Engineering, 01.07.2020 17:01 brayann5761
What's a disadvantage of highest MERV-rated filters?
1) the pressure drop across high MERV filters is less.
2) high MERV filters require at least a 240 V power supply.
3) the pressure drop across high MERV filters is significant.
Answers: 1
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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 18:20, 1230bering
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
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Engineering, 04.07.2019 19:10, nida7864
An engine, weighing 3000 n, is supported on a pedestal mount. it has been observed that the engine induces vibration into the surrounding area through its pedestal at the maximum operating speed. determine the stiffness of the dynamic vibration absorber spring in (n/m) that will reduce the vibration when mounted on the pedestal. the magnitude of the exciting force is 250 n, and the amplitude of motion of the auxiliary mass is to be limited to 2 mm note: in this question type-in right numbers, no decimals, no fractions, no unit. approximate to right number if needed
Answers: 3
What's a disadvantage of highest MERV-rated filters?
1) the pressure drop across high MERV filters...
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