Download AppGovt. JobsFree G.K. & Current AffairsScholarshipBlog
Free PracticeContact
📚 Exam by Category
▾
Objective Questions

Latest BRO Vehicle Mechanic Exam Question (Objective Questions), MCQ in English

Subjects : Concerned Subject (Vehicle Mechanic)

Question Bank BRO Vehicle Mechanic Exam - English
Back to Exam

Concerned Subject (Vehicle Mechanic)

Question 1Single Answer
In a 4-stroke petrol engine, the cycle is completed in:
  1. A
    Three revolutions of the crankshaft
  2. B
    One revolution of the crankshaft
  3. C
    Four revolutions of the crankshaft
  4. D
    Two revolutions of the crankshaft
Question 2Single Answer
The suction stroke in a 4-stroke petrol engine involves:
  1. A
    Ignition and expansion
  2. B
    Compression of the mixture
  3. C
    Intake of air-fuel mixture with the inlet valve open
  4. D
    Exhaust of burnt gases
Question 3Single Answer
During the compression stroke in a 4-stroke petrol engine:
  1. A
    Spark plug ignites the mixture
  2. B
    Inlet valve is open
  3. C
    Exhaust valve is open
  4. D
    Both valves are closed, and the mixture is compressed
Question 4Single Answer
The power stroke in a 4-stroke petrol engine is initiated by:
  1. A
    Valve opening
  2. B
    Fuel injection
  3. C
    Spark plug ignition
  4. D
    Piston movement only
Question 5Single Answer
The exhaust stroke in a 4-stroke petrol engine involves:
  1. A
    Pushing out burnt gases with the exhaust valve open
  2. B
    Intake of fresh mixture
  3. C
    Compression of gases
  4. D
    Ignition of fuel
Question 6Single Answer
The compression ratio in a typical 4-stroke petrol engine is:
  1. A
    4:1 to 6:1
  2. B
    14:1 to 22:1
  3. C
    8:1 to 12:1
  4. D
    20:1 to 25:1
Question 7Single Answer
In a 4-stroke petrol engine, the camshaft rotates at:
  1. A
    Double the speed of the crankshaft
  2. B
    Same speed as the crankshaft
  3. C
    Half the speed of the crankshaft
  4. D
    One-fourth the speed of the crankshaft
Question 8Single Answer
The timing belt in a 4-stroke petrol engine synchronizes:
  1. A
    Piston and valves
  2. B
    Crankshaft and camshaft
  3. C
    Fuel pump and injectors
  4. D
    Turbocharger and exhaust
Question 9Single Answer
The carburettor in a petrol engine is responsible for:
  1. A
    Injecting fuel directly into the cylinder
  2. B
    Mixing air and fuel in correct ratio
  3. C
    Cooling the engine
  4. D
    Filtering exhaust gases
Question 10Single Answer
The choke in a petrol engine is used during:
  1. A
    Idling
  2. B
    High-speed operation
  3. C
    Cold starting
  4. D
    Full load
Question 11Single Answer
The spark plug in a petrol engine ignites the mixture at:
  1. A
    During suction stroke
  2. B
    The end of compression stroke
  3. C
    During exhaust stroke
  4. D
    During power stroke
Question 12Single Answer
The valve overlap in a 4-stroke petrol engine occurs:
  1. A
    During compression
  2. B
    Only during suction
  3. C
    Only during exhaust
  4. D
    When both inlet and exhaust valves are open briefly
Question 13Single Answer
The function of the piston rings is to:
  1. A
    Seal the combustion chamber and transfer heat
  2. B
    Lubricate the cylinder
  3. C
    Cool the piston
  4. D
    Drive the crankshaft
Question 14Single Answer
The connecting rod connects:
  1. A
    Crankshaft to flywheel
  2. B
    Camshaft to valves
  3. C
    Piston to crankshaft
  4. D
    Piston to cylinder head
Question 15Single Answer
The flywheel in a 4-stroke engine stores:
  1. A
    Coolant
  2. B
    Fuel
  3. C
    Rotational energy to smooth power delivery
  4. D
    Exhaust gases
Question 16Single Answer
The cylinder head in a petrol engine contains:
  1. A
    Fuel pump
  2. B
    Piston and crankshaft
  3. C
    Valves, spark plug, and combustion chamber
  4. D
    Oil sump
Question 17Single Answer
The crankshaft converts:
  1. A
    Rotary motion into reciprocating motion
  2. B
    Reciprocating motion into rotary motion
  3. C
    Linear motion into angular motion
  4. D
    Angular motion into linear motion
Question 18Single Answer
The inlet valve opens during:
  1. A
    Compression stroke
  2. B
    Suction stroke
  3. C
    Power stroke
  4. D
    Exhaust stroke
Question 19Single Answer
The exhaust valve opens during:
  1. A
    Suction stroke
  2. B
    Exhaust stroke
  3. C
    Compression stroke
  4. D
    Power stroke
Question 20Single Answer
The throttle valve controls:
  1. A
    Air-fuel mixture flow into the engine
  2. B
    Exhaust gas flow
  3. C
    Coolant circulation
  4. D
    Oil pressure
Question 21Single Answer
The function of the rocker arm is to:
  1. A
    Drive the crankshaft
  2. B
    Transmit cam motion to valves
  3. C
    Lubricate the piston
  4. D
    Cool the engine
Question 22Single Answer
The pushrod in an OHV engine connects:
  1. A
    Valves to cylinder head
  2. B
    Piston to crankshaft
  3. C
    Camshaft to rocker arm
  4. D
    Crankshaft to flywheel
Question 23Single Answer
In an OHC engine, the camshaft is located in:
  1. A
    The oil sump
  2. B
    The crankcase
  3. C
