Description : The direct stress included in a long column is………….. as compared to bending stress. (a) More (b) Less (c) Same (d) Negligible
Last Answer : d) Negligible
Description : If the slenderness ratio for a column is 100, then it is said to be a __________ column. (a) Long (b) medium (c)short (d) big
Last Answer : (a) Long
Description : Pure Buckling occurs in a (a) Short column (b) Medium Column (c) Long column (d) None
Last Answer : (c) Long column
Description : The Rankine formula holds good for (a) Short column (b) Long column (c) Medium column (d) Both short and long column
Last Answer : (d) Both short and long column
Description : A column whose slenderness ratio is greater than 120 is known as (a) Short column (b) Long column (c) Medium column (d) Composite column
Last Answer : (b) Long column
Description : When a column is subjected to an eccentric load, the stress induced in the column will be (a) direct stress only (b) bending stress only (c) shear stress only (d) direct and bending stress both
Last Answer : (d) direct and bending stress both
Description : A column is said to be of medium size if its slenderness ratio is between (a) 20 and 32 (b) 32 and 120 (c) 120 and 160 (d) 160 and 180
Last Answer : (b) 32 and 120
Description : A steel column is a medium column when the slenderness ratio is (a) >120 (b) 30 (d) None
Last Answer : (c) >30
Description : When the ratio of the effective length of the rectangular columns to its lateral dimension exceeds12, then the column is said to be [ A ] Short column [ B ] Slender column [ C ] Biaxial column [ D ] All the above
Last Answer : [ B ] Slender column
Description : Buckling of a column occurs under (a) Axial load (b) Transverse load (c) Direct load (d) None
Last Answer : (a) Axial load
Description : The range within which a load can be applied on a rectangular column, to avoid any tensile stress,is (a) One-half of the base (b) One-fifth of the base (c) One-fourth of the base (d) One-fifth of the base
Last Answer : (b) One-fifth of the base
Description : For keeping the stress wholly compressive the load may be applied on a circular column anywherewithin a concentric circle of diameter (a) d/2 (b) d/3 (c) d/4 (d) d/8
Last Answer : (c) d/4
Description : The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, ... One-third of the radius (c) One-quarter of the radius (d) One-fifth of the radius
Last Answer : (c) One-quarter of the radius
Description : A column is said to be a short column, when (a) its length is very small (b) its cross-sectional area is small (c) the ratio of its length to the least radhis of gyration is less than 80 (d) the ratio of its length to the least radius of gyration is more than 80
Last Answer : (c) the ratio of its length to the least radhis of gyration is less than 80
Description : A steel column is a short column when the slenderness ratio is (a) >120 (b) 30 (d) None
Last Answer : (b)
Description : Which factor is used to consider the effects of direct shear stress and torsional shear stress when curvature effect stress is not considered? a. Shear stress concentration factor b. Wahl shear stress concentration factor c. Both a. and b. d. None of the above
Last Answer : a. Shear stress concentration factor
Description : Pick up the correct statement from the following: (A) An unconfined compression test is a special case of triaxial compression test (B) An unconfined compression test is a special case of direct ... subjected to major principal stress till it fails due to shearing along the plane of the failure
Last Answer : Option A
Description : A short, hollow cast iron cylinder with a wall thickness of 1 cm is to carry a compressive load of 10 tonnes. If the working stress in compression is 800 kg/cm2, the outside diameter of the cylinder should not be less than a) 0.5cm b) 5 cm c) 2.5cm d) 4.5 cm
Last Answer : b) 5 cm
Description : .Deflections due to shear is significant in a.Long beams b.Short beams. c.Long as well as short bemas. d.None.
Last Answer : b.Short beams.
Description : What will happen if stresses induced due to surge in the spring exceeds the endurance limit stress of the spring. (a) Fatigue Failure (b) Fracture (c) None of the listed (d) Nipping
Last Answer : (a) Fatigue Failure
Description : Magnitude of shear stress induced in a shaft due to applied torque varies from a. Maximum at centre to zero at circumference. b. Maximum at centre to minimum (not-zero) at circumference. c. Zero at centre to maximum at circumference. d. Minimum (not zero) at centre to maximum at circumference.
Last Answer : c. Zero at centre to maximum at circumference.
