Engineering, 03.05.2021 17:20 winwinphyo
Para un trasformador monofásico de 10KVA, de 440V/220V. I1=45.45 (A), presenta el nucleo de la figura. Conociendo que el numero de espiras del primario es de 250, que el nucleo posee un permitividad relativa de 5500, largo total de 10 CM y area de 4 cm2 . ¿Determine la reluctancia?
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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
Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
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Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
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Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Para un trasformador monofásico de 10KVA, de 440V/220V. I1=45.45 (A), presenta el nucleo de la figur...
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