MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 3801. |
When a rectangular beam is loaded transversely, the maximum compressive stress develops on |
| A. | bottom fibre |
| B. | top fibre |
| C. | neutral axis |
| D. | every cross-section. |
| Answer» C. neutral axis | |
| 3802. |
The maximum deflection of a simply supported beam of length L with a central load W, is |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/128-6.71-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/128-6.71-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/128-6.71-3.png"> |
| D. | <img src="/_files/images/civil-engineering/strength-of-materials/128-6.71-4.png"> |
| E. | <img src="/_files/images/civil-engineering/strength-of-materials/128-6.71-5.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/strength-of-materials/128-6.71-4.png"> | |
| 3803. |
A long vertical member, subjected to an axial compressive load, is called |
| A. | a column |
| B. | a strut |
| C. | a tie |
| D. | a stanchion |
| E. | all the above. |
| Answer» B. a strut | |
| 3804. |
A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be |
| A. | 5 tonnes metre |
| B. | 10 tonnes metre |
| C. | 15 tonnes metre |
| D. | 20 tonnes metre |
| E. | none of these. |
| Answer» E. none of these. | |
| 3805. |
The property by which a body returns to its original shape after removal of the force, is called |
| A. | plasticity |
| B. | elasticity |
| C. | ductility |
| D. | malleability. |
| Answer» C. ductility | |
| 3806. |
If a solid shaft is subjected to a torque T at its end such that maximum shear stress does not exceed fz the diameter of the shaft will be |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.148-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.148-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.148-3.png"> |
| D. | none of these. |
| Answer» D. none of these. | |
| 3807. |
A member which does not regain its original shape after removed of load producing deformation is said |
| A. | plastic |
| B. | elastic |
| C. | rigid |
| D. | none of these. |
| Answer» B. elastic | |
| 3808. |
A simply supported beam carries two equal concentrated loads W at distances L/3 from either support. The maximum bending moment |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/126-6.46-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/126-6.44-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/126-6.46-2.png"> |
| D. | <img src="/_files/images/civil-engineering/strength-of-materials/126-6.46-3.png"> |
| E. | <img src="/_files/images/civil-engineering/strength-of-materials/126-6.46-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/strength-of-materials/126-6.44-2.png"> | |
| 3809. |
In a three hinged arch, the bending moment will be zero |
| A. | at right hinge only |
| B. | at left hinge only |
| C. | at both right and left hinges |
| D. | at all the three hinges. |
| Answer» E. | |
| 3810. |
The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |
| 3811. |
In a shaft shear stress intensity at a point is not |
| A. | directly proportional to the distance from the axis |
| B. | inversely proportional to the distance from the axis |
| C. | inversely proportional to the polar moment of inertia |
| D. | directly proportional to the applied torque. |
| Answer» C. inversely proportional to the polar moment of inertia | |
| 3812. |
A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is |
| A. | 50 N at each end |
| B. | 50 N at the centre |
| C. | 100 N at the centre |
| D. | none of these. |
| Answer» D. none of these. | |
| 3813. |
A cylinder is said to be thin if the ratio of its thickness and diameter, is less than |
| A. | 1/25 |
| B. | 1/20 |
| C. | 1/15 |
| D. | 1/10 |
| E. | 1/5 |
| Answer» E. 1/5 | |
| 3814. |
The shear force on a simply supported beam is proportional to |
| A. | displacement of the neutral axis |
| B. | sum of the forces |
| C. | sum of the transverse forces |
| D. | algebraic sum of the transverse forces of the section |
| E. | curvature of the neutral axis. |
| Answer» E. curvature of the neutral axis. | |
| 3815. |
An arch with three hinges, is a structure |
| A. | statically determinate |
| B. | statically indeterminate |
| C. | geometrically unstable |
| D. | structurally sound but indeterminate |
| E. | none of these. |
| Answer» B. statically indeterminate | |
| 3816. |
Stress in members of statically determinate simple frames, can be determined by |
| A. | method of joints |
| B. | method of sections |
| C. | graphical solution |
| D. | all the above. |
| Answer» E. | |
| 3817. |
For a channel section, the shear centre lies at a distance of |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/141-6.232-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/141-6.232-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/141-6.232-3.png"> |
| D. | <img src="/_files/images/civil-engineering/strength-of-materials/141-6.232-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/strength-of-materials/141-6.232-4.png"> | |
| 3818. |
When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called |
| A. | shear stress |
| B. | compressive stress |
| C. | tensile stress |
| D. | transverse stress. |
| Answer» D. transverse stress. | |
| 3819. |
Stress in a beam due to simple bending, is |
| A. | directly proportional |
| B. | inversely proportional |
| C. | curvilinearly related |
| D. | none of these. |
