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______________?

Byadmin January 17, 2019June 4, 2021

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(Correct)
D. 4W²D3n²/d4N

Theory of Structures

For the close coil helical spring of the maximum deflection is__________________?

For the close coil helical spring of the maximum deflection is__________________?

A. WD3n/d4N
B. 2WD3n/d4N
C. 4W²D3n/d4N
D. 8WD3n/d4N

Read More For the close coil helical spring of the maximum deflection is__________________?
Theory of Structures

The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is________________?

The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is________________?

A. Circle
B. Parabola
C. Ellipse
D. Straight line

Read More The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is________________?
Theory of Structures

The assumption in the theory of bending of beams is_________________?

The assumption in the theory of bending of beams is_________________?

A. Material is homogeneous
B. Material is isotropic
C. Young’s modulus is same in tension as well as in compression
D. All the above(Correct)

Read More The assumption in the theory of bending of beams is_________________?
Theory of Structures

A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is_________________?

A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is_________________?

A. WL/2AE
B. WL/AE
C. W²L/AE
D. W²L/2AE(Correct)

Read More A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is_________________?
Theory of Structures

The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?

The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?

A. A uniforml 4/3
B. end, is
C. All the above
D. non of these

Read More The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?
Theory of Structures

The moment of inertia of a triangular section (height h, base b) about its base, is_______________?

The moment of inertia of a triangular section (height h, base b) about its base, is_______________?

A. bh²/12
B. b²h/12
C. bh3/12(Correct)
D. b3h/12

Read More The moment of inertia of a triangular section (height h, base b) about its base, is_______________?

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