McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 101. |
Which of the following statement is true? |
| A. | lap joint eliminates eccentricity of applied load, butt joint results in eccentricity at connection |
| B. | lap joint and butt joint eliminates eccentricity at connection |
| C. | lap joint results in eccentricity of applied load, butt joint eliminates eccentricity at connection |
| D. | lap joint and butt joint results in eccentricity of applied load |
| Answer» C. lap joint results in eccentricity of applied load, butt joint eliminates eccentricity at connection | |
| Explanation: lap joints and butt joints are used to connect plates or members composed of plate elements. lap joint results in eccentricity of applied load, butt joint eliminates eccentricity at connection. | |
| 102. |
In a lap joint, at least bolts should be provided in a line. |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| Explanation: in lap joint, members to be connected are simply overlapped and connected together by means of bolts and welds. to minimize the effect of bending due to eccentricity in a lap joint, at least two bolts in a line should be provided. | |
| 103. |
Use of lap joints is not recommended because |
| A. | stresses are distributed unevenly |
| B. | eccentricity is eliminated |
| C. | bolts are in double shear |
| D. | no bending is produced |
| Answer» A. stresses are distributed unevenly | |
| Explanation: in lap joint the centre of gravity of load in one member does not coincide with centre of gravity of load in other member. it results in eccentricity of applied loads and bending. due to eccentricity, stresses are also not evenly distributed, hence lap joint is not recommended. | |
| 104. |
Why is double cover butt joint preferred over single cover butt joint or lap joint? |
| A. | bolts are in single shear |
| B. | eliminates eccentricity |
| C. | bending in bolts |
| D. | shear force is not transmitted |
| Answer» B. eliminates eccentricity | |
| Explanation: double cover butt joint preferred over single cover butt joint or lap joint because (i) eccentricity of load is eliminated, hence no bending in bolts, (ii) total shear force to be transmitted is split into two parts, hence bolts are in double shear. | |
| 105. |
Clip and seating angle connection is provided for |
| A. | lateral support |
| B. | bending support |
| C. | frictional support |
| D. | hinged support |
| Answer» A. lateral support | |
| Explanation: clip and seating angle connection transfer reaction from beam to column through angle seat. the cleat angle is provided for lateral or torsional support to the top flange of the beam and bolted to the top flange. | |
| 106. |
In flexible end plate design, beam is designed for the |
| A. | maximum bending moment |
| B. | shear force |
| C. | torsional moment |
| D. | zero end moment |
| Answer» D. zero end moment | |
| Explanation: in flexible end plate design. beam is designed for the zero end moment and the end plates augment the web shear and bending capacity of beams. | |
| 107. |
which of the following condition is true for web side plate connection? |
| A. | hsfg bolts should be used |
| B. | bolts should be designed to fail by shear of bolt |
| C. | bolts should be designed to fail by bearing of connected plies |
| D. | edge distances must be less than two times the bolt diameter |
| Answer» C. bolts should be designed to fail by bearing of connected plies | |
| Explanation: the following condition must be considered for web side plate connection | |
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