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 : Equivalent torque in combined bending and torsion is given by a. Te = (M^2 + T^2)^1/2 b. Te = ½(M^2 + T^2)^1/2 c. Te = M + T d. Te = 1/2 [M+(M^2 + T^2)^1/2]
Last Answer : a. Te = (M^2 + T^2)^1/2
Description : Equivalent bending moment in a shaft subjected to axial load P, torque T and bending moment M is (a) Meq = 0.5 [M + (M2 + T2)0.5]0.5 (b) Meq = 0.5 [M + (M2 + T2)0.5] (c) Meq = ( M2 + T2)0.5 (d) None
Last Answer : (b) Meq = 0.5 [M + (M2 + T2)0.5]
Description : Equivalent torque in a shaft subjected to axial load P, torque T and bending moment M is (a) Teq = (Pa2 + M2 + T2) (b) Teq = (Pa2 + M2 + T2)0.5 (c)Teq = ( M2 + T2)0.5 (d) None
Last Answer : c)Teq = ( M2 + T2)0.5
Description : Torque and bending moment of 100 kN.m and 200 kN.m acts on a shaft which has external diameter twice of internal diameter. What is the external diameter of the shaft which is subjected to a maximum shear stress of 90 N/mm2? a. 116.5 mm b. 233.025 mm c. 587.1 mm d. 900 mm
Last Answer : c. 587.1 mm
Description : A shaft a. Is always subjected to pure torsion b. Combination of M & T but no end thrust c. Combination of torque & end thrust but no bending moment d. May be subjected to a combination of M, T and end thrust
Last Answer : d. May be subjected to a combination of M, T and end thrust
Description : In combined bending and torsion equivalent bending moment is a. Me = (M^2 + T^2)^1/2 b. Me = ½(M^2 + T^2)^1/2 c. Me = M+(M^2 + T^2)^1/2 d. Me = 1/2 [M+(M^2 + T^2)^1/2]
Last Answer : d. Me = 1/2 [M+(M^2 + T^2)^1/2]
Description : The ratio of maximum bending stress to maximum shear stress on the cross section when a shaft is simultaneously subjected to a torque T and bending moment M, a. T/M b. M/T c. 2T/M d. 2M/T
Last Answer : d. 2M/T
Description : A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data
Last Answer : b. 5208 Mpa
Description : When the shaft is subjected to pure bending moment, the bending stress is given by? a) None of the listed b) 32M/πdᵌ c) 16M/πdᵌ d) 8M/πdᵌ
Last Answer : b) 32M/πdᵌ
Description : A concentrated load P acts on a simply supported beam of span L at a distance L/3 from the left support. The bending moment at the point of application of the load is given by (a) PL/3 (b) 2PL/3 (c) PL/9 (d) 2PL/9
Last Answer : (d) 2PL/9
Description : Most important features of any spring are (a) Deflection, stiffness and strength (b) Stiffness, bending and shear strengths (c) Strain energy, deflection and strength (d) None
Last Answer : (c) Strain energy, deflection and strength
Description : Propagation of fatigue failure is always due to compressive stresses. (a) Due to bending (b) Due to tensile (c) Due to fatigue (d) None of the listed
Last Answer : (b) Due to tensile
Description : Coil springs absorb shocks by (a) bending (b) twisting (c) compression (d) tension
Last Answer : (c) compression
Description : Leaf springs absorb shocks by (a) bending (b) twisting (c) compression (d) tension
Last Answer : a) bending
Description : Maximum bending stress in a leaf spring is (a) 3WL/4nbt2(b) 3WL/8nbt2(c) 3WL/2nbt2(d) None
Last Answer : (c) 3WL/2nbt2
Description : eaf springs are designed on the basis of (a) Maximum bending stresses (b) Maximum deflection (c) Maximum bending as well as maximum deflection (d) None
Last Answer : (c) Maximum bending as well as maximum deflection
Description : Coil springs absorb shocks by (A) bending (B) twisting (C) compression (D) tension
Last Answer : (C) compression
Description : Wahl’s stress concentration factor is used in close coiled springs under axial load to account for (a) Shear effect (b) Bending effect (c) Compression effect (d) none
Last Answer : (b) Bending effect
Description : A open helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Last Answer : d) None
Description : A closed helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Last Answer : (c) Bending
Description : A closed helical spring under axial load is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Last Answer : (a) Shear
