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State PCS
SSC
HSSC
DSSSB
RO/ARO
HSSC Fire Operator Cum Driver (30-12-2023)
📆 November 14, 2024
Total Questions: 100
1.
CO₂ is ................ than air.
(a) lighter
(b) equal
(c) heavier
(d) lesser
(e) Unattempted
Correct Answer:
(c) heavier
2.
What is the colour of LPG?
(a) Blue
(b) Red
(c) Colourless
(d) Light red
(e) Unattempted
Correct Answer:
(c) Colourless
3.
................ can be used in flammable atmosphere.
(a) Electrical lamps
(b) Safety lamps
(c) Hurricane lamps
(d) Portable electric box lamp
(e) Unattempted
Correct Answer:
(b) Safety lamps
4.
Fire involving in combustible solid classified under ................ fire.
(a) Class A
(b) Class K
(c) Class B
(d) Class D
(e) Unattempted
Correct Answer:
(a) Class A
5.
Which stinging agent is added to LPG?
(a) Mercaptan
(b) Ketones
(c) Musky
(d) Floral
(e) Unattempted
Correct Answer:
(a) Mercaptan
6.
................ are generally used for delivering water.
(a) Percolating hose
(b) Suction hose
(c) Non-percolating hose
(d) Unlined hose
(e) Unattempted
Correct Answer:
(a) Percolating hose
7.
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) Unattempted
Correct Answer:
(a) 65°C
8.
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) Unattempted
Correct Answer:
(d) dilution
9.
Approach suit provide heat protection upto :
(a) 93°C
(b) 260°C
(c) 65°C
(d) 100°C
(e) Unattempted
Correct Answer:
(a) 93°C
10.
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) Unattempted
Correct Answer:
(c) Using the strcpy () function
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