McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 101. |
In a beam the local bond stress Sb, is equal to |
| A. | Shear force/(Leaver arm × Total perimeter of reinforcement) |
| B. | Total perimeter of reinforcement/(Leaver arm × Shear force) |
| C. | Leaver arm/(Shear force × Total perimeter of reinforcement) |
| D. | Leaver arm/(Bending moment × Total perimeter ofreinforcement) |
| Answer» A. Shear force/(Leaver arm × Total perimeter of reinforcement) | |
| 102. |
A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is |
| A. | 2.5 |
| B. | 2.0 |
| C. | Less than 2 |
| D. | Less than 2.5 |
| Answer» A. 2.5 | |
| 103. |
If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment |
| A. | WL/2 |
| B. | WL/4 |
| C. | WL/6 |
| D. | WL/8 |
| Answer» C. WL/6 | |
| 104. |
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called |
| A. | Balanced section |
| B. | Economic section |
| C. | Critical section |
| D. | All the above |
| Answer» A. Balanced section | |
| 105. |
The vertical portion of a step in a stairs case, is known as |
| A. | Rise |
| B. | Flight |
| C. | Winder |
| D. | Tread |
| Answer» A. Rise | |
| 106. |
For stairs spanning horizontally, the minimum waist provided is |
| A. | 4 cm |
| B. | 6 cm |
| C. | 8 cm |
| D. | 12 cm |
| Answer» D. 12 cm | |
| 107. |
The advantage of a concrete pile over a timber pile, is |
| A. | No decay due to termites |
| B. | No restriction on length |
| C. | Higher bearingcapacity |
| D. | All the above |
| Answer» D. All the above | |
| 108. |
If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is |
| A. | 28 d |
| B. | 38 d |
| C. | 48 d |
| D. | 58 d |
| Answer» D. 58 d | |
| 109. |
For M20 grade of concrete, the maximum shear stress shall not exceed |
| A. | 1.6 N/mm2 |
| B. | 1.9 N/mm2 |
| C. | 2.8 N/mm2 |
| D. | 2.2 N/mm2 |
| Answer» D. 2.2 N/mm2 | |
| 110. |
The number of treads in a flight is equal to |
| A. | Risers in the flight |
| B. | Risers plus one |
| C. | Risers minus one |
| D. | None of these |
| Answer» C. Risers minus one | |
| 111. |
The bond strength between steel and concrete is due to |
| A. | friction |
| B. | adhesion |
| C. | both friction and adhesion |
| D. | None of these |
| Answer» C. both friction and adhesion | |
| 112. |
In a public building width of stair should be at least |
| A. | 1000 mm |
| B. | 1200 mm |
| C. | 1500 mm |
| D. | 1800 mm |
| Answer» D. 1800 mm | |
| 113. |
When minimum eccentricity in columns does not exceed 0.05 times the lateral dimension, the axial load carrying capacity is reduced by |
| A. | 8% |
| B. | 11% |
| C. | 14% |
| D. | 20% |
| Answer» B. 11% | |
| 114. |
The maximum percentage of moment redistribution allowed in RCC beams is |
| A. | 10% |
| B. | 20% |
| C. | 30% |
| D. | 40% |
| Answer» C. 30% | |
| 115. |
Minimum grade of concrete for moderate exposure with normal weight aggregates is |
| A. | M 15 |
| B. | M 20 |
| C. | M 25 |
| D. | M 35 |
| Answer» C. M 25 | |
| 116. |
Minimum grade of concrete for moderate exposure with normal weight aggregates is |
| A. | M 15 |
| B. | M 20 |
| C. | M 25 |
| D. | M 35 |
| Answer» C. M 25 | |
| 117. |
The minimum reinforcement using mild steel in slab should not be less than |
| A. | 0.10% |
| B. | 0.12% |
| C. | 0.15% |
| D. | 2.0% |
| Answer» C. 0.15% | |
| 118. |
The stress strain curve for concrete is considered parabolic by I.S. code upto a strain of |
| A. | 0.0015 |
| B. | 0.0020 |
| C. | 0.0030 |
| D. | 0.0035 |
| Answer» D. 0.0035 | |
| 119. |
For a simply supported beam of span 15 m, the minimum effective depth to satisfy the vertical deflection limits should be |
| A. | 600 mm |
| B. | 750 mm |
| C. | 900 mm |
| D. | more than 1 m |
| Answer» D. more than 1 m | |
| 120. |
Limit state method is based on probable |
| A. | Load |
| B. | Strength. |
| C. | Both A and B |
| D. | none |
| Answer» C. Both A and B | |
| 121. |
The ratio of permissible shear stress in limit state method oof design and working stress method of design is |
| A. | 25 : 16 |
| B. | 5 : 4 |
| C. | 16 : 25 |
| D. | 4 : 5 |
| Answer» A. 25 : 16 | |
| 122. |
If no compression steel is used, two suspended bars of minimum ______ diameter should be used to support shear reinforcement |
| A. | 8 mm |
| B. | 10 mm |
| C. | 12 mm |
| D. | 16 mm |
| Answer» B. 10 mm | |
| 123. |
The load carrying capacity of helically reinforced column as compared to |
| A. | 5% less |
| B. | 10% less |
| C. | 5% more |
| D. | 10% more |
| Answer» C. 5% more | |
| 124. |
What is the minimum number of longitudinal bars provided in a reinforced concrete column of circular circular cross-section ? |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 125. |
For water retaining structures, minimum grade of concrete to be used is |
| A. | M 15 |
| B. | M 20 |
| C. | M 25 |
| D. | M 40 |
| Answer» C. M 25 | |
| 126. |
A strap footing is a special type of |
| A. | Strip footing |
| B. | Raft footing |
| C. | Combined footing |
| D. | Spread footing |
| Answer» C. Combined footing | |
| 127. |
In R.C. footing on soil, the thickness at the edge should not be less than |
| A. | 10 cm |
| B. | 15 cm |
| C. | 20 cm |
| D. | 25 cm |
| Answer» B. 15 cm | |
| 128. |
What should be the minimum grade of reinforced concrete in and around sea coast construction ? |
| A. | M 35 |
| B. | M 30 |
| C. | M 25 |
| D. | M 20 |
| Answer» B. M 30 | |
| 129. |
Which is the most important IS code for a Civil Engineer? |
| A. | IS 567 |
| B. | IS 456 |
| C. | IS 455 |
| D. | IS 383 |
| Answer» B. IS 456 | |
| 130. |
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» A. 0.25 times the span length | |
| 131. |
Various types of steel used in RCC |
| A. | Fe 415 |
| B. | Fe 250 |
| C. | Fe 500 |
| D. | All of the above |
| Answer» C. Fe 500 | |
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