15. In general, the heavy fuel must be heated in order to decrease____________ . (A) purification (B) circulation (C) deaeration (D) viscosity

15. In general, the heavy fuel must be heated in order to decrease____________ .
(A) purification
(B) circulation
(C) deaeration
(D) viscosity

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統計： A(115), B(81), C(50), D(506), E(0) #1767665

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B1 · 2022/01/14

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15. 一般而言，為了降低____必須加...

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16. A steam trap works automatically and is put into drain lines so that these drain off condensate automatically without passing any steam. One type of operated traps utilizes floatcontrolled needle valves to trap steam or air. Some use open floats, other ball type floats. What type of operated traps is above description? (A) Thermostatic trap (B) Mechanical trap (C) Thermodynamic trap (D) Vacuum trap

15. In general, the heavy fuel must be heated in order to decrease____________ .
(A) purification
(B) circulation
(C) deaeration
(D) viscosity

詳解 (共 1 筆)

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