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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.
| 3851. |
Long column is one |
| A. | which is more than 3 m long |
| B. | whose lateral dimension is less than 25 cm |
| C. | which is free at its top |
| D. | which has a ratio of effective length and least lateral dimension more than 15. |
| Answer» E. | |
| 3852. |
For a single section used as a tension member, the given area is assumed |
| A. | 20% to 30% in excess of the net area |
| B. | 30% to 40% in excess of the net area |
| C. | 40% to 50% in excess of the net area |
| D. | 50% to 60% in excess of the net area |
| E. | 60% to 70% in excess of the net area. |
| Answer» D. 50% to 60% in excess of the net area | |
| 3853. |
The property of a material by which it can be beaten or rolled into thin plates, is called |
| A. | malleability |
| B. | ductility |
| C. | plasticity |
| D. | elasticity. |
| Answer» B. ductility | |
| 3854. |
In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be |
| A. | at the lower cross-section |
| B. | at the built-in upper cross-section |
| C. | at the central cross-section |
| D. | at every point of the bar. |
| Answer» C. at the central cross-section | |
| 3855. |
The materials which have the same elastic properties in all directions, are called |
| A. | isotropic |
| B. | brittle |
| C. | homogeneous |
| D. | hard. |
| Answer» B. brittle | |
| 3856. |
The greatest eccentricity which a load W can have without producing tension on the cross-section of a short column of external diameter D and internal diameter d, is |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.117-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.117-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.117-3.png"> |
| D. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.117-4.png"> |
| E. | <img src="/_files/images/civil-engineering/strength-of-materials/131-6.117-5.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/strength-of-materials/131-6.117-4.png"> | |
| 3857. |
The type of butt joints in common use, is : |
| A. | single inverted V-butt joint |
| B. | double V-butt joint |
| C. | double U-butt joint |
| D. | single V-butt joint. |
| Answer» B. double V-butt joint | |
| 3858. |
If a constant section beam is subjected to a uniform bending moment throughout, its length bends to |
| A. | a circular arc |
| B. | a parabolic arc |
| C. | a catenary |
| D. | none of these. |
| Answer» B. a parabolic arc | |
| 3859. |
For structural analysis, Maxwell's reciprocal theorem can be applied to : |
| A. | plastic structures |
| B. | elastic structures |
| C. | symmetrical structures |
| D. | all the above. |
| Answer» C. symmetrical structures | |
| 3860. |
If a shaft is simultaneously subjected to a toque T and a bending moment M, the ratio of maximum bending stress and maximum shearing stress is |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.151-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.151-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.151-3.png"> |
| D. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.151-4.png"> |
| E. | <img src="/_files/images/civil-engineering/strength-of-materials/134-6.151-5.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/strength-of-materials/134-6.151-4.png"> | |
| 3861. |
Struts are load carrying members of a frame structure which are subjected to |
| A. | axial tension loads |
| B. | axial compressive loads |
| C. | torsional loads |
| D. | transverse loads. |
| Answer» C. torsional loads | |
| 3862. |
A simply supported wooden beam 150 cm long and having a cross section 16 cm x 24 cm carries a concentrated load, at the centre. If the permissible stress ft = 75 kg/cm2 and fs = 10 kg/cm2 the safe load is |
| A. | 3025 kg |
| B. | 3050 kg |
| C. | 3075 kg |
| D. | 3100 kg. |
| Answer» D. 3100 kg. | |
| 3863. |
If the normal cross-section A of a member is subjected to tensile force P, the resulting normal stress in an oblique plane inclined at angle to transverse plane will be |
| A. | <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-1.png"> |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-2.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-3.png"> |
| D. | <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/strength-of-materials/125-6.36-3.png"> | |
| 3864. |
The nature of the stress in horizontal members of the truss shown in below figure may be |
| A. | compressive |
| B. | tensile |
| C. | shear |
| D. | zero |
| E. | all the above. |
| Answer» C. shear | |
| 3865. |
A bending moment may be defined as : |
| A. | Arithmetic sum of the moments of all the forces on either side of the section |
| B. | Arithmetic sum of the forces on either side of the section |
| C. | Algebraic sum of the moments of all the forces on either side of the section |
| D. | None of these. |
| Answer» D. None of these. | |
| 3866. |
Tacking rivets in tension members, are provided at a pitch in line not exceeding |
| A. | 25 cm |
| B. | 50 cm |
| C. | 75 cm |
| D. | 100 cm |
| Answer» E. | |
| 3867. |
The net area of round bars to resist the tension, is the area of cross section at |
| A. | mid-section |
| B. | root of the thread |
| C. | difference of (a) and (b) |
| D. | none of these. |
| Answer» C. difference of (a) and (b) | |
| 3868. |
When the ratio of the moment M to axial load P is greater than, the resultant of the compressive bearing pressure which acts at a distance Y from one side, is given by |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/100-14-93-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/100-14-93-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/100-14-93-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/100-14-93-4.png"> |
| E. | <img src="/_files/images/civil-engineering/steel-structure-design/100-14-93-5.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/steel-structure-design/100-14-93-3.png"> | |
| 3869. |
On steel structures the dead load is the weight of |
| A. | steel work |
| B. | material fastened to steel work |
| C. | material supported permanently |
| D. | all the above. |
| Answer» E. | |
| 3870. |
Rolled steel beams are : |
| A. | mainly used to resist bending stress |
| B. | used as independent sections to resist compressive stress |
| C. | used as independent sections to resist tensile stress |
| D. | All the above. |
| Answer» E. | |
| 3871. |
The side thrust T on the tie rods provided at the end beam of jack arch of rise R, is calculated from the formula |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-148-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-148-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-148-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/104-14-148-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/steel-structure-design/104-14-148-4.png"> | |
| 3872. |
The channels get twisted symmetrically with regard to its axis |
| A. | parallel to flanges |
| B. | parallel to web |
| C. | perpendicular to flanges |
| D. | perpendicular to web. |
| Answer» C. perpendicular to flanges | |
| 3873. |
Maximum permissible slenderness ratio of a member normally acting as a tie in a roof truss, is |
| A. | 180 |
| B. | 200 |
| C. | 250 |
| D. | 300 |
| E. | 350 |
| Answer» F. | |
| 3874. |
When the depth of a plate girder is at least n times the depth of vertical leg of the flange angles, the girder is known as deep plate girder, if n is |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| E. | 10 |
| Answer» E. 10 | |
| 3875. |
Stiffeners are used in a plate girder |
| A. | to reduce the compressive stress |
| B. | to reduce the shear stress |
| C. | to take the bearing stress |
| D. | to avoid buckling of web plate. |
| Answer» E. | |
| 3876. |
Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm2, is |
| A. | 1 cm |
| B. | 1.5 cm |
| C. | 2 cm |
| D. | 2.5 cm |
| E. | 3 cm |
| Answer» D. 2.5 cm | |
| 3877. |
In a tension member if one or more than one rivet holes are off the line, the failure of the member depends upon : |
| A. | pitch |
| B. | gauge |
| C. | diameter of the rivet holes |
| D. | all the above. |
| Answer» E. | |
| 3878. |
When a column is subjected to eccentric load having eccentricity ex, with respect to x-axis and eccentricity ey with respect to y-axis the column is subjected to moment in two directions and the equivalent axial load, is |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-81-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-81-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-81-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/98-14-81-4.png"> |
| E. | none of these. |
| Answer» B. <img src="/_files/images/civil-engineering/steel-structure-design/98-14-81-2.png"> | |
| 3879. |
The value of f.o.s 'm' in the formula for safe compressive stress for a column is taken as |
| A. | 1.5 |
| B. | 1.6 |
| C. | 1.68 |
| D. | 1.88 |
| Answer» D. 1.88 | |
| 3880. |
Maximum permissible slenderness ratio of compression members which carry dead and superimposed load, is |
| A. | 350 |
| B. | 250 |
| C. | 180 |
| D. | 80 |
| E. | 75 |
| Answer» D. 80 | |
| 3881. |
In a grillage footing, the maximum shear force occurs at the |
| A. | edge of grillage beam |
| B. | edge of base plate |
| C. | centre of grillage beam |
| D. | centre of base plate. |
| Answer» C. centre of grillage beam | |
| 3882. |
If d is the diameter of column, D is the side of square base, W is total axial load and p is the allowable bending stress, the thickness (t) of the base plate, is |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-89-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-89-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-89-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/99-14-89-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/steel-structure-design/99-14-89-4.png"> | |
| 3883. |
Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of |
| A. | area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment |
| B. | area of tension flange at the minimum bending moment of the corresponding area at the point of maximum bending moment |
| C. | total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment |
| D. | none of these. |
| Answer» D. none of these. | |
| 3884. |
Rivets subjected to shear and an externally applied tensile force, should be so proportioned that |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/95-14-44-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/95-14-44-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/95-14-44-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/95-14-44-4.png"> |
| Answer» E. | |
| 3885. |
Cold driven rivets range from |
| A. | 6 to 10 mm in diameter |
| B. | 10 to 16 mm in diameter |
| C. | 12 to 22 mm in diameter |
| D. | 22 to 32 mm in diameter |
| E. | none of these. |
| Answer» D. 22 to 32 mm in diameter | |
| 3886. |
The main type of butt joints, is a double cover |
| A. | shear riveted joint |
| B. | chain riveted joint |
| C. | zig-zag riveted joint |
| D. | all the above. |
| Answer» E. | |
| 3887. |
Outstanding length of a compression member consisting of a channel, is measured as |
| A. | half of the nominal width |
| B. | nominal width of the section |
| C. | from the edge to the first row of rivets |
| D. | none of these. |
| Answer» C. from the edge to the first row of rivets | |
| 3888. |
According to IS: 800-1962, the coefficient of expansion of steel per degree centigrade per unit length, is taken as |
| A. | 0.000008 |
| B. | 0.000010 |
| C. | 0.000012 |
| D. | 0.000014 |
| E. | 0.000016 |
| Answer» D. 0.000014 | |
| 3889. |
A fluid particle may possess the displacement of |
| A. | translation |
| B. | rotation |
| C. | distortion |
| D. | all the above. |
| Answer» E. | |
| 3890. |
If total head available at the inlet of pipe and f1 is the loss of head due to friction in the pipe, the maximum efficiency of transmission of power ( max) is |
| A. | 1/2 |
| B. | 2/3 |
| C. | 3/4 |
| D. | 4/5 |
| Answer» C. 3/4 | |
| 3891. |
For the same height, the bottom width for no tension, |
| A. | for triangular section is more than rectangular section |
| B. | for rectangular section is more than triangular section |
| C. | for triangular section is same as that of a rectangular section |
| D. | none of these. |
| Answer» D. none of these. | |
| 3892. |
The phenomenon of slow growth of strain under a steady tensile stress, is called |
| A. | yielding |
| B. | creeping |
| C. | breaking |
| D. | none of these. |
| Answer» C. breaking | |
| 3893. |
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 |
| E. | 180 and 200 |
| Answer» C. 120 and 160 | |
| 3894. |
A solid circular shaft of diameter d is subjected to a torque T. The maximum normal stress induced in the shaft, is |
| A. | zero |
| B. | <img src="/_files/images/civil-engineering/strength-of-materials/140-6.219-1.png"> |
| C. | <img src="/_files/images/civil-engineering/strength-of-materials/140-6.219-2.png"> |
| D. | none of these. |
| Answer» C. <img src="/_files/images/civil-engineering/strength-of-materials/140-6.219-2.png"> | |
| 3895. |
Hooke's law states that stress and strain are |
| A. | directly proportional |
| B. | inversely proportional |
| C. | curvilinearly related |
| D. | none of these. |
| Answer» B. inversely proportional | |
| 3896. |
The ratio of hydrostatic stress to the volumetric strain within the elastic range, is called |
| A. | modulus of elasticity |
| B. | shear modulus of elasticity |
| C. | bulk modulus of elasticity |
| D. | tangent modulus of elasticity |
| E. | all the above. |
| Answer» F. | |
| 3897. |
The deflection of beams may be decreased by |
| A. | increasing the depth of beam |
| B. | increasing the span |
| C. | decreasing the depth of beam |
| D. | increasing the width of beam |
| E. | none of these. |
| Answer» B. increasing the span | |
| 3898. |
The diameter of a bolt hole is taken as the nominal diameter of the bolt plus |
| A. | 1.0 mm |
| B. | 1.2 mm |
| C. | 1.4 mm |
| D. | 1.6 mm |
| E. | 1.5 mm |
| Answer» E. 1.5 mm | |
| 3899. |
In a built up section carrying a tensile force, the flanges of two channels are turned outward |
| A. | to simplify the transverse connections |
| B. | to minimise lacing |
| C. | to have greater lateral rigidity |
| D. | all the above |
| E. | none of the above. |
| Answer» D. all the above | |
| 3900. |
Efficiency of a riveted joint is defined as the ratio of |
| A. | least strength of a riveted joint to the strength of solid plate |
| B. | greatest strength of a riveted joint to the strength of solid plate |
| C. | least strength of a riveted plate to the greatest strength of the riveted joint |
| D. | all the above. |
| Answer» E. | |