increasing the length of bar
decreasing the cross-sectional area of the bar
decreasing the modulus of elasticity of the bar
all of the above
equal to
sin ? times more than
sin ? times less than
cosec ? times more than
Correct
Incorrect
Helical compression spring
Spiral spring
Torsion spring
Bellevile spring
intersecting
non-intersecting and non-parallel
parallel
none of these