Correct answer
E. both B. and C.
Explanation
The correct answer is both B. and C..
A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is________?
If in a pin-jointed plane frame (m + r) > 2j, then the frame is________?
During erection, the pile of length / is supported by a crane at a distance of________?
A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are________?
The radius of a bar bend to form a hook, should not be less than________?
The range of economical spacing of trusses varies from________?