Engineering, 12.11.2019 21:31, thalia17

Anatural-circulation pillow-block bearing with l y d 5 1 has a journal diameter d of 2.500 inwith a unilateral tolerance of 2 0.001 in. the bushing bore diameter b is 2.504 in with a uni-lateral tolerance of 0.004 in. the shaft runs at an angular speed of 1120 rev/min; the bearinguses 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 in 2 . perform a design assessmentusing minimum radial clearance for a load of 600 lbf and 300 lbf. use trumpler’s criteria.

Answers: 1

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:10, bckyanne3

Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.

Answers: 1

continue

Engineering, 04.07.2019 18:10, lowkeyqueenk

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk

Answers: 1

continue

Engineering, 04.07.2019 18:10, juansoto227711

Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery

Answers: 2

continue

Engineering, 04.07.2019 18:20, xcapo1x

Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.

Answers: 2

continue

Do you know the correct answer?

Anatural-circulation pillow-block bearing with l y d 5 1 has a journal diameter d of 2.500 inwith a...