Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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What is the standard deviation of the adjusted value for the following set of 10 distance observations in meters? 532.688, 532.682, 532.682, 532.684, 532.689, 532.686, 532.690, 532.684, 532.686, 532.686.
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- Water from a reservoir flowing through a non rigid 600mm diameter pipe with a velocity of 2.m/s is completely stopped by a closure of a valve situated 1050m from the reservoir. The pipe thickness is 18mm. Bulk modulus of elasticity of water is 2000MPa and modulus of elasticity of steel is 200000MPa. A.) Compute the velocity of soundwave Choices: 1724.47 1442.47 1224.74 2441.74 B.) Determine the pressure due to instantaneous closure (KPa) Choices: 2449.49 4229.94 2994.94 4922.49 C.)Determine the pressure due to a closure that takes place in 5 seconds. in KPa Choices: 408 804 840 480 Note:please help me in the sample problem and please base ypur answer on the given choices thank youarrow_forwardsolve the unknowns and solve for the length of CAarrow_forwardM1arrow_forward
- 4. 8. 9. 10 11 12 13 14 15 16 17 1 10 QUESTION 11 Match the following are mistakes, systematic errors, or random errors. The answer might repeat. Earth curvature and refraction А. Mistake Imperfect centering over a point. B. Random error Recording a length of 135.48 as 135.44. C. Systematic error Reading of horizontal circle on a total station. QUESTION 12 The term Ox1 Ox2 is known as covariance. The interdependence between the two unknown variables Whan thic torm ic zoro thovariabloc aro. ath ntical Uca the Click Save and Submit to save and submit. Click Save All Answers to save all answers.arrow_forwardthxarrow_forwardA distance AB is observed repeatedly using the same equipment and procedures, and the results in meters are the following; 101.21 100.50 100.85 100.36 102.10 101.25 101.38 101.64 102.05 101.30 What is the standard deviation?arrow_forward
- Triangulation ranging is used to determine the distance between a robot and an object. The distance between the light emitting source and light detecting receiver is 24 cm (24 × 10–2 meters). The angle α is measured between the light ray sent out by the emitter and line drawn between the emitter and detector interior to the triangle. The angle β is measured between the light ray light ray received by the detector and the line drawn between the emitter and detector interior to the triangle. The value of the angle α is 87 degrees and the value of the angle β is 76 degrees. Find the distance between the robot and the object.arrow_forwardSolve manually, and show your works steps by steps 11.12 Using the conditional equations, what are the most probable values for the three angles observed to close the horizon at station Red. The observed values and their standard deviations are Angle Value S (") 114°23'05" 138°17'59" +6.5 ±3.5 1 2 3 107°19'03" +4.9 Do Problem 11.12 using the observation equation method. Solve manually, and show your works steps by stepsarrow_forwardFor the distance (ft) observations given below, find the most probable value and standard deviation. 100.01, 100.05, 99.95, 99.98, 100.03, and 99.97arrow_forward
- SITUATION: A steel tape with coefficient of linear expansion of 0.0000116 per °C is known to be 50 m long at 20°C. The tape was used to measure a line which was found to be 532.28 m long and when the temperature was 35°C. Zoom image Find the correct length of the line. O532.62 532.29 532.86 532.37arrow_forwardI need help with this question, pleasearrow_forward1.56 5. The accompanying diagram shows a ray of light passing from medium X into air. What is the absolute index of refraction of medium X? 1 Normal 30.01 1 Medium X Air 60.° 1.0.500 2.2.00 3.1.73 4.0.577arrow_forward
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