A curved surface, at which each point is perpendicular to the direction of gravity at that point is called
AHorizontal surface
BLevel surface
CVertical surface
DAll the above
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The material which possess same elastic properties in all direction in any point is called
The trap that is used to disconnect sullage drain from the main drainage system.
A board concrete pile having one or more bulbs in its lower portion is called
In a singly reinforced concrete beam, if load is very small:
For high speed reduction ........................gear is used