A stair turning through one right angle is known as
AHelical stair
BDog legged stair
CHalf turn stair
DQuarter turn stair
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A series of steps without any platform is known as____________
Series of step between landing:
The minimum thickness of stone masonry is
The bridge having their flooring at the top of the super structure is called
An intermediate floor between two floors above ground level accessible only from the lower floor is