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UPSC Exam  >  UPSC Tests  >  Test: Fire Extinguishers, Building Materials & Glass - UPSC MCQ

Test: Fire Extinguishers, Building Materials & Glass - UPSC MCQ


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10 Questions MCQ Test - Test: Fire Extinguishers, Building Materials & Glass

Test: Fire Extinguishers, Building Materials & Glass for UPSC 2024 is part of UPSC preparation. The Test: Fire Extinguishers, Building Materials & Glass questions and answers have been prepared according to the UPSC exam syllabus.The Test: Fire Extinguishers, Building Materials & Glass MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Fire Extinguishers, Building Materials & Glass below.
Solutions of Test: Fire Extinguishers, Building Materials & Glass questions in English are available as part of our course for UPSC & Test: Fire Extinguishers, Building Materials & Glass solutions in Hindi for UPSC course. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free. Attempt Test: Fire Extinguishers, Building Materials & Glass | 10 questions in 10 minutes | Mock test for UPSC preparation | Free important questions MCQ to study for UPSC Exam | Download free PDF with solutions
Test: Fire Extinguishers, Building Materials & Glass - Question 1
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What is the main component used in household fire extinguishers to suppress fire?

Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 1
Household fire extinguishers commonly use baking soda as a main component to suppress fire. When baking soda is exposed to heat, it decomposes and releases carbon dioxide, which helps in extinguishing fires by reducing the oxygen concentration in the surrounding air.
Test: Fire Extinguishers, Building Materials & Glass - Question 2
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What type of fire extinguisher uses aluminium sulphate and licorice extract as an alternative to sulphuric acid?

Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 2
Foamite fire extinguishers use aluminium sulphate and licorice extract instead of sulphuric acid to produce foam that can smother and extinguish fires effectively.
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Test: Fire Extinguishers, Building Materials & Glass - Question 3
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What are mortars typically used for in construction?

Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 3
Mortars are commonly used in construction for bonding masonry materials together, such as bricks and stones.
Test: Fire Extinguishers, Building Materials & Glass - Question 4
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What is the primary ingredient in Portland cement?
Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 4
Portland cement primarily consists of silica, along with other components like lime, alumina, and iron oxide. It is a key material used in construction for making concrete.
Test: Fire Extinguishers, Building Materials & Glass - Question 5
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What is the primary purpose of adding gypsum to clinker in cement manufacturing?
Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 5
Gypsum is added to clinker in cement manufacturing to control the setting time of the cement, allowing it to harden gradually and be more workable.
Test: Fire Extinguishers, Building Materials & Glass - Question 6
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Which type of fire extinguisher is recommended for extinguishing fires involving electrical equipment?
Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 6
Pyrene fire extinguishers are ideal for extinguishing fires involving electrical equipment because they release carbon tetrachloride vapors that cut off the oxygen supply to the fire without igniting.
Test: Fire Extinguishers, Building Materials & Glass - Question 7
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What is Plaster of Paris chemically derived from?
Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 7
Plaster of Paris is chemically derived from gypsum when it is heated to a specific temperature range. It is commonly used in various applications, including decoration and dentistry.
Test: Fire Extinguishers, Building Materials & Glass - Question 8
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Which component is the major constituent of glass?
Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 8
Sand is the major constituent of glass, making up about 75% of its composition. Other components, such as soda and lime, are added to achieve specific properties in the glass.
Test: Fire Extinguishers, Building Materials & Glass - Question 9
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What is the primary characteristic of safety glass that distinguishes it from regular glass?
Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 9
Safety glass is designed to break into non-sharp pieces upon impact, reducing the risk of injury to people nearby. This property distinguishes it from regular glass.
Test: Fire Extinguishers, Building Materials & Glass - Question 10
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What is the purpose of annealing glass after it has been heated to fusion temperature?
Detailed Solution for Test: Fire Extinguishers, Building Materials & Glass - Question 10
Annealing glass involves gradually cooling it after it has been heated to fusion temperature. This process is done to reduce internal stresses in the glass, making it more stable and less likely to break spontaneousl
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