4 某螺紋標註為 0.5 in.-20UNF-2A-LH，請問此螺紋之節距（pitch）為多少？ (A)0.5 in. (B)20 in. (C)2 in. (D)0.05 in.

4 某螺紋標註為 0.5 in.-20UNF-2A-LH，請問此螺紋之節距（pitch）為多少？
(A)0.5 in.
(B)20 in.
(C)2 in.
(D)0.05 in.

答案：登入後查看
統計： A(39), B(13), C(12), D(111), E(0) #2723529

詳解 (共 2 筆)

gaga618520

B1 · 2021/08/22

#5030783

⚠️ 一吋20牙

1/20=0.05

默默

B2 · 2022/01/02

#5285354

考節距不是節徑……

244. Given: 1. public class TestSeven extends Thread{ 2. private static int x； 3. public synchronized void doThings(){ 4. int current = x； 5. current++； 6. x = current； 7. } 8. public void run(){ 9. doThings()； 10. } 11. } Which statement is true? (A) Compilation fails. (B) An exception is thrown at runtime. (C) Synchronizing the run() method would make the class thread-safe. (D) The data in variable "x" are protected from concurrent access problems. (E) Declaring the doThings() method as static would make the class thread-safe.

4 某螺紋標註為 0.5 in.-20UNF-2A-LH，請問此螺紋之節距（pitch）為多少？ (A)0.5 in. (B)20 in. (C)2 in. (D)0.05 in.

詳解 (共 2 筆)

其他試題

4 某螺紋標註為 0.5 in.-20UNF-2A-LH，請問此螺紋之節距（pitch）為多少？
(A)0.5 in.
(B)20 in.
(C)2 in.
(D)0.05 in.