3. The winning numbers at a casino lottery are 12,8,15,7,9. determine the values of the ra nges at 95% that contain (a) the true mean, (b) the next measured value, (c) the true variance
7. For beam below determine both reactions r beam showa below determine reactions Ra and b 9. For the truss below determine reactions Ra&Rb 10. For the truss above find force in member AC (+teasion /-compression) A. -9k 11. For the truss in #9 find force in member CD B. -11.2k C.-10k D.-4.5k A. -25k B. -22.5k C. 17k D.-17.5k 12. For the truss in #9 find force in member EK A. 0k B.-5k С.10k D. -6k
Replace the force system acting on the frame by a resultant force, and specify where its line of action intersects member AB, measured from point B.
The hydraulic cylinder BD exerts on member ABC a force P directed along line BD. Knowing that P must have a 600-N component perpendicular to member ABC, determine (a) the magnitude of the force P, (b) its component parallel to ABC. 63
A Problem 9: Determine the influence line for member indicated for loads moving from A to G. Determine the maximum load that can be developed in the member due to a uniform 6 panels at 4 m 24 m live load of 10 kN/m,
Let RA)-065, AB) : 0.30, and RA I :0.45. a. Calculate PAn B). (Round your answer to 3 decimal places.) P(AnB) b. Calculate PIAU B). (Round your answer to 3 decimal places.) P(AU B) c. Calculate P(BI A). (Round your answer to 3 decimal places.) P(B | A)
For the circuit below, calculate the resistance between
nodes:
(1) a and b (Ra-b)
(2) a and c (Ra-c)
(3) c and d (Rc-d)
1kΩ 1kΩ - -_1kΩ 3.3kΩ εγκα 2.7kΩ 2.7kΩ
Exercise Construct the influence line of member 1 4 23 1 P=1 Case a. The moving load is applied to the bottom chords Case b. The moving load is applied to the top chords
pz explain.
6-58. Draw the influence line for the force in member CF, and then determine the maximum force (tension or compression) that can be developed in this member due to a uniform live load of 800 lb/ft which is transmitted to the truss along the bottom cord. AL 10 ft 10ft--.--10 ft 10 ft
Derive all member forces by moment distribution method. Draw line around your final calculations to prove your accuracy. 50kips q-5 kips/ft 10 ft 20 ft
Derive all member forces by moment distribution method. Draw line around your final calculations to prove your accuracy. 50kips q-5 kips/ft 10 ft 20 ft