2019 Archives

61. Ketone comes under which category of prohibited items?

Ketone comes under which category of prohibited items?

[amp_mcq option1=”Weapon” option2=”Dangerous article” option3=”Dangerous substance” option4=”Explosive” correct=”option3″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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Ketones, such as Acetone, are volatile organic compounds. While not explosives themselves, some are highly flammable and can be used as solvents or precursors in the production of various dangerous substances or even improvised explosives. Therefore, in a security context like aviation, they fall under the category of dangerous substances.

Ketones are classified as dangerous substances due to their flammability and potential use in synthesizing other hazardous materials.

Airport security regulations, such as those enforced by BCAS in India, list various categories of prohibited items, including explosives, dangerous articles, and dangerous substances (which include flammable liquids, corrosive materials, toxic substances, etc.). Ketones like acetone fit within the dangerous substance category.

62. Which one of the following is the physical form of TNT?

Which one of the following is the physical form of TNT?

[amp_mcq option1=”Solid” option2=”Paste” option3=”Jelly” option4=”Liquid” correct=”option1″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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TNT, or Trinitrotoluene, is a chemical compound used as an explosive. At room temperature and pressure, it exists as a solid crystalline substance, often yellow in colour.

The physical form of TNT under standard conditions is solid.

TNT is typically cast into blocks or flakes for military and industrial use. It melts at 80.35 °C (176.63 °F).

63. The detonator is used

The detonator is used

[amp_mcq option1=”as the main mechanism in the bomb” option2=”as an optional device to increase the effect of the explosion” option3=”to initiate the main charge” option4=”to delay the detonation” correct=”option3″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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The detonator is used to initiate the main charge in a bomb or explosive device.

Detonators contain a small amount of sensitive primary explosive that, when initiated (e.g., by electrical signal, friction, or shock), creates a shock wave powerful enough to set off the less sensitive but more powerful main explosive charge.

An explosive train typically consists of an initiator (like a blasting cap or electric detonator), an optional booster (which may use a secondary explosive like PETN), and the main charge (which uses a bulk explosive like TNT, RDX, or ANFO). The detonator is the crucial first step in this sequence.

64. As per BCAS, what is the minimum pixel count that an X-ray machine at

As per BCAS, what is the minimum pixel count that an X-ray machine at the screening should be able to produce?

[amp_mcq option1=”1024 x 768″ option2=”1200 x 600″ option3=”864 x 226″ option4=”100 x 1000″ correct=”option1″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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As per BCAS standards for X-ray machines used for security screening, a minimum pixel count of 1024 x 768 is typically specified for achieving adequate image resolution for threat detection.

The pixel count (resolution) of an X-ray machine determines the clarity and detail of the scanned image, which is crucial for operators to identify potential threats like weapons, explosives, or other prohibited items.

BCAS (Bureau of Civil Aviation Security) in India sets detailed technical specifications for security equipment used at airports, including X-ray baggage scanners, to ensure they meet required performance standards for effective threat detection.

65. Who among the following is responsible for security of airlines at sma

Who among the following is responsible for security of airlines at smaller airports?

[amp_mcq option1=”Airlines Engineer” option2=”Airport Director” option3=”ASG Control Room in-charge” option4=”Station Manager of concerned airlines” correct=”option4″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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While overall airport security is managed by airport authorities and security agencies, the immediate responsibility for ensuring compliance with security protocols for the operations of a specific airline at a smaller airport typically lies with the Station Manager of the concerned airline.

The Station Manager is the senior representative of the airline at that location and is responsible for managing all aspects of the airline’s operations, including the implementation of security procedures for passengers, baggage, cargo, and aircraft specific to that airline, in coordination with airport security.

At larger airports, airlines might have dedicated security personnel. However, at smaller stations, this responsibility is often part of the Station Manager’s overall role, acting as the focal point for the airline’s security compliance and liaison with airport security forces like BCAS and CISF (Airport Security Group).

66. Which of the following sectors is/are regarded as critical infra-struc

Which of the following sectors is/are regarded as critical infra-structure?

1. Aviation sector
2. Power sector
3. Atomic energy sector

Select the correct answer using the code given below.

[amp_mcq option1=”1 and 2 only” option2=”3 only” option3=”2 and 3 only” option4=”1, 2 and 3″ correct=”option4″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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All three sectors listed – Aviation, Power, and Atomic energy – are regarded as critical infrastructure.

Critical infrastructure comprises essential systems and assets whose disruption could cause significant harm to national security, economy, public health, or safety.

Governments typically identify various sectors as critical infrastructure, which often include energy (power, oil & gas), transportation (aviation, rail, road, ports), communication, water, health, finance, and government facilities, among others. The specific list can vary slightly by country but the mentioned sectors are almost universally considered critical.

67. A hijacked aircraft on landing at an Indian airport is procedurally pa

A hijacked aircraft on landing at an Indian airport is procedurally parked at

[amp_mcq option1=”runway” option2=”isolation bay” option3=”apron” option4=”None of the above” correct=”option2″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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A hijacked aircraft on landing at an Indian airport is procedurally parked at an isolation bay.

An isolation bay is a designated area at an airport, usually located away from normal passenger terminals, taxiways, and runways, specifically designed to handle aircraft involved in security incidents, minimizing risk to other airport operations and personnel.

Parking a hijacked aircraft at an isolation bay allows security forces and crisis management teams to contain the situation, negotiate if necessary, and prepare for intervention without disrupting other airport traffic or endangering people in populated areas of the airport.

68. Which one of the following should be avoided by the patrolling party w

Which one of the following should be avoided by the patrolling party while patrolling in an extremist affected area?

[amp_mcq option1=”Use the ‘Kacha’ established road instead of making cross-country” option2=”Watch out for any mine or look on the road as it may be linked to IED” option3=”Maintain a proper distance between front and rear of the patrolling party” option4=”While walking in formation, keep your own position in mind” correct=”option1″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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Using the ‘Kacha’ established road instead of making cross-country should be avoided if possible, or done with extreme caution, as established roads are often used by extremists for ambushes or planting Improvised Explosive Devices (IEDs).

Established routes, especially unpaved (Kacha) roads, are predictable lines of movement and thus pose a higher risk of ambush or IEDs in extremist-affected areas.

While using established roads can be faster, patrolling parties in high-risk areas often vary their routes, use cross-country movement where feasible and tactically sound, and maintain strict vigilance for signs of tampering, mines, or IEDs on any path they use. Maintaining proper distance between elements and situational awareness within the formation are standard and necessary patrolling practices.

69. To secure an outpost in a deep jungle area, several points have to be

To secure an outpost in a deep jungle area, several points have to be kept in mind. Which one of the following is not one of them?

[amp_mcq option1=”Binocular and night vision devices should be available in the sentry post” option2=”Construct firing trench and weapon pits” option3=”There should be only one entry and exit point and it should be in zig-zag pattern” option4=”During night, there should be bright lights inside the camp” correct=”option4″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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During the night, there should not be bright lights inside the camp that illuminate the personnel.

Bright lights inside a camp at night would silhouette the personnel and make them easy targets for snipers or attackers observing from outside. Security lighting should typically be directed outwards or used strategically to illuminate approaches, not the interior space in a way that exposes occupants.

Securing an outpost involves creating defensive positions (firing trenches, weapon pits), establishing surveillance capabilities (binoculars, night vision), controlling access points, and implementing appropriate lighting discipline to enhance security and prevent detection or targeting by adversaries.

70. It is difficult to recover firearms from Naxals. If you are going to d

It is difficult to recover firearms from Naxals. If you are going to do so, some points should be remembered. Which one of the following is not correct?

[amp_mcq option1=”Assess the distance between the Naxals and yourself” option2=”Observe the firearms they are carrying” option3=”Assess the strength of the Naxals” option4=”Open fire as soon as you see them” correct=”option4″]

This question was previously asked in

UPSC CISF-AC-EXE – 2019

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Opening fire as soon as you see them is not a correct action when attempting to recover firearms from Naxals.

Standard tactical procedure involves assessing the situation (distance, strength, weapons) before initiating contact or opening fire. Immediate, unassessed opening of fire is generally reckless and may jeopardize the mission (like recovering firearms) or the safety of the personnel.

Tactical planning prior to engaging with insurgents or criminals involves careful assessment of the threat, environment, and objectives. Actions like assessing distance, observing enemy weapons, and estimating their strength are crucial for deciding the course of action, which could range from surveillance, maneuver, or engaging with appropriate force.