Engineering, 22.07.2021 09:30 neariah24
hãy giải thiích vì sao trong kết cấu thép thường sử dụng dầm thép có mặt cắt ngang chữ I, chữ C, chữ H mà không dùng dạng chữ nhật
Answers: 3
Engineering, 04.07.2019 18:20
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
Engineering, 06.07.2019 04:10
Aspherical thermocouple measurement errors a spherical thermocouple made of constantin transfer coefficient between the gas and the thermocouple is h used to measure the temperature of a gas. the heat 400 w/m2 k. calculate the maximum diameter d of the thermocouple if the thermocouple's measurement error should be w 23 within 5% of the initial temperature difference in 5 seconds. for constantin, k 8920 kg/m3, and c 410 j/kg. k.
Answers: 3
Engineering, 06.07.2019 04:20
Consider a spherical container of inner radius , outer radius r2, and thermal conductivity k. express the boundary condition on the inner surface of the container for steady one-dimensional conduction for the following cases: (a) specified temperature of 50°c, (b) specified heat flux of 30 w/m2 toward the center, (c) convection to a medium at t with a heat transfer coefficient of h
Answers: 2
Engineering, 06.07.2019 04:30
Asharp-edged orifice is placed in a 10-in-diameter pipe carrying ammonia. if the volume flow rate is 25 gal/min, calculate the deflection of a water manometer (a) if the orifice diameter is 1.0 in and (b) if the orifice diameter is 7.0 in. the ammonia has a specific gravity of 0.83 and a dynamic viscosity of 2.5 x 10-6 lb s/t2
Answers: 3
hãy giải thiích vì sao trong kết cấu thép thường sử dụng dầm thép có mặt cắt ngang chữ I, chữ C, chữ...
Mathematics, 05.05.2021 20:40
Advanced Placement (AP), 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Social Studies, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Mathematics, 05.05.2021 20:40
Health, 05.05.2021 20:40