In a pile of plates, the angle of inclination of the plates to the axis of the tube is:
A. 90°
B. 51.5°
C. 32.5°
D. 33.7°
Answer:C
In a pile of plates, the angle of inclination of the plates to the axis of the tube is:
A. 90° B. 51.5° C. 32.5° D. 33.7°