The curve traced by the end of a thread unwound from a circle or a polygon, keeping the tread tight is called
AHelix
BParabola
CInvolute
DCycloid
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Mouthpieces are used to measure
The cluster of piles which are driven around the ...................... to protect them against the floating object is:
In metric chain the length of one link is equal to
Ships get shelter and protection against destructive forces due to sea waves in:
In public buildings the maximum riser is limited to