The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?

Byadmin January 17, 2019August 12, 2021

The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?

A. D/2
B. D
C. D
D. D

Theory of Structures

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 steel = 0.000012/C°, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is_________________?

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 steel = 0.000012/C°, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is_________________?

A. 80 N/mm2
B. 100 N/mm 2
C. 120 N/mm2
D. 150 N/mm2

Read More 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 steel = 0.000012/C°, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is_________________?
Theory of Structures

A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is_____________?

A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is_____________?

A. 25 N
B. 30 N
C. 35 N
D. 40 N

Read More A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is_____________?
Theory of Structures

Stress may be expressed in Newtons___________________?

Stress may be expressed in Newtons___________________?

A. Per millimetre square (N/mm2)
B. Per centimetre square (N/cm2)
C. Per metre square (N/m2)
D. None of these

Read More Stress may be expressed in Newtons___________________?
Theory of Structures

If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?

If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?

A. D4 – d4)
B. D4 – d4)
C. D4 – d4)
D. D4 – d4)(Correct)

Read More If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?
Theory of Structures

d constant, the width of a cantilever of length l of uniform strength loaded with Keeping the depth a uniformly distributed load w varies from zero at the free end and________________?

d constant, the width of a cantilever of length l of uniform strength loaded with Keeg the depth a uniformly distributed load w varies from zero at the free end and________________?

A. (2w/ × l² at the fixed end
B. (3w/ × l² at the fixed end
C. (3w/ × l² at the fixed end
D. (5w/ × l² at the fixed end

Read More d constant, the width of a cantilever of length l of uniform strength loaded with Keeping the depth a uniformly distributed load w varies from zero at the free end and________________?
Theory of Structures

constant, depth of a cantilever of length of uniform strength loaded with Keeping breadth uniformly distributed load varies from zero at the free end and________________?

constant, depth of a cantilever of length of uniform strength loaded with Keeg breadth uniformly distributed load varies from zero at the free end and________________?

A. 2w w l at the fixed end
B. l) at the fixed end
C. w l) at the fixed end
D. 3w l at the fixed end

Read More constant, depth of a cantilever of length of uniform strength loaded with Keeping breadth uniformly distributed load varies from zero at the free end and________________?

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