECIMAL PLACES. BOX THE FINAL ANSWER. A pump discharges into a semi spherical tank at the bottom and cylindrical on top with a radius of 2 meters, and a total tank height of 8 meters. The flow rate is 80 gallons per minute and fluid specific gravity= 1.1. Determine the following: A) flow rate in kg/sec and time it takes to fill the tank in hours. B) the weight in tons of the liquid if full tank local gravity is 32.1 ft/sec squared. C) volume of the tank in metric gallons. D.) how many drums will be needed to transfer all of the tank contents (tank being full) to the drums?
- POSSIBLE POINTS: 6.25 What is the highest percentage of steam quality attainable with the use of dry-pipe? 0 99.1 % 0 99.3% 0 99.5 % 0,99.8% 1 3 4 5 | 7 8 9. 10 Next P Type here to search 26°C E 1) 直PROBLEM #1: Complete the data of the table below. Copy the entire table in your paper and use a different colored pen for your answers, you may also box your answers. Show solution. T:K P: kPa H: kJ/kg U: kJ/kg State (if wet steam provides xv as well) 1 525 350 2 125 2700 3 455.15 750 4 600 Xv = 0.8 5 200 1800 PROBLEM #2 A nozzle is used to increase the velocity of steam before it enters a turbine as a part of a power plant. The steam entering is at 1 MPa, 500 K and leaves at the conditions of 350°C and 2 MPa. If the nozzle has an inlet diameter of 3 cm and an outlet diameter of 1 cm, how much is transferred during the process? Is it lost or gained?2. For Pump Omicron, the pump performance data is shown in Table 2 below. Plot a curve of best fit Havailable versus Q from 0 Lpm to 30 Lpm. State the equation represented by the curve. On the same graph, plot the Hrequired versus Q and indicate the operating point. Table 2: Pump Omicron performance data Q (LPM) H (m) 0 46.5 46 42 37 29 16.5 0.0 5 10 15 20 25 30
- Topic : Mixture Flow Problem A tank initially holds 100 gal of salt solution in which 50 Ib of salt has been dissolved. A pipe fills the tank with brine at the rate of 3 gpm, containing 2 lb of dissolved salt per gallon. Assuming that the mixture is kept uniform by stirring, a drain pipe draws out of the tank at 2pm. Find the amount of salt at the end of 30 minutes. Ans. 171.24 IbA water truck drives slowly around a construction site, spraying water to keep dust down. A pump maintains a constant pressure of 100 kPa, gage, and the water is dispersed through 20 spray nozzles, each of diameter 1 cm. If the truck is initially filled with 4000 L of water, and the flow rate is constant, determine how long the truck can drive before a refill is needed. [57.0 s]QUESTION 3 The following conversion equivalents are given: 1 gal 231 in 1 ft 12 in 1 min 60 s A pipe delivers water at the rate of 51 gal/min. The rate in ft3/s, is closest to: 0.083 0.11 0.093 0.073 0.10
- HANDWRITTEN AND FINAL ANSWER MUST BE IN ENGLISH UNITS. Show solution. An experimental gas turbine engine is under development to increase its mechanical efficiency. It has a turbine efficiency of 95% and compressor efficiency of 85%. The following parameters are provided: P1 = 550 kPa, T1 = 25 deg C, rp = 5.5, T3 = 1450 deg C, Wnet = 5500 kW. Compute for the (a) flow rate and (b) mean effective pressure. Consider Ethane as your working fluid.MECHANICAL ENGINEERING UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. SHOW THE STEP-BY-STEP PROCESS WITH SHORT COMMENT/EXPLANATION. ANSWER IN 4 DECIMAL PLACES. Two gaseous streams containing the same fluid enters a mixing chamber and leaves as a single stream. For the first gas the entrance conditions are A1=500 cm², v1=230 m/s, p1=1.60 kg/m³. For the second gas the entrance conditions are A2= 300 cm³, m2=8.84 kg/s, v2=0.502 m³/kg. The exit stream conditions is v3=130 m/s and v3=0.437 m3/kg. Determine the following: (a) the total mass flow leaving the chamber (kg/sec) (b) the velocity of the gas at 2. (m/sec)56.0 mL of two different liquids are poured through a funnel with a narrow exit tube, and the time for all of the liquid to flow through is recorded. Here are some results: time to flow through funnel trial Liquid X Liquid Y 1.60 s 3.62 s 1.52 s 3.44 s 1.44 s 3.56 s Note: the two liquids have the same density. Which statement below is true about these liquids based only on the data in the table? O The intermolecular forces in liquid X are stronger than those in liquid Y. The boiling point of liquid X is higher than the boiling point of liquid Y. The viscosity of liquid X is greater than the viscosity of liquid Y. The surface tension of liquid X is greater than the surface tension of liquid Y. The viscosity of liquid X is less than the viscosity of liquid Y. 3.