MCQOPTIONS
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MCQOPTIONS
This section includes 2171 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 801. |
Optimum air content in concrete is……….. |
| A. | 3% to 6% |
| B. | 4% to 6% |
| C. | 3% to 7% |
| D. | 3% to 4% |
| Answer» B. 4% to 6% | |
| 802. |
What is the vibration frequency of the surface vibrator? (in cycles per min.) |
| A. | 1000 to 6000 |
| B. | 3000 to 6000 |
| C. | 2000 to 6000 |
| D. | 2500 to 6500 |
| Answer» C. 2000 to 6000 | |
| 803. |
Which of these is not a favorable condition for working of rippers? |
| A. | faults and fracture in hard surface |
| B. | brittle structure of rock |
| C. | moisture in rock surface |
| D. | large grain size soil |
| Answer» D. large grain size soil | |
| 804. |
What is typical cycle time of power shovel? ( in sec.) |
| A. | 17 to 28 |
| B. | 14 to 29 |
| C. | 17 to 24 |
| D. | 17 to 30 |
| Answer» D. 17 to 30 | |
| 805. |
Which of the following is a component of well? |
| A. | Cutting Edge |
| B. | Steining |
| C. | Bottom Plug |
| D. | All of the above |
| Answer» E. | |
| 806. |
Ladder type trenching machine can excavate the trench of width up to ………… |
| A. | 350 cm |
| B. | 840 cm |
| C. | 220 cm |
| D. | 360 cm |
| Answer» E. | |
| 807. |
What is normal size of power shovel? (in cu.m) |
| A. | 0.5 to 4.0 |
| B. | 0.5 to 7.0 |
| C. | 0.9 to 5.0 |
| D. | 0.5 to 5.0 |
| Answer» E. | |
| 808. |
How much red mud is mixed with PVC for making red mud plastic? |
| A. | 25% |
| B. | 15% |
| C. | 75% |
| D. | 95% |
| Answer» B. 15% | |
| 809. |
Output of earth moving machines depends on……. |
| A. | efficiency of the operator |
| B. | nature of soil |
| C. | weather |
| D. | all of the above |
| Answer» E. | |
| 810. |
Which factor does not affect the drilling rate? |
| A. | depth of hole |
| B. | cost of equipment |
| C. | hardness of rock |
| D. | pressure of air |
| Answer» C. hardness of rock | |
| 811. |
Which one is not a part of the tractor? |
| A. | engine |
| B. | gearbox |
| C. | ground drive |
| D. | trailer |
| Answer» E. | |
| 812. |
Which is excavation equipment? |
| A. | power shovel |
| B. | dragline |
| C. | scoop |
| D. | all of the above |
| Answer» E. | |
| 813. |
Which of the following is not a use of Caisson? |
| A. | To reach hard bearing strata |
| B. | To provide access to deep shaft or tunnel |
| C. | To serve as temporary impervious boundary |
| D. | For the excavation of foundation of piers |
| Answer» D. For the excavation of foundation of piers | |
| 814. |
Shot drill used a………….. for drilling. |
| A. | steel shots |
| B. | copper shots |
| C. | carbide drilling bit |
| D. | any one of the above |
| Answer» B. copper shots | |
| 815. |
When the depth of water is from 4.5 to 6 m, the type of cofferdam used is |
| A. | earthen cofferdam |
| B. | rock fill cofferdam |
| C. | single-walled cofferdam |
| D. | double walled cofferdam |
| Answer» D. double walled cofferdam | |
| 816. |
Which of the following is type of cofferdam? |
| A. | Rock-filled crib cofferdam |
| B. | Cellular cofferdam |
| C. | Suspended cofferdam |
| D. | All of the above |
| Answer» E. | |
| 817. |
Which types of vertical loads applies on the caissons? |
| A. | vertical reaction force |
| B. | live load |
| C. | buoyancy |
| D. | all of the above |
| Answer» E. | |
| 818. |
What is a height of the steel derric pool? |
| A. | 30 – 50m |
| B. | 30 – 40m |
| C. | 10 – 20m |
| D. | 10 – 50m |
| Answer» C. 10 – 20m | |
| 819. |
Which factors affect the selection of excavation equipment? |
| A. | type |
| B. | cost/benefit ratio |
| C. | availability of parts |
| D. | all of the above |
| Answer» E. | |
| 820. |
Blast furnace slag contain………. |
| A. | lime |
| B. | silica |
| C. | alumina |
| D. | all of the above |
| Answer» E. | |
| 821. |
Which of the following is not a type of caisson? |
| A. | Box Caisson |
| B. | Double Wall Caisson |
| C. | Open Caisson |
| D. | Pneumatic Caisson |
| Answer» C. Open Caisson | |
| 822. |
Crawler mounted power shovel has…… |
| A. | low speed |
| B. | medium speed |
| C. | high speed |
| D. | does not move for its position |
| Answer» B. medium speed | |
| 823. |
Why sand island method of sinking of caisson is used? |
| A. | To prevent floating |
| B. | To prevent tilting |
| C. | To stabilize caisson |
| D. | To prevent overturning |
| Answer» D. To prevent overturning | |
| 824. |
What is maximum digging depth of the dipper dredger? (in m) |
| A. | 20 |
| B. | 35 |
| C. | 25 |
| D. | 100 |
| Answer» D. 100 | |
| 825. |
Which is not a part of the hoe? |
| A. | hoist cable |
| B. | boom |
| C. | cutting wheel |
| D. | dipper |
| Answer» D. dipper | |
| 826. |
Crawler mounted power shovel used in….. |
| A. | hard ground |
| B. | soft ground |
| C. | RCC road |
| D. | underwater |
| Answer» C. RCC road | |
| 827. |
Capacity of clam shell is given in…………. |
| A. | cubic yards |
| B. | cubic meter |
| C. | cubic foot |
| D. | liter |
| Answer» B. cubic meter | |
| 828. |
Pusher loader scrapers used for…………. |
| A. | low load |
| B. | medium load |
| C. | high load |
| D. | any type of load |
| Answer» B. medium load | |
| 829. |
Clem shell does not work for………… |
| A. | under water excavation |
| B. | excavation of trenches |
| C. | for excavating large pit |
| D. | all of the above |
| Answer» D. all of the above | |
| 830. |
Which factors affects the operation of clam shell? |
| A. | height of lift |
| B. | angle of swing |
| C. | operators experience |
| D. | all of the above |
| Answer» E. | |
| 831. |
Dewatering is required for…… |
| A. | safety of excavation |
| B. | safety of foundation of adjoining structure |
| C. | safety of people and traffic passing near the excavation |
| D. | all of the above |
| Answer» E. | |
| 832. |
At which temperature caisson sickness can be avoided? |
| A. | 32° C |
| B. | 30° C |
| C. | 25° C |
| D. | 28° C |
| Answer» D. 28° C | |
| 833. |
Surkhi is used for…… |
| A. | mass concrete work |
| B. | marine works |
| C. | hot weather concreting |
| D. | water proofing |
| Answer» E. | |
| 834. |
What is maximum cutting depth of shot drill? |
| A. | 180m |
| B. | 200m |
| C. | 350m |
| D. | 150m |
| Answer» B. 200m | |
| 835. |
Which of the following is a shape of well caisson? |
| A. | Twin Hexagonal |
| B. | Dumb Well |
| C. | Double – D |
| D. | All of the above |
| Answer» E. | |
| 836. |
Rippers are used for _______ |
| A. | Remove the ground roots |
| B. | Fracturing in the hard rock surface |
| C. | As supporting unit for scrapers |
| D. | All of the above |
| Answer» E. | |
| 837. |
Which factors affect the selection of trenching machine? |
| A. | type of soil |
| B. | depth of cutting |
| C. | width of trenches |
| D. | all of the above |
| Answer» E. | |
| 838. |
Which factors affect the selection of crusher? |
| A. | type of rock |
| B. | size of rock |
| C. | cost |
| D. | all of the above |
| Answer» E. | |
| 839. |
Air vessel used for………. |
| A. | maintain a uniform flow |
| B. | increase the speed of pump |
| C. | increase the pump efficiency |
| D. | all of the above |
| Answer» E. | |
| 840. |
Dragline excavate the material by_______ |
| A. | Dragging |
| B. | Puling |
| C. | Pushing |
| D. | Lifting |
| Answer» B. Puling | |
| 841. |
Which one of these is not a part of operation cycle of scraper? |
| A. | loading |
| B. | dumping |
| C. | turning |
| D. | back filling |
| Answer» E. | |
| 842. |
Shot drill use………….. for drilling. |
| A. | steel shots |
| B. | steel blade |
| C. | copper balls |
| D. | any one of the above |
| Answer» B. steel blade | |
| 843. |
What is maximum cutting depth of the wheel type trenching machine? |
| A. | 3 m |
| B. | 4.7 m |
| C. | 2 m |
| D. | 1.7 m |
| Answer» B. 4.7 m | |
| 844. |
What is maximum services life of ripper tips? ( in hours) |
| A. | 100 |
| B. | 200 |
| C. | 1000 |
| D. | 4000 |
| Answer» D. 4000 | |
| 845. |
The piles which do not support the load by themselves, but act as a medium to transmit theload from the foundation to the resisting sub-stratum, are known as |
| A. | friction piles |
| B. | bearing piles |
| C. | batter piles |
| D. | compaction piles |
| Answer» C. batter piles | |
| 846. |
Higher dose of the super plasticizers causes………… |
| A. | effect on shrinkage properties |
| B. | effect on creep properties |
| C. | a & b both |
| D. | creates a cracks |
| Answer» D. creates a cracks | |
| 847. |
What is maximum digging depth of the hydraulic dredger? (in m) |
| A. | 20 |
| B. | 35 |
| C. | 25 |
| D. | 15 |
| Answer» E. | |
| 848. |
What is function of foot valve in pump? |
| A. | to prevent the back flow of the water |
| B. | to close the impeller |
| C. | provide the opening to the casing |
| D. | all of the above |
| Answer» B. to close the impeller | |
| 849. |
Sheet piles are made of |
| A. | wood |
| B. | steel |
| C. | concrete |
| D. | all of these |
| Answer» E. | |
| 850. |
“Plasticizers are used for increase the setting time of concrete.” Is it true or false? |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» C. none | |