Description : The concavity produced on the beam section about the centre line when downward force acts on it is called as (a) Hogging or positive bending moment (b) Hogging or negative bending moment (c) Sagging or positive bending moment (d) Sagging or negative bending moment
Last Answer : (b) Hogging or negative 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
Description : A beam of uniform strength has a. same cross-section throughout the beam b. same bending stress at every section c. same bending moment at every section d. same shear stress at every section
Last Answer : b. same bending stress at every section
Description : The slope of shear force line at any section of the beam is also called (a) Bending moment at that section (b) Rate of loading at that section (c) Maximum Shear force (d) Maximum bending moment
Last Answer : (b) Rate of loading at that section
Description : At a point in a simply supported or overhanging beam where Shear force changes sign and = 0, Bending moment is (a) Maximum (b) Zero (c) Either increasing or decreasing (d) Infinity
Last Answer : (a) Maximum
Description : A beam is a structural member which is subjected to (a) Axial tension or compression (b) Transverse loads and couples (c) Twisting moment (d) No load, but its axis should be horizontal and x-section rectangular or circular
Last Answer : b) Transverse loads and couples
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 thin cylindrical shell under internal pressure can fail by a. Shear b. Compression c. Tension d. None
Last Answer : c. Tension
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 : Coil springs absorb shocks by (A) bending (B) twisting (C) compression (D) tension
Last Answer : (C) compression
Description : A carriage spring is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Description : A close coiled helical spring is compressed. Its wire is subjected to A. Compression B. Tension C.Shear D. Torque
Last Answer : B. Tension
Description : Deflection due to shear force as compared to bending moment will be a.equal b.less c.More d.None.
Last Answer : b.less
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 : What is the maximum shear stress induced in a solid shaft of 50 mm diameter which is subjected to both bending moment and torque of 300 kN.mm and 200 kN.mm respectively? a. 9.11 N/mm2 b. 14.69 N/mm2 c. 16.22 N/mm2 d. 20.98 N/mm2
Last Answer : b. 14.69 N/mm2
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 : Relation between bending moment and shear force is (a) dM/dx = -Vx (b) dM/dx = ±Vx (c) dM/dx = Vx (d) None
Last Answer : (c) dM/dx = Vx
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 : Point of contra-flexure is also called (a) Point of maximum Shear force (b) Point of maximum Bending moment (c) Point of inflexion (d) Fixed end
Last Answer : (c) Point of inflexion
Description : Point of contra-flexure is a (a) Point where Shear force is maximum (b) Point where Bending moment is maximum (c) Point where Bending moment is zero (d) Point where Bending moment=0 but also changes sign from positive to negative
Last Answer : (d) Point where Bending moment=0 but also changes sign from positive to negative
Description : In a cantilever subjected to a combination of concentrated load, uniformly distributed load and uniformly varying load, Maximum bending moment is (a) Where shear force=0 (b) At the free end (c) At the fixed end (d) At the mid-point
Last Answer : (c) At the fixed end
Description : The rate of change of bending moment is equal to (a) Shear force (b) Slope (c) Deflection (d) None of these
Last Answer : (a) Shear force
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 : 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 : When a beam is subjected to a bending moment the strain in a layer is …………the distance from the neutral axis. (a) Independent of (b) Directly proportional to (c) Inversely proportional to (d) None of these
Last Answer : (b) Directly proportional to
Description : Moment of resistance of a beam should be (a) Greater than the bending moment (b) Less than the bending moment (c) Two times the bending moment (d) None
Last Answer : (a) Greater than the bending moment
Description : Maximum bending moment in a cantilever beam having a UDL over entire length will be (a) wL2/2 (b) wL2/4 (c) wL2/8 (d) None
Last Answer : a) wL2/2
Description : Maximum bending moment in a S.S. beam having a UDL over entire length will be (a) wL2/2 (b) wL2/4 (c) wL2/8 (d) None
Last Answer : (c) wL2/8
Description : Maximum bending moment in a S.S. beam having a concentrated load at the centre will be (a) WL (b) WL/2 (c) WL/4 (d) None
Last Answer : (c) WL/4
Description : In case of a cantilever beam having UDL, bending moment variation will be (a) Linear (b) Parabolic (c) Cubic (d) None
Last Answer : (b) Parabolic
Description : In case of a cantilever beam having concentrated loads, bending moment variation will be (a) Linear (b) Parabolic (c) Cubic (d) None
Last Answer : (a) Linear
Description : In case of a cantilever beam, bending moment at the fixed end will be (a) Maximum (b) Minimum (c) Zero (d) None
Description : In case of a cantilever beam, bending moment at the free end will be (a) Maximum (b) Minimum (c) Zero (d) None
Last Answer : c) Zero
Description : At the supports of a simply supported beam, bending moment will be (a) Maximum (b) Minimum (c) Zero (d) None
Last Answer : (c) Zero
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