CEPTAM Fireman A Model Paper on Science
| 1 | Oxygen is _____
(a) a combustible gas (b) a supporter of combustion (c) extinguishes a flame (d) None of these |
| 2 | Hydrogen is _____
(a) a combustible gas (b) a supporter of combustion (c) extinguishes a flame (d) None of these |
| 3 | Charles law relates
(a) density, temperature, volume (b) pressure, temperature, volume (c) density, volume, conductivity (d) None of these |
| 4 | Boyles law relates
(a) pressure and temperature (b) temperature and volume (c) pressure and volume (d) None of these |
| 5 | A few drops of HNO3, is put into pure water. The pH of this water is
(a) greater than 7 (b) less than 7 (c) equal to 7 (d) equal to 2 |
| 6 | Carbon dioxide is ____
(a) a combustible gas (b) a supporter of combustion (c) extinguishes a flame (d) None of these |
| 7 | The expansion of LPG is
(a) liquefied petroleum gas (b) liquid petroleum gel (c) liquid propane gel (d) liquid phosphorous gas |
| 8 | The weight of LPG in a standard domestic cylinder is
(a) 20.2 kg (b) 14.2 kg (c) 30.2 kg (d) 50.2 kg |
| 9 | Which of the following combinations is essential for combustion?
(a) fuel, air, water (b) fuel, heat, water (c) air, water, heat (d) fuel, air, heat |
| 10 | While travelling by a boat, human safety is ensured by wearing
(a) Helmet (b) Goggles (c) Life jacket (d) Safety shoes |
Leave a Reply