Take ITI NCVT Mechanic Motorcycle (AITT Theory) Practice Questions - DGT NCVT Craftsmen Training Scheme - Mechanic Two & Three Wheeler (Job role Mechanic, Motor Cycle) All India Trade Test Trade Exam

QUESTION 1 / 25

During motorcycle workshop practice under CTS safety rules, which fire extinguisher type is most appropriate for a petrol fuel-spill fire?

Choose one answer below.

AFoam or dry-chemical extinguisher rated for flammable-liquid (Class B) fires✓BWater extinguisher intended only for ordinary combustibles (Class A)✓CCO2 extinguisher intended only for energised electrical (Class C) equipment fires with no liquid-fuel rating✓DWater extinguisher used as a high-pressure jet directed into the centre of the petrol puddle✓

QUESTION 2 / 25

What is the safest practice when disposing of used engine oil after servicing a two-wheeler?

Choose one answer below.

APour it into a storm-water drain to keep the shop floor clean✓BCollect it in a sealed labelled container and send it for authorised recycling or disposal✓CMix it with petrol and burn it in an open yard✓DMix it into general workshop floor sweepings and dispose with ordinary rubbish✓

QUESTION 3 / 25

Before road-testing a repaired motorcycle from an ITI workshop, which requirement best matches CTS safety guidance?

Choose one answer below.

AAny trainee may test-ride immediately after assembly without authorisation✓BRoad testing is never allowed under any CTS trade syllabus✓COnly an authorised person may move and road-test the vehicle after safety checks✓DRoad-test immediately in traffic without checking brakes, lights or controls✓

QUESTION 4 / 25

In 5S workshop housekeeping taught with automotive trade safety, what does the second S (Seiton / Set in order) primarily mean?

Choose one answer below.

ADiscard all tools after each job so the bench stays empty✓BClean machines thoroughly while leaving tools scattered without fixed locations✓CSweep the floor only and leave drawers and racks unsorted✓DArrange tools and parts so each item has a clear, labelled place for quick retrieval✓

QUESTION 5 / 25

Which electrical safety tip is most appropriate when working near a motorcycle battery and wiring harness?

Choose one answer below.

ARemove rings and watches, isolate power when practical, and avoid shorting battery terminals with tools✓BWear metal jewellery to improve conductivity while probing circuits✓CAlways weld directly across battery posts to check cable thickness✓DPour water over the battery before every voltage measurement✓

QUESTION 6 / 25

A trainee lifts an engine using a workshop hoist. Which practice aligns with CTS guidance on lifting equipment?

Choose one answer below.

ASkip periodic testing because hoists never fail✓BUse the hoist within its rated capacity and follow periodic testing and safe-handling procedures✓CExceed the rated load briefly if the job is urgent✓DStand directly under the suspended engine to guide it by hand✓

QUESTION 7 / 25

Which instrument is most suitable for measuring the outside diameter of a motorcycle piston with high precision in an automotive workshop?

Choose one answer below.

ASteel rule alone without micrometre contact✓BTry square✓COutside micrometre✓DCentre punch✓

QUESTION 8 / 25

When laying out a circular mark on a workpiece for motorcycle workshop practice, which pair of tools is typically used together?

Choose one answer below.

ATorque wrench and feeler gauge only✓BDial bore gauge and vacuum gauge only✓CHydrometer and densimeter only✓DDivider (or compass) with a centre punch and scriber on a marked centre✓

QUESTION 9 / 25

What is Prussian blue commonly used for when marking motorcycle workshop jobs?

Choose one answer below.

ACoating a surface so scribed layout lines show clearly✓BLubricating gearbox gears permanently✓CSealing tyre punctures✓DCooling welding tips✓

QUESTION 10 / 25

A feeler gauge in two-wheeler service is primarily used to measure:

Choose one answer below.

AFuel octane rating in the tank✓BSmall clearances such as valve clearance or spark-plug gap✓CWheelbase length of the motorcycle✓DBattery open-circuit voltage✓

QUESTION 11 / 25

Which statement correctly describes a Vernier caliper used in automotive measurement practice?

Choose one answer below.

AIt can only measure tyre pressure✓BIt replaces the need for any torque wrench✓CIt can measure outside, inside and often depth dimensions with finer resolution than a basic steel rule✓DIt is used solely to test ignition coil resistance✓

QUESTION 12 / 25

When measuring motorcycle cylinder bore wear during overhaul, which instrument is most appropriate?