Description : A carriage spring is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Description : A close coiled spring under axial load produces (a) Bending stresses (b) Shear stresses (c) Tensile stresses (d) None
Last Answer : (b) Shear stresses
Description : When a close-coiled helical spring is subjected to an axial load, it is said to be under. (a) Bending (b) Shear (c) Torsion (d) Crushing
Last Answer : (c) Torsion
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 : 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 : Nature of stresses produced in buckling and bending are (a) Same (b) Different (c) Only tensile (d) None
Last Answer : (a) Same
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 : Bending of beam occurs under (a) Axial load (b) Transverse load (c) Direct load (d) None
Last Answer : (b) Transverse load
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 : In continuous beam if it is end is fixed supported the bending moment will be a. zero b. neglected c. infinite
Last Answer : a. zero
Description : In continuous beam if it is end simply supported the bending moment will be a. zero b. neglected c. infinite
Description : In continuous beam, the intermediate beams are subjected to a. some bending moment b. no bending moment c. no slope d.no deflection
Last Answer : a. some bending moment
Description : Identify the necessary condition for fixed beam a. bending to be as single continuous curve b.bending to be as double continuous curve c.bending to be as discontinuous curve d.bending to be as multiple continuous curve
Last Answer : a. bending to be as single continuous curve
Description : When sinking is accounted in a continuous beam the bending moment is a. modified b.same c.zero d.infinite
Last Answer : a. modified
Description : In comparison with a simply supported beam of same span and load , a continuous beam has a.less maximum bending moment b. same bending moment c. higher maximum bending moment d. twice the bending moment
Last Answer : a.less maximum bending moment
Description : In an UDL fixed beam free moment diagram gives a bending moment of a. Convex up b. Convex down c. Concave up d.Concave down
Last Answer : b. Convex down
Description : In a mid point loaded fixed beam,the free bending moment diagram is a a.square b.rectangle c.triangle d.trapezium
Last Answer : c.triangle
Description : In a mid point loaded fixed beam,the fixed bending moment diagram is a a.square b.rectangle c.triangle d.trapezium
Last Answer : b.rectangle
Description : In an off centrepoint loaded fixed beam the fixed bending moment diagram is a a.square b.rectangle c.triangle d.trapezium
Last Answer : d.trapezium
Description : In an off centre point loaded fixed beam the free bending moment diagram is a a.square b.rectangle c.triangle d.trapezium
Description : For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum bending moment b. more value of maximum bending moment c.twice the value of maximum bending moment d.same value of maximum bending moment
Last Answer : a. lesser value of maximum bending moment
Description : For a fixed beam with UDL, maximum bending moment at end is a. wL2/12 b.wL2/24 c.wL2/36 d.wL2/48
Last Answer : a. wL2/12
Description : For a fixed beam with UDL,maximum bending moment at midpoint is a. wL3/248 b. wL2/248 c. wL2/24 d. wL2/24
Last Answer : c. wL2/24
Description : The expression EI d4y/dx4 at a section of a member represents a. Shearing force b. rate of loading c. bending moment d.slope.
Last Answer : b. rate of loading
Description : .The expression EI d3y/dx3 at a section of a member represents a.Shearing force b.rate of loading c.bending moment d.slope.
Last Answer : a.Shearing force
Description : The expression EI d2y/dx2 at a section of a member represents a. Shearing force b.rate of loading c.bending moment d.slope.
Last Answer : c.bending moment
Description : A beam is designed on the basis of a. Maximum bending moment b. Minimum shear force. c.Maximum bending moment as well as for maximum shear force d. None.
Last Answer : c.Maximum bending moment as well as for maximum shear force