Engineering, 06.11.2019 20:31 yofavvmk
Asmall treatment plant with two filters operates at a filtration rate of 2 gpm/ft2 . the influent tss is 15 mg/l; the effluent tss is 0. (a) if each filter is square, 30 ft on a side, calculate the daily volume of water treated (in million gallons/d, mgd) assuming each filter is backwashed once per day in a process that takes 30 minutes. (b) if 3% of the treated flow is used for backwashing, calculate the backwash tss. (answers: 5.08 mgd, 500 mg/l)
Answers: 2
Engineering, 03.07.2019 15:10
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
Answers: 1
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
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
Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
Answers: 1
Asmall treatment plant with two filters operates at a filtration rate of 2 gpm/ft2 . the influent ts...
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