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HSSC Fire Operator Cum Driver (30-12-2023)
📆 November 14, 2024
Total Questions: 100
51.
The simplified form of iⁿ + iⁿ + 1 + iⁿ + 2 + iⁿ + 3 is :
(a) 0
(b) –1
(c) 1
(d) i
(e) Unattempted
Correct Answer:
(a) 0
52.
In SQL (Structured Query Language) ................... is simply the average of numeric values of an attribute.
(a) Mode
(b) Median
(c) Mean
(d) None of the above
(e) Unattempted
Correct Answer:
(c) Mean
53.
CABA stands for :
(a) Compressed Air Breathing Apparatus
(b) Compelled Air Breathing Apparatus
(c) Compared Air Breathing Apparatus
(d) Compelled Air Blood Apparatus
(e) Unattempted
Correct Answer:
(a) Compressed Air Breathing Apparatus
54.
What is the temperature of orange colour bulb type sprinklers ?
(a) 57°C
(b) 79°C
(c) 68°C
(d) 93°C
(e) Unattempted
Correct Answer:
(a) 57°C
55.
Normal body temperature of human body is :
(a) 39°C
(b) 37°C
(c) 35°C
(d) 38°C
(e) Unattempted
Correct Answer:
(b) 37°C
56.
The energy possessed due to the motion of an object is called :
(a) Potential energy
(b) Kinetic energy
(c) Thermal energy
(d) Power
(e) Unattempted
Correct Answer:
(b) Kinetic energy
57.
Water boils at ............... at atmospheric pressure.
(a) 0°C
(b) 35°C
(c) 86°C
(d) 100°C
(e) Unattempted
Correct Answer:
(d) 100°C
58.
Water spray cannot be used on ............... fire.
(a) Class A
(b) Combustible solids
(c) Wood, paper
(d) Class C
(e) Unattempted
Correct Answer:
(d) Class C
59.
Which of the following is not a method of heat transmission ?
(a) Radiation
(b) Conduction
(c) Convection
(d) Explosion
(e) Unattempted
Correct Answer:
(d) Explosion
60.
In the deluge systems .................. type of sprinklers installed.
(a) closed
(b) pressure
(c) open
(d) plastic
(e) Unattempted
Correct Answer:
(c) open
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