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Recruitment questions for civil engineering majors

1. Multiple choice questions (each question is 2 points ***30 points) 1. Connection of vertical steel bars in cast-in-situ reinforced concrete frame structures ( ) should be used for welding. A Flash butt welding B Arc welding C Electroslag pressure welding D Resistance welding

2. Can dig 1~2 types of soil below the stopping surface, can dig out vertical slopes, and can unload soil at any height Yes ( ) A. Backhoe B. Dragline excavator C. Front shovel excavator D. Grab shovel excavator

3. The fullness of the horizontal mortar joints of the brick wall must be at least ( ). A 90% B 80% C 75% D 70%

4. Which of the following is not the content of column correction: ( ) A. Elevation B. Verticality correction C. Column deflection D. Plane positioning Axis

5. When the friction-type cast-in-place pile is drilled using the hammer-sinking method, the depth of the pile pipe into the soil is controlled mainly by ( ) and supplemented by ( ).

A. Elevation penetration B. Elevation verticality C. Penetration elevation D. Verticality elevation

6. When the linoleum is laid parallel to the roof ridge, the short side overlap shall not be less than 100mm, and the long side overlap shall not be less than 100 mm. : ( ) A.50mm B.60mm C.70mm D.100mm

7. When lifting prefabricated piles, the concrete strength should reach the design strength level ( ) A. 50% b. 60% c. 70% D. 100%

8. There is no noise, no vibration during construction, and little interference to the surrounding environment. It is suitable for construction in cities ( ) A. Hammering pile sinking B． Vibration pile sinking C． Water jet pile sinking D. Static pile pressing

9. There are rotation method and sliding method for column lifting. The rotation method needs to meet: ( ) A. Two-point *** arc B. Three-point *** arc C. Lowering hook Lifting arm D. Lowering hook rotating arm

10. When the roof truss span L=32m, the roof truss lashing method can be selected ( ) A. Use horizontal hanging beam, two-point lashing method B. Two-point lashing method C . Use horizontal hanging beams and four-point binding method D. Four-point binding method

11. Waterproof concrete should be cured naturally, and its curing time should not be less than: ( ) A.7d B.10d C.14d D.21d

12. When a slant is left on a brick wall, the length of the slant shall not be less than the height ( ) A.1/2 B 1/3 C 2/3 D 1/4

13. The improper location of the column construction joints is ( ) A. The top surface of the foundation B. Level with the crane beam C. Above the crane beam D. Below the beam 14. The changes that will occur after cold drawing of steel bars are ( ) A. Yield point increased B. Plasticity increased C. Elastic modulus increased D. Lattice deformation stopped 15. During the construction of prestressed concrete, the method that does not require platform equipment and does not require reserved holes and grouting is ( ) A. None Bonded post-tensioning method B. Post-tensioning method C. Pre-tensioning method D. Electric heating method

2. Multiple-choice questions (each question is 2 points***30 points) 1

. The characteristics of the concrete mixture that has been vibrated are: ( ) A. There are bubbles discharged from the surface of the mixture B. Cement mortar appears on the surface of the mixture C. The mixture no longer sinks D. There is no air bubbles on the surface of the mixture Bubbles appear

2. The natural maintenance methods include ( ) A. Sprinkling water B. Spraying perchlorethylene resin plastic solution C. Plastic film maintenance D. Backfilling with soil

3. With The factors related to the critical strength of concrete when exposed to freezing are ( ) A. Cement type B. Aggregate particle size C. Concrete strength grade D. Particle gradation

4. Tensioning procedure of post-tensioned prestressed tendons The correct ones are: ( ) A.0→jP anchoring B. 0→1.03jP anchoring C. 0→1.05jP anchoring D. 0→1.05jP? minute holding load 2jP anchoring

5. Used for anchoring The main anchors for steel wire bundles are: ( ) A. Head anchor B. Tapered screw anchor C. Steel tapered anchor D. Bar anchor

6. When laying foundation Mortars that are not usually used are usually: ( ) A. Cement mortar B. Mixed mortar C. Lime mortar D. Gypsum mortar

7 Which of the following are construction methods for leaving tunnels: ( ) A. Steel bar pumping Core method B. Pre-embedded corrugated pipe method C. Asphalt fiber method D. Hose core pulling method

8. Regarding the sequence of stretching prestressed tendons using the pre-tensioning method, the correct statements are (

) A. For components that bear axial pressure, all prestressed tendons should be stretched at the same time. B. For components that bear eccentricity and prestress, all prestressed tendons should be stretched at the same time. C. For plate components, they should be stretched symmetrically from the outside to the inside of the plate. Zhang D. Steel wires with large reinforcements should be stretched one by one

9. Which of the following are the contents of "three-one" masonry construction: ( ) A. A shovel of ash B. A rod and ruler C. A brick D. A rub

10. In the plastering project, ( ) plays a leveling role. A Base layer B Bottom layer C Middle layer D Surface layer

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11. Which of the following factors should be considered when selecting a crawler crane: ( ) A. Lifting capacity B. Lifting Power equipment C. Lifting height D. Lifting radius

12. General plastering is ( ) A. Paper-reinforced lime B. Dry clay C. Polymer cement mortar D. Cement mortar < /p>

13. When forming holes for cast-in-place piles using mud to protect the wall, the functions of the mud include ( ) A. Washing slag B. Cooling C. Protecting the wall D. Preventing quicksand

14. Which of the following does the job? Type of construction process ( ) A Preparation type B Transportation type C Decoration type D Construction type

15. Which of the following situations belongs to the quality problem of casing hole cast-in-place piles: ( ) A. Narrowing B. .Suspended pile C. Water intrusion into the pile shoe D. Decreased concrete quality

3. Explanation of terms (5×4=20 points) 1. Secondary feeding method 2. Pre-tensioning method 3. Comprehensive hoisting method 4. Friction pile 5. Light well point