1- A beam is called statically determinate if: a) The beam is fixed at both ends b) The beam is subjected to concentrated and distributed line loads c) The equations of equilibrium are enough to solve for the reactions 2- A moment diagram can be deduced from a shear diagram. a) True b) False 3- The moment of inertia I and the section modulus S are inversely proportional a) True b) False
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- 1. A concrete beam will be constructed in a building with the cross section as shown in the following figure. For this beam, we want to determine the center of gravity of the part. What should the value be, in centimeters? Options: a) The height of the center of gravity is 9.25 cm. b) The height of the center of gravity is 11.25 cm. c) The height of the center of gravity is 11.05 cm. d) The height of the center of gravity is 75 cm. e) The height of the center of gravity is 50 cm. 2. The beam composed of three welded metal sheets is shown in the following figure. For this case, it is necessary to discover the value of the moment of inertia of the piece, in the sense shown, in order to discover whether or not the joining of these pieces is advantageous for application in a work. With this, what is the value of the moment of inertia of the section in cm^4?Question 2 options: a) The moment of inertia of the part is 2236.93 cm^4. b) The moment of inertia of the part is 5854.09 cm^4.…The algebraic sum of positive and negative work is called ______________. a. Overall Work b. Percent Work c. Resultant Work d. None of the choicesThe farmer wanted to know the number of hills per hectare in his rice production, if row is 15 cm apart and the hills is 15 cm apart.
- A generous benefactor donates $500,000 to a state university. The donation is to be used to fund student scholarships. Determine the dollar amount of scholarships that can be awarded each year under each of the following conditions. The state university earns 4% per year on its investments. Solve, a. The donation is a quasi-endowment designed to last 20 years. b.The donation is a quasi-endowment designed to last 30 years. c. The donation is a quasi-endowment designed to last 50 years. d. The donation is an endowment designed to last forever.Please answer completely with explanation each stepHello! Can you answer these two questions? Thanks. 1. I. In evaluating the moment of a planar lamina, a horizontal strip cannot be used as a representative area.II. The moment of any planar lamina is the product of the mass of the region and its centroid. a. Both statements are true b. Both statements are false c. Statement I is true, the latter being false d. Statement I is false, the latter being true 2. I. The reaction kinetics of order 0 cannot be evaluated using the concept of integration.II. If the order of reaction is 1 in PFR, given ?, and % conversion, the initial amount is not necessary to find ?. a. Both statements are true b. Both statements are false c. Statement I is true, the latter being false d. Statement I is false, the latter being true
- 32 - If the velocity of water flowing through a pipe with a diameter of 134 mm is 1.89 m/s, which of the following is the volumetric flow of water? a) 0.01664 m³/h B) 0.02891 m³/h NS) 0.01895 m³/h D) 0.02665 m³/s TO) 0.02389 m³/sA man pays P 114,100 every end of the quarter for a car bought on installment terms. If the man wishes to pay every end of the month instead of every end of the quarter, how much should he pay if the interest is 12% compounded monthly? pls answer 10 mins deadlineMECHANICAL 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)
- Activity Immediate Predecessor(s) Te VAR Slack A - 5 0.444 0 B - 2 0.111 4 C - 3 0.444 6.5 D A 7.5 0.25 0 E B 6.5 0.694 4 F C 8 0.111 6.5 G D, E 5 0.111 0 What is the critical path for the project described by this table? A. C-F B. B-E-G C. A-D-G D. A-B-C Click to select your answer.2014Q5: please answer each part with specific detail and reasoning for each partMECHANICAL 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. Electric power is to be generated by installing a hydraulic turbine-generator at a site 70 m below the free surface of a large water reservoir that can supply water at a rate of 3000 kg/s steadily. If the mechanical power output of the turbine is 800 kW and the electric power generation is 750 kW, Determine the following: a. turbine efficiency b. combined turbine-generator efficiency of this plant. Friction in pipes = 10% of available potential energy.