Engineering, 08.11.2019 05:31 naomifelixwoo
Anatural-circulation pillow-block bearing with lyd 5 1 has a journal diameter d of 2.500 in with a unilateral tolerance of 20.001 in. the bushing bore diameter b is 2.504 in with a unilateral tolerance of 0.004 in. the shaft runs at an angular speed of 1120 rev/min; the bearing uses sae grade 20 oil and carries a steady load of 300 lbf in shaft-stirred air at 70°f with a 5 1. the lateral area of the pillow-block housing is 60 in2 . perform a design assessment using minimum radial clearance for a load of 600 lbf and 300 lbf. use trumpler’s criteria.
Answers: 3
Engineering, 04.07.2019 18:10
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
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Engineering, 04.07.2019 18:10
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
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
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
Answers: 1
Anatural-circulation pillow-block bearing with lyd 5 1 has a journal diameter d of 2.500 in with a u...
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