Search Previous Year Questions

The Correct answer is first.

Key Points

• The term "Golden Hour" refers to the first hour following a traumatic injury such as a road crash.
• During this period, providing instant and proper first aid can significantly improve the chances of survival.
• The Golden Hour is critical because it helps to prevent further complications and reduces the severity of injuries.
• Immediate medical intervention during this time can stabilize the victim and ensure better recovery outcomes.
• The concept of the Golden Hour is widely recognized in emergency medicine and trauma care.
• It emphasizes the need for swift and efficient action to address life-threatening conditions like internal bleeding or airway obstruction.
• The Golden Hour is particularly important in scenarios involving road accidents, where victims may suffer from serious injuries requiring urgent attention.
• In India, the government and various organizations often promote awareness about the Golden Hour to encourage bystanders to provide assistance until professional help arrives.

Additional Information

• Second Hour
• The second hour after trauma is not considered as crucial as the first hour in terms of survival and recovery.
• While medical intervention during the second hour remains important, the focus shifts to advanced care and stabilization.
• Third Hour
• The third hour is too late to be categorized as the Golden Hour, as delayed treatment often reduces survival rates and worsens injury outcomes.
• By this time, the lack of immediate care may lead to complications like shock or organ failure.
• Zero Hour
• The term "Zero Hour" does not apply in the context of trauma care or emergency response.
• Instead, it is often used to denote the moment an event begins, such as the start of an operation or a crisis.

The Correct answer is 190(2).

Key Points

• Section 190(2) of the Motor Vehicles Act specifies the legal obligation of vehicle owners to ensure their vehicle has a valid Pollution Under Control (PUC) certificate.
• Driving or operating a vehicle without a valid PUC certificate is considered a violation of the law, making the owner liable for prosecution and penalties under this section.
• The PUC certificate is a mandatory document that verifies a vehicle's emissions are within the prescribed limits to reduce air pollution.
• The primary objective of this provision is to ensure compliance with environmental regulations and minimize the harmful effects of vehicular emissions on public health and the environment.
• Owners of vehicles found in violation of Section 190(2) may face fines or other penalties as prescribed by the law enforcement authorities.
• Ensuring a valid PUC certificate not only avoids legal consequences but also contributes to the broader goal of maintaining environmental sustainability.

Additional Information

• Section 179(2)
• Section 179 deals with penalties for the refusal to provide information or disobedience of orders given by authorities under the Motor Vehicles Act.
• It is not specifically related to the absence of a PUC certificate but addresses non-compliance with lawful directions or information requests.
• Section 182(2)
• Section 182 provides penalties for offenses such as unauthorized interference with vehicle parts, including tampering with emission control devices.
• This section is not directly connected to the requirement for a PUC certificate.
• Section 178(2)
• Section 178 addresses offenses related to ticketless travel or non-payment of fares in public transport, which is unrelated to pollution control requirements.

The Correct answer is Sufficient space for passengers and luggage.

Key Points

• A motor vehicle's body must provide sufficient space for passengers and luggage to ensure functionality and comfort.
• Passenger and luggage accommodation is a fundamental requirement for vehicles used for transportation purposes.
• The design of the vehicle body considers the ergonomics and space utilization to achieve this goal.
• Ensuring ample space improves the vehicle's usability for daily commuting, long-distance travel, and commercial applications.
• This feature is essential for vehicles such as cars, buses, vans, and trucks, which cater to both personal and commercial transport needs.
• Modern vehicles are often designed with modular or foldable seating to optimize the space for both passengers and luggage.
• Proper space allocation enhances passenger comfort, reduces fatigue during travel, and increases the vehicle's market appeal.

Additional Information

• Uniformly distributed load
• While uniformly distributed load is important for structural stability, it is not a primary requirement for the design of the vehicle's body.
• This term is more relevant to engineering and structural design principles used in bridges and buildings.
• Short fatigue life
• This is an undesirable characteristic for any vehicle body as it indicates poor durability.
• Vehicles are designed to have a long fatigue life to withstand regular wear and tear.
• Be lightweight
• While being lightweight is beneficial for fuel efficiency and performance, it cannot compromise the primary requirement of passenger and luggage space.
• Modern materials such as aluminum and carbon fiber help achieve lightweight construction without sacrificing space.

The Correct answer is Drop Arm.

Key Points

• The Drop Arm is a key component of the steering system in vehicles, responsible for converting the motion of the steering box into lateral motion of the steering linkages.
• It serves as a connection between the steering box and the steering linkages to ensure precise control of the vehicle’s direction.
• Drop arms are generally used in vehicles with recirculating ball-type steering mechanisms.
• The arm is attached to the sector shaft of the steering gearbox, which rotates when the steering wheel is turned.
• Its movement translates the rotational motion of the steering wheel into the lateral motion needed to turn the wheels.
• Drop arms are designed to handle high stresses and loads, ensuring smooth steering operation in various road conditions.
• The durability of the drop arm is crucial for maintaining the efficiency and safety of the steering system.

Additional Information

• Wheel
• The wheel is a component of the vehicle but does not directly form part of the steering mechanism. It is connected to the steering system to enable directional control.
• Wheels are essential for vehicle movement, and their alignment affects steering efficiency.
• Universal Joint
• The Universal Joint is used in the steering system to allow flexibility between the steering column and the steering gearbox.
• It helps transmit torque even at varying angles, making it an essential element in vehicles with complex steering layouts.
• Ball Bearing
• Ball bearings are used to reduce friction and ensure smooth movement of rotating parts in the steering column and other vehicle components.
• While essential for mechanical motion, ball bearings are not directly considered a part of the steering system.

The Correct answer is customer.

Key Points

• The customer holds a key role in approving and authorizing any work or service performed on their behalf.
• The signature on the customer authorization form serves as a formal agreement, ensuring transparency and mutual consent between the service provider and the customer.
• It acts as a legal record of the customer’s approval for the work detailed in the job card, protecting the service provider from disputes or misunderstandings.
• The signature indicates that the customer has reviewed the scope of work, its associated costs, and any terms and conditions before giving their consent.
• This process is crucial in industries like automobile repair, construction, and other service-based businesses where detailed job cards and agreements are common.
• By signing the authorization form, the customer confirms that they are satisfied with the proposed service and agree to the terms.

Additional Information

• Supervisor
• The supervisor is responsible for overseeing the work progress and ensuring it meets quality standards.
• While they play a pivotal role in the execution of tasks, they do not have the authority to sign the customer authorization form unless explicitly permitted.
• Mechanic
• A mechanic is primarily responsible for performing the technical work listed in the job card.
• They do not handle customer approvals or authorization as their focus is on task execution.
• Manager
• The manager oversees the overall operations and may intervene in case of disputes or special agreements.
• However, they are not typically required to sign the customer authorization form unless acting on behalf of the service provider.

The Correct answer is Crankshaft.

Key Points

• The primary function of the connecting rod in an internal combustion (IC) engine is to transfer the reciprocating motion of the piston to the crankshaft.
• The crankshaft converts this reciprocating motion into a rotary motion, which is essential for the operation of the engine.
• The connecting rod acts as a mechanical link between the piston and the crankshaft.
• It is subjected to alternating compressive and tensile forces during the engine's operation.
• The rotary motion generated by the crankshaft is used to drive other components of the engine, such as the flywheel and gearbox, enabling the vehicle to move.
• In modern engines, the design and material of the connecting rod play a critical role in ensuring high performance, durability, and efficiency.

Additional Information

• Camshaft
• The camshaft is responsible for controlling the timing and operation of the engine's valves.
• It ensures that the intake and exhaust valves open and close at the appropriate times during the engine cycle.
• Unlike the crankshaft, the camshaft does not convert reciprocating motion into rotary motion.
• Propeller Shaft
• The propeller shaft is used in rear-wheel-drive vehicles to transmit rotary motion from the gearbox to the rear axle.
• It is not directly involved in the internal working of the engine or the conversion of motion by the connecting rod.
• Lay Shaft
• The lay shaft is a component of the gearbox, often used in manual transmission systems.
• It helps in transmitting power from the input shaft to the output shaft in different gear ratios.
• It is not associated with the conversion of motion within the engine itself.

The Correct answer is Oxygen (O₂).

Key Points

• Oxygen (O₂) is a non-poisonous gas and is vital for the survival of most life forms on Earth.
• It is a crucial component of the Earth's atmosphere, constituting approximately 21% of the air we breathe.
• Functions: Oxygen supports life by being involved in cellular respiration, where it helps in energy production within living organisms.
• Applications: It is widely used in industrial processes like steelmaking, medical applications such as oxygen therapy, and in space exploration as a component of breathable air.
• The presence of oxygen in the atmosphere is maintained by processes like photosynthesis, where plants convert carbon dioxide and water into oxygen and glucose using sunlight.
• Oxygen is a colorless, odorless, and tasteless gas in its natural state, making it harmless to inhale under normal conditions.
• Without oxygen, aerobic organisms cannot survive, and its absence would disrupt the ecological balance of the planet.

Additional Information

• Carbon Monoxide (CO)
• Carbon Monoxide is a highly poisonous gas that is colorless and odorless.
• It is produced during the incomplete combustion of fossil fuels like coal, oil, and gas.
• Exposure to CO can lead to severe health issues such as headaches, dizziness, and even death due to its ability to block oxygen transport in the bloodstream.
• Nitrogen Oxides (NO_X)
• Nitrogen Oxides are a group of highly reactive gases primarily composed of nitric oxide (NO) and nitrogen dioxide (NO₂).
• These gases are major contributors to air pollution and are primarily produced by vehicles and industrial processes.
• They can lead to respiratory problems and are also responsible for forming smog and acid rain.
• Ozone (O₃)
• Ozone is a toxic gas at ground level, even though it plays a protective role in the upper atmosphere (stratosphere) by shielding the Earth from harmful ultraviolet radiation.
• Ground-level ozone is a major component of urban smog and can cause serious respiratory issues like asthma and lung inflammation.

The Correct answer is charging system.

Key Points

• An alternator is a crucial component of a vehicle's charging system.
• It is responsible for generating electricity to charge the battery and power the vehicle's electrical systems, including lights, radio, and other accessories.
• The alternator converts mechanical energy from the engine into electrical energy using a process called electromagnetic induction.
• A belt connected to the engine crankshaft drives the alternator, and as the engine runs, the alternator produces a continuous supply of electricity.
• Without a properly functioning alternator, the battery would quickly lose charge, and the vehicle's electrical components would fail to operate.
• The alternator also ensures the battery remains fully charged, especially during engine operation, enabling it to start the vehicle reliably.
• Modern alternators are equipped with a built-in voltage regulator to maintain a consistent voltage level and prevent overcharging of the battery.

Additional Information

• Lighting system
• The lighting system in a vehicle comprises headlamps, tail lamps, indicators, and interior lights.
• It is powered by the vehicle's battery and relies on the charging system to keep the battery charged.
• The alternator supports the lighting system indirectly by ensuring the battery has sufficient charge.
• Ignition system
• The ignition system is responsible for igniting the air-fuel mixture in the engine's combustion chamber.
• It includes components such as spark plugs, ignition coils, and distributors.
• This system is powered by the battery, and the alternator ensures the battery remains charged to facilitate ignition.
• Steering system
• The steering system enables the driver to control the vehicle's direction.
• Modern vehicles may use an electric power steering (EPS) system, which relies on the battery and alternator for power.
• Traditional steering systems, such as hydraulic power steering, do not directly rely on the alternator.

The Correct answer is No Parking.

Key Points

• This road sign indicates prohibition of parking in the specified area.
• It is represented by a blue circle with a red border and a red diagonal line across it.
• The sign is commonly placed in busy traffic zones, marketplaces, bus stops, and intersections where vehicles stopping or standing could obstruct smooth traffic flow.
• The Motor Vehicles Act, 1988 and the rules framed under it empower authorities to regulate such prohibitions.
• Violating a No Parking sign may lead to fines, towing of the vehicle, or both as per the local traffic enforcement rules.
• The main function of this sign is to avoid congestion and ensure road safety by keeping certain stretches of the road clear.
• No Parking zones are also declared near emergency facilities such as hospitals, fire stations, and police stations for uninterrupted access.

Additional Information

• Stop
• This is a regulatory traffic sign represented by a red octagon with the word STOP written in white.
• It directs the driver to halt completely at intersections or pedestrian crossings before proceeding further.
• It is usually installed near junctions, schools, or accident-prone areas to minimize risks.
• No Entry
• This sign is represented by a red circle with a white horizontal bar in the middle.
• It indicates entry is prohibited for vehicles on a particular road or lane.
• Commonly found at one-way streets or roads restricted for specific traffic movement.
• Give Way
• This is a regulatory sign represented by an inverted triangle with a red border and white background.
• It directs the driver to yield the right of way to traffic on the main road.
• Commonly seen at intersections and merging points to prevent accidents and ensure smooth merging of vehicles.

The correct answer is 18 years of age.

Key Points

• According to the Motor Vehicles Act, 1988, a license for driving a motor vehicle other than a transport vehicle can be issued to a person who has completed 18 years of age.
• The act specifies this age limit to ensure that individuals possess a minimum level of maturity and responsibility required to operate a vehicle safely.
• This rule applies to non-commercial vehicles, which include private cars, motorcycles, and scooters.
• For operating a transport vehicle such as trucks or buses, the age requirement is higher (usually 20 years or above with additional qualifications).
• Individuals aged 18 years are also allowed to apply for a learner's license before obtaining the permanent driving license.
• Safety measures and road regulations are designed to reduce road accidents and fatalities, and the age criterion plays a crucial role in this aspect.
• The Regional Transport Office (RTO) is the authority responsible for issuing driving licenses in India.

Additional Information

• 20 years of age
• The age limit of 20 years is generally applicable for obtaining a driving license for transport vehicles such as buses, trucks, and other commercial vehicles.
• Applicants must also meet additional requirements, such as completing training at a government-approved driving school.
• 21 years of age
• In some states or countries, the age of 21 years is required for driving certain categories of vehicles, especially heavy vehicles or those used for specific commercial purposes.
• In India, the minimum age for transport vehicles is typically 20 years, not 21.