| Answer» B. inversely proportional | |
| 3820. |
A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at |
| A. | mid point of the cantilever |
| B. | fixed point of the cantilever |
| C. | 1/4th length from free end |
| D. | 3/4th length from free end |
| E. | half length from free end. |
| Answer» E. half length from free end. | |
| 3821. |
If b is the width of a plate joined by diamond riveting of diameter d, the efficiency of the joint is given by |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/124-6.29-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/124-6.29-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/124-6.29-3.png"> |
| D. | <img src="/_files/images/civil-engineering/strength-of-materials/124-6.29-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/strength-of-materials/124-6.29-3.png"> | |
| 3822. |
In a shaft rotated by a couple, the shear force varies |
| A. | from zero at the centre to a maximum at the circumference |
| B. | from minimum at the centre of maximum at the circumference |
| C. | from maximum at the centre to zero at the circumference |
| D. | equally throughout the section |
| E. | none of these. |
| Answer» B. from minimum at the centre of maximum at the circumference | |
| 3823. |
A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be |
| A. | 10.8 tonnes |
| B. | 1.08 tonnes |
| C. | 1.8 tonnes |
| D. | 0.8 tonnes |
| E. | none of these. |
| Answer» C. 1.8 tonnes | |
| 3824. |
The length of a column which gives the same value of buckling load by Euler and Rankine-Gordon formula, is equal to |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.108-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.108-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.108-3.png"> |
| D. | none of these. |
| Answer» C. <img src="/_files/images/civil-engineering/strength-of-materials/131-6.108-3.png"> | |
| 3825. |
The thickness of the web of a mild steel plate girder is less than d/200. If only one horizontal stiffener is used, it is placed at |
| A. | the neutral axis of the section |
| B. | 2/3rd of the depth of the neutral axis from the compression flange |
| C. | 2/5th of the depth of the neutral axis from the compression flange |
| D. | 2/5th of the height of the neutral axis from tension flange |
| E. | none of these. |
| Answer» D. 2/5th of the height of the neutral axis from tension flange | |
| 3826. |
If the area of cross-section of a single angle discontinuous strut is 30 cm2 and allowable working stress corresponding to its slenderness ratio is 625 kg/cm2, the safe load carrying capacity of the member, is |
| A. | 10 tonnes |
| B. | 12 tonnes |
| C. | 15 tonnes |
| D. | 18 tonnes |
| E. | 20 tonnes |
| Answer» D. 18 tonnes | |
| 3827. |
The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of |
| A. | the effective span |
| B. | 1.25 times the effective span |
| C. | 1.50 times the effective span |
| D. | 2.0 times the effective span |
| E. | 2.5 times the effective span. |
| Answer» C. 1.50 times the effective span | |
| 3828. |
According to I.S. : 800 - 1871, lacing bars resist transverse shear equal to |
| A. | 1.0% of the axial load |
| B. | 2.0% of the axial load |
| C. | 2.5% of the axial load |
| D. | 3.0% of the axial load |
| E. | 4.0% of the axial load. |
| Answer» D. 3.0% of the axial load | |
| 3829. |
The gross section of the web of a beam is defined as |
| A. | depth of the beam multiplied by its web thickness |
| B. | width of the flange multiplied by its web thickness |
| C. | sum of the flange width and depth of the beam multiplied by the web thickness |
| D. | none of these. |
| Answer» B. width of the flange multiplied by its web thickness | |
| 3830. |
As per ISI, rolled steel beam sections are classified into |
| A. | two series |
| B. | three series |
| C. | four series |
| D. | five series. |
| Answer» E. | |
| 3831. |
For simply supported beams, the maximum permitted deflection, is |
| A. | 1/325 of the span |
| B. | 1/350 of the span |
| C. | 1/375 of the span |
| D. | 1/400 of the span |
| E. | none of these. |
| Answer» B. 1/350 of the span | |
| 3832. |
If fbt and fc are the co-existent bending tensile stress and shear stress in a member, the equivalent stress fc is |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/107-14-189-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/107-14-189-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/107-14-189-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/107-14-189-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/steel-structure-design/107-14-189-4.png"> | |
| 3833. |
In a truss girder of a bridge, a diagonal consists of mild steel flat 4001.S.F. and carries a pull of 80 tonnes. If the grossdiameter of the rivet is 26 mm, the number of rivets required in the splice, is |
| A. | 6 |
| B. | 7 |
| C. | 8 |
| D. | 9 |
| E. | 12 |
| Answer» D. 9 | |
| 3834. |
For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than |
| A. | 4.5 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» D. 10 mm | |
| 3835. |
Compression members composed of two channels back-to-back and separated by a small distance are connected together by riveting so that the minimum slenderness ratio of each member between the connections, does not exceed |
| A. | 40 |
| B. | 50 |
| C. | 60 |
| D. | 70 |
| Answer» B. 50 | |
| 3836. |
The beam outside a wall upto floor level above it, is known as |
| A. | rafter |