Description : Stress under suddenly applied load is (a) Three times than the gradually applied load (b) equal to the that due to gradually applied load (c) Less than that due to gradually applied load (d) none
Last Answer : (d) none
Description : A long column with fixed ends can carry load as compared to cantilever column (a) 4 times (b) 8 times (c) 16 times (d) None
Last Answer : (c) 16 times
Description : A long column with fixed ends can carry load as compared to both ends hinged (a) 4 times (b) 8 times (c) 16 times (d) None
Last Answer : (a) 4 times
Description : Keeping loading same but increasing the length, normal stresses in a long column will (a) Increase (b) Decrease (c) No change (d) None
Last Answer : (b) Decrease
Description : A steel column is a long column when the slenderness ratio is (a) >120 (b) 30 (d) None
Last Answer : (a) >120
Description : A rod, 120cm long and of diameter 3.0 cm is subjected to an axial pull of 18 kN. The stress in N/mm2 is. a. 22.57 b. 23.47 c. 24.57 d. 25.47
Last Answer : d. 25.47
Description : A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the (a) axis of load (b) perpendicular to the axis of load (c) maximum moment of inertia (d) minimum moment of inertia
Last Answer : (d) minimum moment of inertia
Description : According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends. (a) equal to (b) two times (c) four times (d) eight times
Last Answer : (c) four times
Description : The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is (a) 240 (b) 416 (c) 360 (d) 400
Last Answer : (b) 416
Description : A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged. (a) l/8 (b) l/4 (c) l/2 (d) l
Last Answer : c) l/2
Description : A column with maximum equivalent length has (a) both ends hinged (b) both ends fixed (c) one end fixed and the other end hinged (d) one end fixed and the other end free
Last Answer : (d) one end fixed and the other end free
Description : The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is (a) 200 (b) 240 (c) 360 (d) 416
Last Answer : (d) 416
Description : The ratio of the effective length of a column and minimum radius of gyration of its cross sectionalarea, is known (a) Buckling factor (b) Slenderness ratio (c) Crippling factor (d) None of these
Last Answer : (b) Slenderness ratio
Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) ... (c) One end is fixed and the other end entirely free (d) Both the ends are fixed
Last Answer : (d) Both the ends are fixed
Description : The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose endsare hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2, the permissible maximumcrippling load will be (a) 1.288 tonnes (b) 12.88 (c) 128.8 tonnes (d) 288.0
Last Answer : (b) 12.88
Description : The equivalent length of a column fixed at both ends, is (a) 0.5 l (b) 0.7 l (c) l (d) 1.5 l
Last Answer : (a) 0.5 l
Description : With identical beam and column, buckling occurs as compared to bending under a (a) Lesser load (b) Larger load (c) Equal load (d) None
Last Answer : (a) Lesser load
Description : Euler’s formula is not valid for mild steel column when slenderness ratio is (a) More than 100 (b) Less than 100 (c) Less than 80 (d)More than 80
Last Answer : (c) Less than 80
Description : A column of length 4m with both ends fixed may be considered as equivalent to a column of length ………….with both ends hinged. (a) 2 m (b) 1 m (c) 3 m (d) 6 m
Last Answer : For a long column subjected to 1 point axial compressive load, its buckling strength will be maximum when its
Description : A column has moment of inertia about X-X and Y-Y axis as follows IXX=4234.4 mm4 IYY=236.3 mm4 This column will buckle about (a) X-X axis (b) Y-Y axis (c) It depends upon the applied load (d) None of these
Last Answer : (b) Y-Y axis
Description : The slenderness ratio is the ratio of (a) Length of column to least radius of gyration (b) Moment of inertia to area of cross-section (c) Area of cross-section to moment of inertia (d) Least radius of gyration to length of the column
Last Answer : (a) Length of column to least radius of gyration
Description : Deflection in a spring should be (a) Large (b) Medium (c) Small (d) None
Last Answer : (a) Large
Description : Members of the order Apodes, these elongated slender fishes are without pelvic fins and in some species lack pectoral or median GENR-92; Short Answer: What is a shark's skeleton made of?
Last Answer : ANSWER: CARTILAGE
Description : What is the product of sectional modulus and allowable bending stress called as? a. Moment of inertia b. Moment of rigidity c. Moment of resistance d. Radius of gyration
Last Answer : c. Moment of resistance
Description : The graphical representation of variation of axial load on y axis and position of cross section along x axis is called as _____ (a) Bending moment diagram (b) Shear force diagram (c) Stress-strain diagram (d) Trust diagram
Last Answer : (d) Trust diagram
Description : The stress at which extension of a material takes place more quickly as compared to increase in load, is called (a) No elastic zone (b) Plastic point (c) Yield point (d) Breaking point
Last Answer : (c) Yield point
Description : The deformation per unit length is called (a) Strain (b) Stress (c) Elasticity (d) None of these
Last Answer : (a) Strain
Description : Lame's theory is associated with a) thick cylindrical shells b) thin cylindrical shells c) direct and bending stresses d) none of these
Last Answer : a) thick cylindrical shells
Description : Bending of beam occurs under (a) Axial load (b) Transverse load (c) Direct load (d) None
Last Answer : (b) Transverse load