    The cylinder head
  4. D
    The intake manifold
Question 24Single Answer
The gudgeon pin connects:
  1. A
    Camshaft to timing belt
  2. B
    Crankshaft to flywheel
  3. C
    Piston to connecting rod
  4. D
    Valves to rocker arms
Question 25Single Answer
The main bearings support:
  1. A
    The camshaft
  2. B
    The crankshaft
  3. C
    The piston
  4. D
    The valves
Question 26Single Answer
In a 4-stroke diesel engine, the cycle is completed in:
  1. A
    One revolution
  2. B
    Two revolutions of the crankshaft
  3. C
    Four revolutions
  4. D
    Three revolutions
Question 27Single Answer
During the suction stroke in a diesel engine:
  1. A
    Fuel is injected
  2. B
    Air-fuel mixture is drawn in
  3. C
    Only air is drawn in
  4. D
    Exhaust gases are expelled
Question 28Single Answer
Fuel is injected in a diesel engine during:
  1. A
    Power stroke
  2. B
    Suction stroke
  3. C
    Exhaust stroke
  4. D
    The end of compression stroke
Question 29Single Answer
Ignition in a diesel engine occurs due to:
  1. A
    Carburettor
  2. B
    Spark plug
  3. C
    Glow plug only
  4. D
    High temperature from compression
Question 30Single Answer
The compression ratio in a typical 4-stroke diesel engine is:
  1. A
    14:1 to 22:1
  2. B
    8:1 to 12:1
  3. C
    4:1 to 6:1
  4. D
    20:1 to 25:1
Question 31Single Answer
The fuel pump in a diesel engine is:
  1. A
    Low-pressure pump only
  2. B
    Carburettor
  3. C
    High-pressure injection pump
  4. D
    Vacuum pump
Question 32Single Answer
The injector in a diesel engine:
  1. A
    Atomizes and injects fuel into the combustion chamber
  2. B
    Mixes air and fuel
  3. C
    Filters fuel
  4. D
    Cools the engine
Question 33Single Answer
The governor in a diesel engine controls:
  1. A
    Coolant flow
  2. B
    Valve timing
  3. C
    Oil pressure
  4. D
    Engine speed by regulating fuel supply
Question 34Single Answer
The glow plug in a diesel engine is used for:
  1. A
    High-speed operation
  2. B
    Cold starting
  3. C
    Idling
  4. D
    Full load
Question 35Single Answer
The turbocharger in a diesel engine increases:
  1. A
    Oil pressure
  2. B
    Fuel pressure
  3. C
    Air intake pressure
  4. D
    Coolant pressure
Question 36Single Answer
The intercooler in a turbocharged diesel engine:
  1. A
    Filters the air
  2. B
    Heats the air
  3. C
    Cools compressed air to increase density
  4. D
    Lubricates the turbo
Question 37Single Answer
The pre-combustion chamber in some diesel engines:
  1. A
    Stores fuel
  2. B
    Improves combustion efficiency
  3. C
    Cools the piston
  4. D
    Filters exhaust
Question 38Single Answer
The function of the oil control ring is to:
  1. A
    Transfer heat
  2. B
    Seal combustion gases
  3. C
    Scrape excess oil from cylinder walls
  4. D
    Lubricate bearings
Question 39Single Answer
The crankshaft in a diesel engine is generally:
  1. A
    Stronger and heavier than in petrol engines
  2. B
    Lighter
  3. C
    Made of plastic
  4. D
    Hollow
Question 40Single Answer
The camshaft in a diesel engine operates:
  1. A
    Both valves and fuel injection pump
  2. B
    Only valves
  3. C
    Only injectors
  4. D
    Turbocharger
Question 41Single Answer
The fuel filter in a diesel engine removes:
  1. A
    Oil from fuel
  2. B
    Air from fuel
  3. C
    Water and impurities from fuel
  4. D
    Exhaust gases
Question 42Single Answer
The injection timing in a diesel engine is critical for:
  1. A
    Exhaust flow
  2. B
    Cooling
  3. C
    Lubrication
  4. D
    Efficient combustion and power output
Question 43Single Answer
The exhaust valve in a diesel engine opens:
  1. A
    During suction
  2. B
    At TDC
  3. C
    Slightly before BDC during exhaust stroke
  4. D
    During compression
Question 44Single Answer
The inlet valve in a diesel engine closes:
  1. A
    At TDC
  2. B
    After BDC during compression stroke
  3. C
    During exhaust
  4. D
    During power stroke
Question 45Single Answer
The piston in a diesel engine has:
  1. A
    Flat top only
  2. B
    A combustion bowl on top
  3. C
    Spark plug hole
  4. D
    Carburettor mount
Question 46Single Answer
The big end bearing connects:
  1. A
    Camshaft to timing belt
  2. B
    Piston to gudgeon pin
  3. C
    Connecting rod to crankshaft
  4. D
    Valves to rocker arms
Question 47Single Answer
The small end bearing connects:
  1. A
    Injector to pump
  2. B
    Crankshaft to flywheel
  3. C
    Camshaft to valves
  4. D
    Connecting rod to piston
Question 48Single Answer
The balancer shaft in some diesel engines reduces:
  1. A
    Exhaust emissions
  2. B
    Fuel consumption
  3. C
    Oil pressure
  4. D
    Engine vibration
Question 49Single Answer
The oil pump in a diesel engine is driven by:
  1. A
    Turbocharger
  2. B
    Alternator
  3. C
    Starter motor
  4. D
    Camshaft or crankshaft
Question 50Single Answer
The cylinder block in a diesel engine is usually made of:
  1. A
    Wood
  2. B
    Plastic
  3. C
    Cast iron or aluminum alloy
  4. D
    Rubber
Important Questions Package

BRO Vehicle Mechanic Exam Online Question Bank Package

Buy BRO Vehicle Mechanic Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in BRO Vehicle Mechanic question bank 2026 in Online, PDF & Print study material.

+ Free Monthly Current Affairs, GK & more PDF Download
Sr.Package NameAmount
1.BRO Vehicle Mechanic Exam - Hindi
Description : 1000 Question with Answer
₹101 [₹500]
2.BRO Vehicle Mechanic Exam - Hindi
Description : 1600 Question with Answer
₹131 [₹500]
3.BRO Vehicle Mechanic Exam - English
Description : 1000 Question with Answer
₹101 [₹500]
4.BRO Vehicle Mechanic Exam - English
Description : 1550 Question with Answer
₹131 [₹500]
5.BRO Vehicle Mechanic Exam - Hindi
Description : 1000 Questi0n & Answer Download in PDF (Send by Email)
₹151 [₹450]
6.BRO Vehicle Mechanic Exam - English
Description : 1000 Questi0n & Answer Download in PDF (Send by Email)
₹151 [₹450]
7.BRO Vehicle Mechanic Exam Question Bank Book - Hindi
Description : 1000 Question with Answer (Printed Material)
₹450 [₹800]
8.BRO Vehicle Mechanic Exam Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390 [₹600]
9.BRO Vehicle Mechanic Exam - English (Old)
Description : 600 Question With Answer.
₹101 [₹500]
Back to Exam