HSSC Fire Operator Cum Driver (30-12-2023)Total Questions: 1001. CO₂ is ................ than air.(a) lighter(b) equal(c) heavier(d) lesser(e) UnattemptedCorrect Answer: (c) heavier2. What is the colour of LPG?(a) Blue(b) Red(c) Colourless(d) Light red(e) UnattemptedCorrect Answer: (c) Colourless3. ................ can be used in flammable atmosphere.(a) Electrical lamps(b) Safety lamps(c) Hurricane lamps(d) Portable electric box lamp(e) UnattemptedCorrect Answer: (b) Safety lamps4. Fire involving in combustible solid classified under ................ fire.(a) Class A(b) Class K(c) Class B(d) Class D(e) UnattemptedCorrect Answer: (a) Class A5. Which stinging agent is added to LPG?(a) Mercaptan(b) Ketones(c) Musky(d) Floral(e) UnattemptedCorrect Answer: (a) Mercaptan6. ................ are generally used for delivering water.(a) Non-Percolating hose(b) Suction hose(c) Percolating hose(d) Unlined hose(e) UnattemptedCorrect Answer: (a) Non-Percolating hose7. High velocity system used for extinction of fires in flammable liquids having a flash point above :(a) 65°C(b) 75°C(c) 100°C(d) 90°C(e) UnattemptedCorrect Answer: (a) 65°C8. The three principles of extinguishment in the high velocity water spray projector systems are emulsification, cooling and ................ .(a) exposure(b) prevention(c) extinction(d) dilution(e) UnattemptedCorrect Answer: (d) dilution9. Approach suit provide heat protection upto :(a) 93°C(b) 260°C(c) 65°C(d) 100°C(e) UnattemptedCorrect Answer: (a) 93°C10. How do you copy a string a C Program?(a) Using the = operator(b) Using the strcat () function(c) Using the strcpy () function(d) Using the strncpy () function(e) UnattemptedCorrect Answer: (c) Using the strcpy () functionSubmit Quiz12345678910Next »
