MCQOPTIONS
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MCQOPTIONS
This section includes 367 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is |
| A. | Wl²/4 |
| B. | Wl²/8 |
| C. | Wl²/10 |
| D. | Wl²/16 |
| Answer» E. | |
| 102. |
In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called |
| A. | under-reinforced section |
| B. | over reinforced section |
| C. | economic section |
| D. | critical section. |
| Answer» C. economic section | |
| 103. |
In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as |
| A. | a key |
| B. | a cut-off wall |
| C. | a rib |
| D. | all the above. |
| Answer» E. | |
| 104. |
The ratio of the breadth to effective depth of a beam is kept |
| A. | 0.25 |
| B. | 0.50 |
| C. | 0.70 |
| D. | 0.75 |
| Answer» C. 0.70 | |
| 105. |
The angle of internal friction of soil mass is the angle whose |
| A. | tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane |
| B. | sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane |
| C. | cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane |
| D. | none of these. |
| Answer» B. sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane | |
| 106. |
An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm φ placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is |
| A. | 49.9 kg/cm² |
| B. | 100 kg/cm² |
| C. | 250 kg/cm² |
| D. | 175 kg/cm² |
| Answer» B. 100 kg/cm² | |
| 107. |
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is |
| A. | 8.3 kg/cm² |
| B. | 7.6 kg/cm² |
| C. | 21.5 kg/cm² |
| D. | 11.4 kg/cm² |
| Answer» B. 7.6 kg/cm² | |
| 108. |
If A is the sectional area of a prestressed rectangular beam provided with a tendon prestressed by a force P through its centroidal longitudinal axis, the compressive stress in concrete, is |
| A. | P/A |
| B. | A/P |
| C. | P/2A |
| D. | 2A/P |
| Answer» B. A/P | |
| 109. |
For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is |
| A. | 0.6 |
| B. | 0.7 |
| C. | 0.8 |
| D. | 0.9 |
| Answer» E. | |
| 110. |
If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by |
| A. | 0.2 |
| B. | 0.3 |
| C. | 0.4 |
| D. | 0.5 |
| Answer» E. | |
| 111. |
For M 150 mix concrete, according to I.S. specifications, local bond stress, is |
| A. | 5 kg/cm² |
| B. | 10 kg/cm² |
| C. | 15 kg/cm² |
| D. | 20 kg/cm² |
| Answer» C. 15 kg/cm² | |
| 112. |
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than |
| A. | one diameter of thinner bar |
| B. | one diameter of thicker bar |
| C. | sum of the diameters of ihinner and thicker bars |
| D. | twice the diameter of thinner bar |
| Answer» C. sum of the diameters of ihinner and thicker bars | |
| 113. |
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed |
| A. | 10 mm |
| B. | 15 mm |
| C. | 20 mm |
| D. | 25 mm |
| Answer» E. | |
| 114. |
The minimum clear cover for R.C.C. columns shall be |
| A. | greater of 40 mm or diameter |
| B. | smaller of 40 mm or diameter |
| C. | greater of 25 mm or diameter |
| D. | smaller of 25 mm or diameter |
| Answer» D. smaller of 25 mm or diameter | |
| 115. |
If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept |
| A. | 4.5 m |
| B. | 4.0 m |
| C. | 3.5 m |
| D. | 3.0 m |
| Answer» B. 4.0 m | |
| 116. |
The breadth of a ribbed slab containing two bars must be between |
| A. | 6 cm to 7.5 cm |
| B. | 8 cm to 10 cm |
| C. | 10 cm to 12 cm |
| D. | 12 cm to 15 cm |
| Answer» C. 10 cm to 12 cm | |
| 117. |
A prestressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is |
| A. | WL/P |
| B. | WL/2P |
| C. | WL/3P |
| D. | WL/4P |
| Answer» D. WL/4P | |
| 118. |
If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is |
| A. | 200 cm |
| B. | 300 cm |
| C. | 150 cm |
| D. | 100 cm |
| Answer» D. 100 cm | |
| 119. |
The diameter of the column head support a flat slab, is generally kept |
| A. | 0.25 times the span length |
| B. | 0.25 times the diameter of the column |
| C. | 4.0 cm larger than the diameter of the column |
| D. | 5.0 cm larger than the diameter of the column |
| Answer» B. 0.25 times the diameter of the column | |
| 120. |
The minimum number of main steel bars provided in R.C.C. |
| A. | rectangular columns is 4 |
| B. | circular columns is 6 |
| C. | octagonal columns is 8 |
| D. | all the above. |
| Answer» E. | |
| 121. |
The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than |
| A. | 4 mm |
| B. | 5 mm |
| C. | 6 mm |
| D. | 7 mm |
| Answer» E. | |
| 122. |
If the depth of actual neutral axis of a doubly reinforced beam |
| A. | is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier |
| B. | is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier |
| C. | is equal to the depth of critical neutral axis, the concrete and steel attain their maximum stresses simultanesouly |
| D. | all the above. |
| Answer» E. | |
| 123. |
The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is |
| A. | 25 |
| B. | 30 |
| C. | 35 |
| D. | 40 |
| Answer» D. 40 | |
| 124. |
The live load to be considered for an accessible roof, is |