Choose one answer below.

AOutside micrometre on the tyre tread only✓BTry square across the handlebar✓CHydrometer dipped in the fuel tank✓DDial bore gauge (or inside micrometre) compared with service limits✓

QUESTION 13 / 25

What is the main purpose of a surface plate in marking and measurement practice?

Choose one answer below.

ATo provide a flat reference surface for layout and checking with height gauges or scribers✓BTo heat piston rings before installation✓CTo store petrol safely underground✓DTo generate AC charging current✓

QUESTION 14 / 25

A centre punch is primarily used to:

Choose one answer below.

AMeasure thread pitch accurately✓BMark a small indentation so a drill or divider point will not wander✓CSet ignition timing degrees on the flywheel✓DBleed hydraulic brake lines✓

QUESTION 15 / 25

Which cleaning tool is typically used to remove carbon or gasket residue from a motorcycle metal surface without the aggressive cutting action of a file?

Choose one answer below.

ACentre punch only✓BPhillips screwdriver used as a chisel✓CWire brush or scraper used carefully as appropriate to the surface✓DFeeler gauge leaf bent into a hook✓

QUESTION 16 / 25

A torque wrench is used during two-wheeler assembly mainly to:

Choose one answer below.

AMeasure cylinder compression pressure✓BCheck battery specific gravity✓CSet carburettor float height by bending the needle✓DTighten fasteners to the manufacturer’s specified torque without relying on guesswork✓

QUESTION 17 / 25

While measuring piston-to-cylinder clearance during overhaul, which approach matches CTS measurement practice?

Choose one answer below.

AMeasure piston OD and cylinder bore with appropriate micrometre or bore tools and compare clearance with the service manual✓BEstimate by eye without instruments✓CUse only a tyre pressure gauge reading✓DRely solely on oil colour in the sight glass✓

QUESTION 18 / 25

Which locking device is commonly used to prevent a castellated nut from loosening on a motorcycle axle or similar joint?

Choose one answer below.

AFeeler gauge leaf✓BSplit pin (cotter pin) through the nut and shaft✓CPrussian blue coating alone✓DSoft solder fillet without mechanical lock✓

QUESTION 19 / 25

What is the primary function of a gasket between a motorcycle cylinder head and cylinder?

Choose one answer below.

AIncrease compression ratio by adding metal thickness permanently✓BReplace the need for head-bolt torque specifications✓CSeal the joint against gas, oil or coolant leakage between mating surfaces✓DAct as the main bearing for the crankshaft✓

QUESTION 20 / 25

When removing a broken stud from a blind hole in an aluminium motorcycle case, which practice is safest and most appropriate?

Choose one answer below.

ADrill oversized immediately through the case wall without planning✓BHammer a screwdriver sideways into the stud until the case cracks✓CWeld the case shut and abandon the fastener✓DUse a properly sized extractor after careful centre-drilling, protecting threads and surrounding metal✓

QUESTION 21 / 25

Oil seals on a motorcycle gearbox shaft are mainly intended to:

Choose one answer below.

ARetain lubricant and exclude dirt or moisture at the shaft exit✓BIncrease gear ratio under load✓CReplace the clutch friction plates✓DSet valve timing automatically✓

QUESTION 22 / 25

Which hand tool is specifically designed to drive screws with a cross-recess (Phillips) head?

Choose one answer below.

AFlat-blade screwdriver only✓BPhillips screwdriver✓CBall-pein hammer✓DOutside caliper✓

QUESTION 23 / 25

Circlips (snap rings) on motorcycle shafts are typically used to:

Choose one answer below.

AMeasure oil pressure in the gallery✓BEnrich the carburettor mixture at idle✓CAxially locate bearings, gears or pins in a groove✓DGround the ignition coil secondary✓

QUESTION 24 / 25

In a simple series circuit used for basic electrical practice, what happens if one bulb burns open?

Choose one answer below.

AVoltage at the battery immediately doubles✓BAll parallel paths elsewhere also must open✓CResistance of the remaining closed path becomes zero✓DCurrent stops in that series path because the circuit is interrupted✓

QUESTION 25 / 25

When tracing a motorcycle lighting circuit fault, measuring voltage drop across a connector under load primarily helps detect:

Choose one answer below.

AExcessive resistance from corrosion or a poor connection✓BFuel octane deficiency✓CTyre under-inflation✓DIncorrect valve clearance✓