MCQOPTIONS
Saved Bookmarks
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.
| 501. |
Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as |
| A. | linear strain |
| B. | lateral strain |
| C. | volumetric strain |
| D. | shear strain |
| Answer» C. volumetric strain | |
| 502. |
For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45° to the principal planes. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 503. |
According to Euler's column theory, the crippling load for a column length (l) hinged at both ends, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 504. |
Rivets are generally specified by |
| A. | thickness of plates to be joined |
| B. | overall length |
| C. | shank diameter |
| D. | diameter of head |
| Answer» D. diameter of head | |
| 505. |
The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually. |
| A. | equal to |
| B. | one-half |
| C. | twice |
| D. | four times |
| Answer» E. | |
| 506. |
The maximum deflection of a cantilever beam of length L with a point load W at the free end is |
| A. | WL³/3EI |
| B. | WL³/8EI |
| C. | WL³/16EI |
| D. | WL³/48EI |
| Answer» B. WL³/8EI | |
| 507. |
The maximum tangential stress in a thick cylindrical shell is always __________ the internal pressure acting on the shell. |
| A. | equal to |
| B. | less than |
| C. | greater than |
| D. | None of these |
| Answer» D. None of these | |
| 508. |
The relation between equivalent length (L) and actual length (l) of a column for one end fixed and the other end hinged is |
| A. | L = l/2 |
| B. | L = l/2 |
| C. | L = l |
| D. | L = 4l |
| Answer» D. L = 4l | |
| 509. |
Which of the following is a proper sequence? |
| A. | proportional limit, elastic limit, yielding, failure |
| B. | elastic limit, proportional limit, yielding, failure |
| C. | yielding, proportional limit, elastic limit, failure |
| D. | none of the above |
| Answer» B. elastic limit, proportional limit, yielding, failure | |
| 510. |
For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to __________ of the main circle. |
| A. | one-half |
| B. | one-third |
| C. | one-fourth |
| D. | one-eighth |
| Answer» D. one-eighth | |
| 511. |
If the section modulus of a beam is increased, the bending stress in the beam will |
| A. | not change |
| B. | increase |
| C. | decrease |
| D. | None of these |
| Answer» D. None of these | |
| 512. |
A spring, when loaded, is permanently distorted and recover its original shape when the load is removed. |
| A. | Agree |
| B. | Disagree |
| C. | Can't say |
| D. | None of these |
| Answer» B. Disagree | |
| 513. |
The assumption made in Euler's column theory is that |
| A. | the failure of column occurs due to buckling alone |
| B. | the length of column is very large as compared to its cross-sectional dimensions |
| C. | the column material obeys Hooke's law |
| D. | all of the above |
| Answer» E. | |
| 514. |
A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was |
| A. | mild steel |
| B. | cast iron |
| C. | glass |
| D. | copper |
| Answer» C. glass | |
| 515. |
A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be |
| A. | 400 MPa |
| B. | 500 MPa |
| C. | 900 MPa |
| D. | 1400 MPa |
| Answer» C. 900 MPa | |
| 516. |
The maximum bending moment for the beam shown in the below figure, lies at a distance of __________ from the end B. |
| A. | l/2 |
| B. | l/3 |
| C. | I/√2 |
| D. | I/√3 |
| Answer» E. | |
| 517. |
When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at __________ to the normal of the section. |
| A. | 0° |
| B. | 30° |
| C. | 45° |
| D. | 90° |
| Answer» B. 30° | |
| 518. |
A double strap butt joint with equal straps is |
| A. | always in single shear |
| B. | always in double shear |
| C. | either in single shear or double shear |
| D. | none of these |
| Answer» C. either in single shear or double shear | |
| 519. |
When a thin cvlindrical shell is subjected to an internal pressure, the volumetric strain is (where ε1 = Hoop strain, and ε2 = Longitudinal strain) |
| A. | 2ε1 - ε2 |
| B. | 2ε1 + ε2 |
| C. | 2ε2 - ε1 |
| D. | 2ε2 + ε1 |
| Answer» C. 2ε2 - ε1 | |
| 520. |
Principle plane is a plane on which the shear stress is |
| A. | zero |
| B. | minimum |
| C. | maximum |
| D. | None of these |
| Answer» B. minimum | |
| 521. |
In the below figure, the stress corresponding to point D is |
| A. | yield point stress |
| B. | breaking stress |
| C. | ultimate stress |
| D. | elastic limit |
| Answer» D. elastic limit | |
| 522. |
The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length will be |
| A. | a right angled triangle |
| B. | an issoscles triangle |
| C. | an equilateral triangle |
| D. | a rectangle |
| Answer» B. an issoscles triangle | |
| 523. |
The design of thin cylindrical shells is based on |
| A. | hoop stress |
| B. | longitudinal stress |
| C. | arithmetic mean of the hoop and the longitudinal stress |
| D. | geometric mean of the hoop and longitudinal stress |
| Answer» B. longitudinal stress | |
| 524. |
The polar moment of inertia of a solid circular shaft of diameter (D) is |
| A. | πD³/16 |
| B. | πD³/32 |
| C. | πD⁴/32 |
| D. | πD⁴/64 |
| Answer» D. πD⁴/64 | |
| 525. |
The maximum bending moment of a simply supported beam with central point load lies at the point of loading. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 526. |
