HSSC Fire Operator Cum Driver (30-12-2023)

Total Questions: 100

31. .............. type extinguishers provide its own pressure for discharge from the storage container.

Correct Answer: (d) CO₂

32. In .............. method crews construct a fireline at some distance from the edge of the fire.

Correct Answer: (d) Parallel attack

33. What does E-R stands for in the E-R model of database design?

Correct Answer: (a) Entity-Relationship

34. Identify the reaction order of the following rate constant. K = 2.3 x 10⁻⁵ L mol⁻¹s⁻¹.

Correct Answer: (a) Second order

35. For what purpose are antipyretic medicines used?

Correct Answer: (b) Medicines reduces fever

36. Latent heat is measured in:

Correct Answer: (d) Joules per unit mass

37. In .............. system intermediate pumps are arranged to be kept between the supply pump and the fire.

Correct Answer: (b) Closed circuit

38. The color code for 93°C bulb type sprinkler is:

Correct Answer: (b) Green

39. Expand NBC:

Correct Answer: (d) National Building Code

40. Which of the safety requirement is not correct in the event of total flooding?

Correct Answer: (b) Warning signs should be positioned inside of the protected area