MCQOPTIONS
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MCQOPTIONS
This section includes 948 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 801. |
The neutral axis of a beam is subjected to __________ stress. |
| A. | zero |
| B. | maximum tensile |
| C. | minimum tensile |
| D. | maximum compressive |
| Answer» B. maximum tensile | |
| 802. |
If percentage elongation of a certain specimen made of a material 'A' under tensile test is 30% and the percentage elongation of a specimen with same dimensions made of another material 'B' is 40%, then material 'B' is more ductile than material 'A'. |
| A. | Correct |
| B. | Incorrect |
| C. | Can't say |
| D. | None of these |
| Answer» B. Incorrect | |
| 803. |
When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by |
| A. | Cd⁴/D³n |
| B. | Cd⁴/2D³n |
| C. | Cd⁴/4D³n |
| D. | Cd⁴/8D³n |
| Answer» E. | |
| 804. |
The equivalent length, of a given column with given end conditions, is the length of an equivalent column of the same material and cross-section with hinged ends, and having the value of crippling load equal to that of the given column. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 805. |
The point of contraflexure occurs in |
| A. | cantilever beams |
| B. | simply supported beams |
| C. | overhanging beams |
| D. | fixed beams |
| Answer» D. fixed beams | |
| 806. |
A thin cylindrical shell of diameter (d), length (l) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to hoop strain is |
| A. | m-2/2m-1 |
| B. | 2m-1/m-2 |
| C. | m-2/2m+1 |
| D. | 2m+1/m-2 |
| Answer» B. 2m-1/m-2 | |
| 807. |
When a body is subjected to bi-axial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then minimum normal stress is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 808. |
When a thin cylindrical shell is subjected to an internal pressure, there will be |
| A. | a decrease in diameter and length of the shell |
| B. | an increase in diameter and decrease in length of the shell |
| C. | a decrease in diameter and increase in length of the shell |
| D. | an increase in diameter and length of the shell |
| Answer» E. | |
| 809. |
For a beam, as shown in the below figure, the maximum deflection lies at |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 810. |
In order to avoid tearing off the plate at an edge, the distance from the centre of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm) |
| A. | d |
| B. | 1.5 d |
| C. | 2 d |
| D. | 2.5 d |
| Answer» C. 2 d | |
| 811. |
Shear strength of the welded joint for double parallel fillet is (where τ = Allowable shear stress for weld metal) |
| A. | 0.5 s.l.τ |
| B. | s.l.τ |
| C. | 2 s.l.τ |
| D. | 2.s.l.τ |
| Answer» D. 2.s.l.τ | |
| 812. |
A lap joint is always in __________ shear. |
| A. | single |
| B. | double |
| C. | Can't say |
| D. | None of these |
| Answer» B. double | |
| 813. |
When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress. |
| A. | equal to |
| B. | one-half |
| C. | two-third |
| D. | twice |
| Answer» C. two-third | |
| 814. |
The deformation of a bar under its own weight is __________ the deformation, if the same body is subjected to a direct load equal to weight of the body. |
| A. | equal to |
| B. | half |
| C. | double |
| D. | quadruple |
| Answer» C. double | |
| 815. |
In watches, the spring is used to absorb shocks and vibrations. |
| A. | Yes |
| B. | No |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 816. |
A section of beam is said to be in pure bending, if it is subjected to |
| A. | constant bending moment and constant shear force |
| B. | constant shear force and zero bending moment |
| C. | constant bending moment and zero shear force |
| D. | none of the above |
| Answer» D. none of the above | |
| 817. |
The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l = Length of weld, and σt = Allowable tensile stress for weld metal) |
| A. | 0.5 s.l.σt |
| B. | s.l.σt |
| C. | 2 s.l.σt |
| D. | 2.s.l.σt |
| Answer» D. 2.s.l.σt | |
| 818. |
The rivets are made from ductile material. |
| A. | Yes |
| B. | No |
| C. | Can't say |
| D. | None of these |
| Answer» B. No | |
| 819. |
A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with one end fixed and the other end free. |
| A. | l/8 |
| B. | l/4 |
| C. | l/2 |
| D. | l |
| Answer» C. l/2 | |
| 820. |
The maximum bending moment of a simply supported beam of span l and carrying a point load W at the centre of beam, is |
| A. | Wl/4 |
| B. | Wl/2 |
| C. | Wl |
| D. | Wl2/4 |
| Answer» B. Wl/2 | |
| 821. |
A thin cylindrical shell of diameter (d) length (l) and thickness (t) is subjected to an internal pressure (p). The longitudinal stress in the shell is |
| A. | pd/t |
| B. | pd/2t |
| C. | pd/4t |
| D. | pd/6t |
| Answer» D. pd/6t | |
| 822. |
The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is |
| A. | d/4 |
| B. | d/8 |
| C. | d/12 |
| D. | d/16 |
| Answer» C. d/12 | |
| 823. |
A column that fails due to direct stress, is called |
| A. | short column |
| B. | long column |
| C. | weak column |
| D. | medium column |
| Answer» B. long column | |
| 824. |
The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the other end, and subjected to an axial pull of P is __________ the extension of a circular bar of diameter d1 d2 subjected to the same load P. |
| A. | equal to |
| B. | less than |
| C. | greater than |
| D. | None of these |
| Answer» B. less than | |
| 825. |
In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of the cylinder is |
