17.Actual diesel engines must reach temperatures above the of the fuel at the end of the compression stroke. (A)flashing temperature (B)saturated temperature (C)auto-ignition temperature (D)dew-point temperature

17.Actual diesel engines must reach temperatures above the of the fuel at the end of the compression stroke.
(A)flashing temperature
(B)saturated temperature
(C)auto-ignition temperature
(D)dew-point temperature

答案：登入後查看
統計： A(76), B(30), C(226), D(58), E(0) #601688

詳解 (共 1 筆)

Box Candy

B1 · 2019/08/05

#3523659

實際柴油引擎在壓縮衝程結束時必須達到高於...

(共 64 字，隱藏中）

前往觀看

10.Longitudinal vibration of propulsion shafting systems is often excited by the variable thrust developed by the propeller due to the non-uniform wake pattern in which it operates. The predominant periodic component of the thrust developed by a propeller occurs at blade-rate frequency, i.e., the number of propeller blades times the rotational frequency of the shaft. For a four-blade propeller running at 60 rev/min, what is the predominant periodic frequency that excites the longitudinal vibration of the propulsion shafting systems? (A)1 Hz (B)2 Hz (C)3 Hz (D)4 Hz

17.Actual diesel engines must reach temperatures above the of the fuel at the end of the compression stroke.
(A)flashing temperature
(B)saturated temperature
(C)auto-ignition temperature
(D)dew-point temperature

詳解 (共 1 筆)

相關試題

相關試卷