MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Building Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In ___________________ system, the chemical foam is formed by passing foam producing liquid and water through an agitation device. |
| A. | Chemical |
| B. | Foam |
| C. | Wet resin |
| D. | Halon |
| Answer» C. Wet resin | |
| 2. |
____________________ system includes a supply of dry chemical, an expellent gas such as compressed nitrogen, detection devices and nozzles for discharging the dry chemical into the hazard area. |
| A. | Hydrant |
| B. | Foam |
| C. | Dry chemical |
| D. | Water spray |
| Answer» D. Water spray | |
| 3. |
_________________ extinguishes fire by dilute inflammable mixtures of air and flammable gases or vapours to proportion below their flammable limits. |
| A. | Water vapour |
| B. | Carbon monoxide |
| C. | Carbon dioxide |
| D. | Hydrogen sulphide |
| Answer» D. Hydrogen sulphide | |
| 4. |
____________________ arrangement consists of a system of overhead pipe which are fixed in the ceiling of the roof. |
| A. | Fire extinguishers |
| B. | Internal hydrants |
| C. | Automatic sprinkler |
| D. | Water pipes |
| Answer» D. Water pipes | |