| A. | maximum at the outer surface and minimum at the inner surface |
| B. | maximum at the inner surface and minimum at the outer surface |
| C. | maximum at the outer surface and zero at the inner surface |
| D. | maximum at the inner surface arid zero at the outer surface |
| Answer» E. | |
| 826. |
When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 827. |
Young's modulus may be defined as the ratio of |
| A. | linear stress to lateral strain |
| B. | lateral strain to linear strain |
| C. | linear stress to linear strain |
| D. | shear stress to shear strain |
| Answer» D. shear stress to shear strain | |
| 828. |
The ratio of bulk modulus to Young's modulus for a Poisson's ratio of 0.25 will be |
| A. | 1/3 |
| B. | 2/3 |
| C. | 1 |
| D. | 3/2 |
| Answer» C. 1 | |
| 829. |
According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends. |
| A. | equal to |
| B. | less than |
| C. | more than |
| D. | None of these |
| Answer» C. more than | |
| 830. |
A welded joint as compared to a riveted joint has __________ strength. |
| A. | same |
| B. | less |
| C. | more |
| D. | None of these |
| Answer» D. None of these | |
| 831. |
Mohr's circle is used to determine the stresses on an oblique section of a body subjected to |
| A. | direct tensile stress in one plane accompanied by a shear stress |
| B. | direct tensile stress in two mutually perpendicular directions |
| C. | direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress |
| D. | all of the above |
| Answer» E. | |
| 832. |
Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft 'B' is 300 r.p.m. The shaft 'B' has the greater diameter. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 833. |
For the beam shown in the below figure, the shear force diagram between A and B is |
| A. | a horizontal line |
| B. | a vertical line |
| C. | an inclined line |
| D. | a parabolic curve |
| Answer» E. | |
| 834. |
In a riveted joint, when the number of rivets decreases from the inner most row to outer most row, the joint is said to be |
| A. | chain riveted |
| B. | zig-zag riveted |
| C. | diamond riveted |
| D. | none of these |
| Answer» D. none of these | |
| 835. |
When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy ), the maximum normal stress is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 836. |
Two closely-coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is double that of spring 'B'. The stiffness of spring 'A' will be __________ that of spring 'B'. |
| A. | one-sixteenth |
| B. | one-eighth |
| C. | one-fourth |
| D. | one-half |
| Answer» E. | |
| 837. |
According to Euler's column theory, the crippling load for a column of length (L) with one end fixed and the other end hinged, is |
| A. | π²EI/L² |
| B. | π²EI/4L² |
| C. | 2π²EI/L² |
| D. | 4π²EI/L² |
| Answer» D. 4π²EI/L² | |
| 838. |
When a bar of length l and diameter d is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar) |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 839. |
The breaking stress is __________ the ultimate stress. |
| A. | equal to |
| B. | less than |
| C. | greater than |
| D. | None of these |
| Answer» C. greater than | |
| 840. |
The ratio of shear modulus to the modulus of elasticity for a Poisson's ratio of 0.4 will be |
| A. | 5/7 |
| B. | 7/5 |
| C. | 5/14 |
| D. | 14/5 |
| Answer» D. 14/5 | |
| 841. |
A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be |
| A. | tensile |
| B. | compressive |
| C. | shear |
| D. | zero |
| Answer» C. shear | |
| 842. |
In a stress-strain diagram for mild steel, as shown in the below figure, the point A represents |
| A. | elastic limit |
| B. | upper yield-point |
| C. | lower yield point |
| D. | breaking point |
| Answer» B. upper yield-point | |
| 843. |
The polar modulus for a hollow shaft of outer diameter (D) and inner diameter (d) is |
| A. | π/4(D² - d²/D) |
| B. | π/16(D³ - d³/D) |
| C. | π/16(D⁴ - d⁴/D) |
| D. | π/32(D⁴ - d⁴/D) |
| Answer» D. π/32(D⁴ - d⁴/D) | |
| 844. |
The longitudinal stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is |
| A. | pd/tȵ |
| B. | pd/2tȵ |
| C. | pd/4tȵ |
| D. | pd/8tȵ |
| Answer» D. pd/8tȵ | |
| 845. |
In the below figure, Hook's law holds good, for the portion from O to A. |
| A. | Agree |
| B. | Disagree |
| C. | Can't say |
| D. | None of the above |
| Answer» B. Disagree | |
| 846. |
The torsional rigidity of a shaft is expressed by the torque required to produce a twist of one radian per unit length of a shaft. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 847. |
Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called |
| A. | strain |
| B. | stress |
| C. | pressure |
| D. | modulus of elasticity |
| Answer» C. pressure | |
| 848. |
When a closely-coiled helical spring is subjected to an axial load, it is said to be under |
| A. | bending |
| B. | shear |
| C. | torsion |
| D. | crushing |
| Answer» D. crushing | |
| 849. |
When the shear force diagram is a parabolic curve between two points, it indicates that there is a |
| A. | point load at the two points |
| B. | no loading between the two points |
| C. | uniformly distributed load between the two points |
| D. | uniformly varying load between the two points |
| Answer» E. | |
| 850. |
A rectangular bar of width b and height h is being used as a cantilever. The loading is in a plane parallel to the side b. The section modulus is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |