Engineering, 20.11.2019 20:31 davidoj13
The data presented here are from one of the first quantitative research articles on the topic, published in the the lancet in 1975. one-hundred and twenty-four children living near a lead-emitting smelter in el paso, texas were studied for two years. various tests were used to assess neurological responses, including standing on one foot, tandem walking, alternate tapping, tapping with a stylus, visual reaction time, and auditory reaction time. wechsler intelligence tests were also administered. the investigators compared results between children with high blood level concentration and matched ‘control’ children with low blood level concentration. the data set is lead. csv
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Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
Engineering, 04.07.2019 18:10
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
The data presented here are from one of the first quantitative research articles on the topic, publi...
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