A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is

A close coil helical spring of mean diameter D consists of n coils of

1.	A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is
A.	4WD²n/d4N
B.	4W²Dn/d4N
C.	4W²D3n/d4N
D.	4W²D3n²/d4N
Answer» D. 4W²D3n²/d4N

Discussion

No Comment Found

Related MCQs

The shape factor of standard rolled beam section varies from
A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If αsteel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is
A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is
Keeping breadth constant, depth of a cantilever of length l of uniform strength loaded with uniformly distributed load w varies from zero at the free end and
The normal and tangential components of stress on an inclined plane through θ° to the direction of the force, will be equal if θ is
A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm² and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are:
If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:
A short column (30 cm x 20 cm) carries a load P1 at 4 cm on one side and another load P2 at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be
The equivalent length is of a column of length L having both the ends fixed, is
The ratio of the section modulus of a square section of side B and that of a circular section of diameter D, is

A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is

Discussion

No Comment Found

Related MCQs

Reply to Comment