| A. | Nil |
| B. | 75 kg/m³ |
| C. | 150 kg/m² |
| D. | 200 kg/cm² |
| Answer» D. 200 kg/cm² | |
| 125. |
An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is |
| A. | 300 cm |
| B. | 233 cm |
| C. | 176 cm |
| D. | 236 cm |
| Answer» D. 236 cm | |
| 126. |
The weight of reinforced concrete, is generally taken as |
| A. | 2200 kg/m³ |
| B. | 2300 kg/m³ |
| C. | 2400 kg/m³ |
| D. | 2500 kg/m³ |
| Answer» D. 2500 kg/m³ | |
| 127. |
If W is weight of a retaining wall and P is the horizontal earth pressure, the factor of safety against sliding, is |
| A. | 1.0 |
| B. | 1.25 |
| C. | 1.5 |
| D. | 2.0 |
| Answer» D. 2.0 | |
| 128. |
A circular slab subjected to external loading, deflects to form a |
| A. | semi-hemisphere |
| B. | ellipsoid |
| C. | parabolloid |
| D. | none of these. |
| Answer» D. none of these. | |
| 129. |
After prestressing process is completed, a loss of stress is due to |
| A. | shrinkage of concrete |
| B. | elastic shortening of concrete |
| C. | creep of concrete |
| D. | all the above. |
| Answer» E. | |
| 130. |
An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is |
| A. | safe in shear |
| B. | is safe with stirrups |
| C. | is safe with stirrups and inclined members |
| D. | needs revision of the section. |
| Answer» B. is safe with stirrups | |
| 131. |
Dimensions of a beam need be changed if the shear stress is more than |
| A. | 10 kg/cm² |
| B. | 15 kg/cm² |
| C. | 20 kg/cm² |
| D. | 25 kg/cm² |
| Answer» D. 25 kg/cm² | |
| 132. |
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus |
| A. | triangular load of the wall |
| B. | UDL of wall |
| C. | UDL of wall + load from the roof |
| D. | triangular load + load from the roof. |
| Answer» D. triangular load + load from the roof. | |
| 133. |
Thickened part of a flat slab over its supporting column, is technically known as |
| A. | drop panel |
| B. | capital |
| C. | column head |
| D. | none of these. |
| Answer» B. capital | |
| 134. |
The effective width of a column strip of a flat slab, is |
| A. | one-fourth the width of the panel |
| B. | half the width of the panel |
| C. | radius of the column |
| D. | diameter of the column |
| Answer» C. radius of the column | |
| 135. |
On an absolutely rigid foundation base, the pressure will |
| A. | be more at the edges of the foundation |
| B. | be uniform |
| C. | not be uniform |
| D. | be zero at the centre of the foundation. |
| Answer» D. be zero at the centre of the foundation. | |
| 136. |
Lapped splices in tensile reinforcement are generally not used for bars of size larger than |
| A. | 18 mm diameter |
| B. | 24 mm diameter |
| C. | 30 mm diameter |
| D. | 36 mm diameter |
| Answer» E. | |
| 137. |
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than |
| A. | 5 cm |
| B. | 10 cm |
| C. | 15 cm |
| D. | 20 cm |
| Answer» D. 20 cm | |
| 138. |
By over-reinforcing a beam, the moment of resistance can be increased not more than |
| A. | 10% |
| B. | 15% |
| C. | 20% |
| D. | 25% |
| Answer» E. | |
| 139. |
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or |
| A. | 12 bar diameters |
| B. | 18 bar diameters |
| C. | 24 bar diameters |
| D. | 30 bar diameters |
| Answer» D. 30 bar diameters | |
| 140. |
If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a |
| A. | simply supported beam |
| B. | continuous beam |
| C. | cantilever beam |
| D. | none of these. |
| Answer» D. none of these. | |
| 141. |
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes |
| A. | with the horizontal |
| B. | with the vertical |
| C. | with the perpendicular to. the inclined plane of the soil |
| D. | none of these. |
| Answer» B. with the vertical | |
| 142. |
An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at |
| A. | 25° |
| B. | 35° |
| C. | 45° |
| D. | 55° |
| Answer» D. 55° | |
| 143. |
The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is |
| A. | 1400 kg/cm² |
| B. | 190 kg/cm² |
| C. | 260 kg/cm² |
| D. | 230 kg/cm² |
| Answer» B. 190 kg/cm² | |
| 144. |
The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is |
| A. | 35 |
| B. | 25 |
| C. | 30 |
| D. | 20 |
| Answer» D. 20 | |
| 145. |
The maximum permissible size of aggregates to be used in casting the ribs of a slab, is |
| A. | 5 mm |
| B. | 7.5 mm |
| C. | 10 mm |
| D. | 15 mm |
| Answer» D. 15 mm | |
| 146. |
The maximum area of tension reinforcement in beams shall not exceed |
| A. | 0.15% |
| B. | 1.5% |
| C. | 4% |
| D. | 1% |
| Answer» D. 1% | |
| 147. |
If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 148. |
If the modular ratio is m, steel ratio is r and overall depth of a beam is d, the depth of the critical neutral axis of the beam, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 149. |
If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 150. |
If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the prestressed beam is L, the upward uniform pressure will be |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |