Engineering, 10.04.2021 19:50 whitneyb13
A cantilever is made of a rectangular hollow section (RHS) as follows: L= 2.0 m, b= 200 mm, d= 50 mm, t= 3 mm, and E= 200 kN/mm2 . It carries a mass of m= 1500 kg at its free end. Calculate the natural frequency of the system.
Answers: 2
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
Answers: 3
Engineering, 04.07.2019 18:10
The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false
Answers: 1
A cantilever is made of a rectangular hollow section (RHS) as follows: L= 2.0 m, b= 200 mm, d= 50 mm...
Chemistry, 11.07.2019 09:40
Spanish, 11.07.2019 09:40
Biology, 11.07.2019 09:40
History, 11.07.2019 09:40