MCQOPTIONS
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MCQOPTIONS
This section includes 224 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
If N is the number of rivets in the joint, the strength of a riveted joint against shearing of rivets, is given by |
| A. | Ps = N x (π/4) d² x Ps |
| B. | Ps = N x (d x t x ps) |
| C. | Ps = N x (p - d) x t x Ps |
| D. | Ps = N x (P + d) x t x ps. |
| Answer» B. Ps = N x (d x t x ps) | |
| 102. |
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 | |
| 103. |
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 |
| Answer» D. 18 tonnes | |
| 104. |
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 | |
| 105. |
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 |
| Answer» D. 50% to 60% in excess of the net area | |
| 106. |
A beam may be designed as a cased beam if |
| A. | section is of double open channel form with the webs not less than 40 mm apart |
| B. | overall depth and width of the steel section do not exceed 750 and 450 mm respectively. |
| C. | beam is solidly encased in concrete with 10 mm aggregate having 28 days strength 160 kg/cm² |
| D. | all the above. |
| Answer» E. | |
| 107. |
The cross-section of a standard fillet is a triangle whose base angles are |
| A. | 45° and 45° |
| B. | 30° and 60° |
| C. | 40° and 50° |
| D. | 20° and 70° |
| Answer» B. 30° and 60° | |
| 108. |
The permissible stress to which a structural member can be subjected to, is known as |
| A. | bearing stress |
| B. | working stress |
| C. | tensile stress |
| D. | compressive stress |
| Answer» C. tensile stress | |
| 109. |
A 20 mm dia steel bar which is subjected to an axial tension of 2300 kg/cm² produces a strain of 0.004 cm. If Young's modulus of steel is 2.1 x 10⁶ kg/cm², the bar is |
| A. | in the elastic range |
| B. | in the plastic range |
| C. | at yield point |
| D. | none of these. |
| Answer» B. in the plastic range | |
| 110. |
In case of cantilever fillers, the ratio of the span L to depth d, should not exceed |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 16 |
| Answer» D. 16 | |
| 111. |
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. | |
| 112. |
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 |
| Answer» B. 1/350 of the span | |
| 113. |
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. | T = WL/4R |
| B. | T = WR/8L |
| C. | T = WL/8R |
| D. | T = WL/2R |
| Answer» D. T = WL/2R | |
| 114. |
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. | |
| 115. |
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 |
| Answer» C. 1.50 times the effective span | |
| 116. |
When a load is transferred through one surface to another surface in contact, the stress is known as |
| A. | tensile stress |
| B. | compressive stress |
| C. | shearing stress |
| D. | none of these. |
| Answer» E. | |
| 117. |
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. | |
| 118. |
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 |
| Answer» B. increasing the span | |
| 119. |
The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of the web, is less than |
| A. | 45 |
| B. | 55 |
| C. | 60 |
| D. | 82 |
| Answer» E. | |
| 120. |
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 | |
| 121. |
The beams supporting the steps of a stair are generally known as |
| A. | headers |
| B. | trimmers |
| C. | stringers |
| D. | spandrel beams. |
| Answer» D. spandrel beams. | |
| 122. |
The effective length of a weld, is taken as the actual length |
| A. | minus the size of weld |
| B. | minus twice the size of weld |
| C. | plus the size of weld |
| D. | plus twice the size of weld |
| Answer» C. plus the size of weld | |
| 123. |
The most commonly used sections in lateral system to carry shear force in built up columns, are |
| A. | rolled steel flats |
| B. | rolled angles |
| C. | rolled channels |
| D. | all the above. |
| Answer» E. | |
| 124. |
The spans are considered approximately equal if the longest span does not exceed the shortest span by more than |
| A. | 5% |
| B. | 10% |
| C. | 15% |
| D. | 20% |
| Answer» D. 20% | |
| 125. |
Factor of safety is the ratio of |
| A. | yield stress to working stress |
| B. | tensile stress to working stress |
| C. | compressive stress to working stress |
| D. | bearing stress to working stress |
| Answer» B. tensile stress to working stress | |
| 126. |
If the depth of the section of an upper column is smaller than the lower column |
| A. | filler plates are provided with column splice |
| B. | bearing plates are provided with column splice |
| C. | neither filler plates nor bearing plates are provided with column splice |
| D. | filler plates and bearing plates are provided with column splice |
| Answer» E. | |
| 127. |
The stiff portion of a bearing stiffener is taken equal to |
