Engineering, 03.12.2019 01:31 WolfMeadows
Determine and detail the required positive flexural reinforcement (and any compression steel if needed) of a 32-in-wide and 20-in-deep beam subjected to a positive factored bending moment equal to 825 kips. ft . assume normal-weight concrete with f’c = 5,000 psi, a 1-in maximum aggregate size, and grade 60 reinforcement. make sure the section has to be tension-controlled and reinforcement satisfy maximum and minimum spacing requirements. draw a 1: 4 scale cross-section to show your final design.
Answers: 3
Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
Engineering, 04.07.2019 18:10
Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise
Answers: 3
Engineering, 04.07.2019 18:10
The higher the astm grain size number, the finer the gran is. a)-true b)-false
Answers: 2
Engineering, 04.07.2019 18:10
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
Determine and detail the required positive flexural reinforcement (and any compression steel if need...
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