| B. | purlin |
| C. | spandrel beam |
| D. | lintel |
| E. | none of these. |
| Answer» D. lintel | |
| 3837. |
If the thickness of a structural member is small as compared to its length and width, it is classified as |
| A. | one dimensional |
| B. | two dimensional |
| C. | three dimensional |
| D. | none of these. |
| Answer» C. three dimensional | |
| 3838. |
A column is carrying an axial load W and an eccentric load P. If A is its cross-sectional area, ex and ey are the eccentricities and Pxx and Zyy the section modulli, the equivalent axial load is obtained from the formula, |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-78-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-78-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-78-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-78-4.png"> |
| E. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-78-5.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/steel-structure-design/98-14-78-2.png"> | |
| 3839. |
The minimum width B of a solid casing for a cased beam, is equal to |
| A. | B = b + 25 mm |
| B. | B = b + 50 mm |
| C. | B = b + 75 mm |
| D. | B = b + 100 mm |
| E. | B = b + 125 mm |
| Answer» E. B = b + 125 mm | |
| 3840. |
Design of a riveted joint, is based on the assumption: |
| A. | Load is uniformly distributed among all the rivets |
| B. | Shear stress on a rivet is uniformly distributed over its gross area |
| C. | Bearing stress is uniform between the contact surfaces of the plate and the rivet |
| D. | Bearing stress in the rivet is neglected |
| E. | All the above. |
| Answer» F. | |
| 3841. |
A structural member subjected to tensile force in a direction parallel to its logitudinal axis, is generally known as |
| A. | a tie |
| B. | a tie member |
| C. | a tension member |
| D. | all the above. |
| Answer» E. | |
| 3842. |
For the economical design of a combined footing to support two equal column loads, the projections of beams in lower tier are kept such that bending moment under column is equal to |
| A. | bending moment at the centre of the beam |
| B. | half the bending moment at the centre of the beam |
| C. | twice the bending moment at the centre of the beam |
| D. | none of these. |
| Answer» B. half the bending moment at the centre of the beam | |
| 3843. |
In rolled steel beams, shear force is mostly resisted by |
| A. | web only |
| B. | flanges only |
| C. | web and flanges together |
| D. | none of these. |
| Answer» B. flanges only | |
| 3844. |
A web plate is called unstiffened if the ratio of clear depth to thickness is less than |
| A. | 35 |
| B. | 50 |
| C. | 60 |
| D. | 85 |
| E. | 90 |
| Answer» E. 90 | |
| 3845. |
Design of a riveted joint is based on the assumption: |
| A. | Bending stress in rivets is accounted for |
| B. | Riveted hole is assumed to be completely filled by the rivet |
| C. | Stress in the plate in not uniform |
| D. | Friction between plates is taken into account |
| E. | None of these. |
| Answer» C. Stress in the plate in not uniform | |
| 3846. |
If P is the allowable bending stress in a slab, whose greater and lesser projections from the column faces, are A and B, the thickness (t) of the slab base, is (where w is the intensity of earth pressure.) |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-88-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-88-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-88-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-88-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/steel-structure-design/99-14-88-4.png"> | |
| 3847. |
Under a concentrated load, bearing stress fb in a beam, is given by (where b is the length of the bearing plate and h is the depth of the root of the fillet). |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-143-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-143-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-143-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-143-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/steel-structure-design/104-14-143-3.png"> | |
| 3848. |
If R is the reaction on the bearing plate, the minimum moment of. inertia of the bearing stiffener provided at the support of a plate girder of overall depth D, the maximum thickness of the compression flange T, carrying total load W, is |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/109-14-214-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/109-14-214-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/109-14-214-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/109-14-214-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/steel-structure-design/109-14-214-3.png"> | |
| 3849. |
The economical depth d of a web plate in which allowable bearing stress is fb, and the maximum bending moment is M, as suggested by Rawater and Clark, is |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-164-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-164-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-164-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-164-4.png"> |
| E. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-164-5.png"> |
| Answer» F. | |
| 3850. |
The tensile force required to cause an elongation of 0.045 mm in a steel rod of 1000 mm length and 12 mm diameter, is (where E = 2 x 106 kg/cm2) |
| A. | 166 kg |
| B. | 102 kg |
| C. | 204 kg |
| D. | 74 kg |
| Answer» C. 204 kg | |