Boleh tolong terangkan apa maksudnya?

2016-11-21View Original

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Laju aliran udara di saluran asap kecil biasanya diambil sebanyak 2×5 Nm/s. Apakah maksud angka ini? Berapakah kelajuan aliran sebenarnya?

Reply #22016-11-22

N yang terdapat di hadapan unit tersebut boleh difahami sebagai keadaan standard. Apa maksud 2×5? Mengapa tidak tulis terus 10 sahaja? Jika ia antara 2-5, kelajuan aliran gasnya kelihatan agak rendah.

Reply #32016-11-22

Saya melihatnya dalam sebuah artikel

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Boleh tolong terangkan apa maksudnya?

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