| A. | depth of the beam |
| B. | 5/6th depth of the beam |
| C. | 1/5 depth of the beam |
| D. | 3/4 depth of the beam. |
| Answer» E. | |
| 128. |
Maximum permissible slenderness ratio of compression members which carry dead and superimposed load, is |
| A. | 350 |
| B. | 250 |
| C. | 180 |
| D. | 80 |
| Answer» D. 80 | |
| 129. |
Net sectional area of a tension member, is equal to its gross section area |
| A. | plus the area of the rivet holes |
| B. | divided by the area of rivet holes |
| C. | multiplied by the area of the rivet holes |
| D. | minus the area of the rivet holes |
| Answer» E. | |
| 130. |
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. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 131. |
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. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 132. |
The permissible stress in bending for rolled steel I-beams and channels, is |
| A. | 1500 kg/cm² |
| B. | 1575 kg/cm² |
| C. | 945 kg/cm² |
| D. | 1650 kg/cm² |
| Answer» E. | |
| 133. |
Column footing is provided |
| A. | to spread the column load over a larger area |
| B. | to ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil |
| C. | to distribute the column load over soil through the column footing |
| D. | all the above. |
| Answer» E. | |
| 134. |
The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called |
| A. | pitch of rivet |
| B. | gauge distance of rivet |
| C. | staggered pitch |
| D. | all the above |
| Answer» D. all the above | |
| 135. |
Lug angle is |
| A. | used with single angle member |
| B. | not used with double angle member |
| C. | used with channel member |
| D. | all the above. |
| Answer» E. | |
| 136. |
The maximum permissible slenderness ratio of compression member carrying dead and superimposed load, is |
| A. | 180 |
| B. | 200 |
| C. | 250 |
| D. | 300 |
| Answer» B. 200 | |
| 137. |
According to IS : 800 - 71, the minimum thickness of a vertically stiffened web plate, shall not be less than |
| A. | d/85 |
| B. | d/200 |
| C. | d/225 |
| D. | d/250 |
| Answer» E. | |
| 138. |
According to IS : 800-1962 the permissible bending stress in steel slab plates, is |
| A. | 1500 kg/cm² |
| B. | 1420 kg/cm² |
| C. | 2125 kg/cm² |
| D. | 1890 kg/cm² |
| Answer» E. | |
| 139. |
A compression member consisting of angle sections may be a |
| A. | continuous member |
| B. | discontinuous single angle strut |
| C. | discontinuous double angle strut |
| D. | all the above. |
| Answer» E. | |
| 140. |
For determination of allowable stress in axial compression, Indian Standard Institution has adopted |
| A. | Euler's formula |
| B. | Rankine formula |
| C. | Engesser formula |
| D. | Secant formula |
| Answer» E. | |
| 141. |
Effective length of a column effectively held in position at both ends and restrained in direction at one end, is |
| A. | L |
| B. | 0.67 L |
| C. | 0.85 L |
| D. | 1.5 L |
| Answer» D. 1.5 L | |
| 142. |
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. | |
| 143. |
When two plates are placed end to end and are joined by two cover plates, the joint is known as |
| A. | lap joint |
| B. | butt joint |
| C. | chain riveted lap joint |
| D. | double cover butt joint. |
| Answer» E. | |
| 144. |
The effective length of a compression member of length L held in position at both ends but not restrained in direction, is |
| A. | L |
| B. | 0.67 L |
| C. | 0.85 L |
| D. | 1.5 L |
| Answer» B. 0.67 L | |
| 145. |
If d is the distance between the flange angles of a plate girder, vertical stiffeners are provided at a distance not greater than |
| A. | d but not less than 0.20 d |
| B. | 1.25 d but not less than 0.33 d |
| C. | 1.5 d but not less than 0.33 d |
| D. | 2.0 d but not less than 0.50 d |
| Answer» D. 2.0 d but not less than 0.50 d | |
| 146. |
Diameter of a rivet hole is made larger than the diameter of the rivet by |
| A. | 1.0 mm for rivet diameter upto 12 mm |
| B. | 1.5 mm for rivet diameter exceeding 25 mm |
| C. | 2.0 mm for rivet diameter over 25 mm |
| D. | none of these. |
| Answer» D. none of these. | |
| 147. |
The connection of one beam to another beam by means of an angle at the bottom and an angle at the top, is known as |
| A. | unstiffened seated connection |
| B. | stiffened seated connection |
| C. | seated connection |
| D. | none of these. |
| Answer» D. none of these. | |
| 148. |
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. | |
| 149. |
The greatest permissible clear dimension of the web of thickness t in the panel of a plate girder, is restricted to |
| A. | 180 t |
| B. | 220 t |
| C. | 230 t |
| D. | 270 t |
| Answer» E. | |
| 150. |
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. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |