MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The use of sealing compounds for vertical joints is very successful. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What is the most common metal used for water stops? |
| A. | Monel metal |
| B. | Annealed copper |
| C. | Galvanised iron |
| D. | Steel |
| Answer» C. Galvanised iron | |
| 3. |
In case of the sealing joint, the lower part of the joint is occupied by joint filler. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Joint sealing compounds are impermeable ductile materials which are required to ___________________ |
| A. | increase the bond |
| B. | provide a watertight seal by adhesion to concrete |
| C. | shorten the water path |
| D. | avoid the risk of a fault in an embedded water bar |
| Answer» C. shorten the water path | |
| 5. |
Which of the following is sometimes used in expansion joints to avoid the risk of fault in an embedded water bar? |
| A. | Joint fillers |
| B. | Joint sealers |
| C. | Joint covers plates |
| D. | Water stops |
| Answer» D. Water stops | |
| 6. |
What provides a permanent watertight seal during the whole range of joint movement? |
| A. | Water bars |
| B. | Joint fillers |
| C. | Joint covers plates |
| D. | Joint sealers |
| Answer» B. Joint fillers | |
| 7. |
Which of the following can be used as support for an effective joint sealing compound in floor and floor joints? |
| A. | Joint fillers |
| B. | Water bars |
| C. | Joint sealers |
| D. | Primers |
| Answer» B. Water bars | |
| 8. |
What is the maximum expansion or contraction allowed for the joint filler material with an initial gap of about 30 mm? |
| A. | 10 mm |
| B. | 5 mm |
| C. | 20 mm |
| D. | 30 mm |
| Answer» B. 5 mm | |
| 9. |
The expansion joints in floors and walls should normally be provided at a spacing of not more than ___________ |
| A. | 30 m |
| B. | 45 m |
| C. | 50 m |
| D. | 55 m |
| Answer» B. 45 m | |
| 10. |
In reinforced concrete floors, the movement joints should normally be spaced at a maximum spacing of ____________ |
| A. | 6 m |
| B. | 4.5 m |
| C. | 7.5 m |
| D. | 9 m |
| Answer» D. 9 m | |
| 11. |
Which of the following is a movement joint with complete discontinuity in both reinforcement and concrete and intended to accommodate either expansion or contraction of the structure? |
| A. | Contraction joint |
| B. | Expansion joint |
| C. | Sliding joint |
| D. | Construction joints |
| Answer» C. Sliding joint | |
| 12. |
Which of the following is a movement joint with deliberate discontinuity but no initial gap? |
| A. | Contraction joint |
| B. | Expansion joint |
| C. | Sliding joint |
| D. | Construction joints |
| Answer» B. Expansion joint | |
| 13. |
A partial contraction joint is the one in which? |
| A. | both the concrete and reinforcing steel are interrupted |
| B. | only the concrete is interrupted |
| C. | only the reinforcement is interrupted |
| D. | none of them is interrupted |
| Answer» C. only the reinforcement is interrupted | |
| 14. |
Which of the following is not a movement joint? |
| A. | Contraction joint |
| B. | Expansion joint |
| C. | Sliding joint |
| D. | Construction joints |
| Answer» E. | |
| 15. |
Which of the following is usually adopted for contraction and construction joints? |
| A. | Rubber water bars |
| B. | V-shape metal bars |
| C. | PVC water bars |
| D. | Z-shape metal bars |
| Answer» D. Z-shape metal bars | |