For the two shafts connected in parallel and subjected to twisting moment, the angle of twist of each shaft will be same. |
| A. | Yes |
| B. | No |
| C. | Can't say |
| D. | None of these |
| Answer» B. No | |
| 527. |
The hoop stress in a thick cylindrical shell is maximum at the inner radius. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» B. False | |
| 528. |
When a body is subjected to direct tensile stresses (σx and σy ) in two mutually perpendicular directions, accompanied by a simple shear stress τxy , then in Mohr's circle method, the circle radius is taken as |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 529. |
The thermal stress __________ upon the cross-sectional area of the bar. |
| A. | depends |
| B. | does not depend |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 530. |
A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be |
| A. | -100 MPa |
| B. | 250 MPa |
| C. | 300 MPa |
| D. | 400 MPa |
| Answer» E. | |
| 531. |
The resultant stress on an inclined plane which is inclined at an angle θ to the normal cross-section of a body which is subjected to a direct tensile stress (σ) in one plane, is |
| A. | σ sin θ |
| B. | σ cos θ |
| C. | σ sin²θ |
| D. | σ cos²θ |
| Answer» C. σ sin²θ | |
| 532. |
The value of equivalent length is taken to be half of the actual length of a column with one end fixed and the other end free. |
| A. | Agree |
| B. | Disagree |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 533. |
The maximum deflection of a fixed beam of length L carrying a total load W uniformly distributed over the whole length is |
| A. | WL³/48EI |
| B. | WL³/96EI |
| C. | WL³/192EI |
| D. | WL³/384EI |
| Answer» E. | |
| 534. |
When a rectangular bar of length l, breadth b and thickness t is subjected to an axial pull of P, then linear strain (ε) is given by (where E = Modulus of elasticity) |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 535. |
The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the free end. |
| A. | zero |
| B. | wl/4 |
| C. | wl/2 |
| D. | wl |
| Answer» B. wl/4 | |
| 536. |
The volumetric strain is the ratio of the |
| A. | original thickness to the change in thickness |
| B. | change in thickness to the original thickness |
| C. | original volume to the change in volume |
| D. | change in volume to the original volume |
| Answer» E. | |
| 537. |
A thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is |
| A. | pd/t |
| B. | pd/2t |
| C. | pd/4t |
| D. | pd/8t |
| Answer» D. pd/8t | |
| 538. |
Compression members always tend to buckle in the direction of the |
| A. | axis of load |
| B. | perpendicular to the axis of load |
| C. | minimum cross section |
| D. | least radius of gyration |
| Answer» E. | |
| 539. |
When a bar of length l, width b and thickness t is subjected to a pull of P, its |
| A. | length, width and thickness increases |
| B. | length, width and thickness decreases |
| C. | length increases, width and thickness decreases |
| D. | length decreases, width and thickness increases |
| Answer» D. length decreases, width and thickness increases | |
| 540. |
Lame's theory is associated with |
| A. | thin cylindrical shells |
| B. | thick cylindrical shells |
| C. | direct and bending stresses |
| D. | none of these |
| Answer» C. direct and bending stresses | |
| 541. |
A thick pressure vessel is always used for the generation of steam, as it can withstand high pressures. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 542. |
Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio of 2:5, then the ratio of modulus of elasticity of the two materials will be |
| A. | 2:5 |
| B. | 5:2 |
| C. | 4:3 |
| D. | 3:4 |
| Answer» C. 4:3 | |
| 543. |
Parallel fillet welds are designed for bending strength. |
| A. | Agree |
| B. | Disagree |
| C. | Can't say |
| D. | None of these |
| Answer» B. Disagree | |
| 544. |
The radius of the Mohr 's circle in the given figure is equal to |
| A. | sum of two principal stresses |
| B. | difference of two principal stresses |
| C. | half the sum of two principal stresses |
| D. | half the difference of two principal stresses |
| Answer» E. | |
| 545. |
Two closely-coiled helical springs 'A' and 'B' of the same matenal, same number of turns and made from same wire are subjected to an axial load W. The mean diameter of spring 'A' is double the mean diameter of spring 'B'. The ratio of deflections in spring 'B' to spring 'A' will be |
| A. | 1/8 |
| B. | 1/4 |
| C. | 2 |
| D. | 4 |
| Answer» B. 1/4 | |
| 546. |
A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be |
| A. | -100 MPa |
| B. | 250 MPa |
| C. | 300 MPa |
| D. | 400 MPa |
| Answer» C. 300 MPa | |
| 547. |
In a leaf spring, the length of all the leaves are equal. |
| A. | True |
| B. | False |
| C. | Can't say |
| D. | None of these |
| Answer» C. Can't say | |
| 548. |
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 |
| Answer» C. same bending moment at every section | |
| 549. |
The section modulus of a circular section about an axis through its C.G., is |
| A. | πd²/4 |
| B. | πd²/16 |
| C. | πd³/16 |
| D. | πd³/32 |
| Answer» E. | |
| 550. |
The shear modulus of most materials with respect to the modulus of elasticity is |
| A. | equal to half |
| B. | less than half |
| C. | more than half |
| D. | none of these |
| Answer» C. more than half | |