June 27, 2023June 7, 2023

MECHANIC DIESEL- Diesel Engine components MCQ

Prepare for your examinations with a set of multiple choice questions (MCQs) related to Diesel Engine components for MECHANIC DIESEL Trade. The questions are likely designed to test a user’s knowledge or understanding of Mechanic Diesel concepts and may be useful for exam preparation or self-assessment. The website may be a helpful resource for individuals studying to become Mechanic Diesel or seeking to improve their understanding of Mechanic Diesel principles.

DIESEL ENGINE COMPONENTS

What is the material of cylinder block? Cast iron Bronze Brass Zinc alloy

What is the name of the part marked as x? Valve door cover Cylinder head Engine block Oil pan

What is the name of the part marked as x? Valve door cover Cylinder head Engine block Oil pan

What is the name of the diagram? Injection timing Port timing Valve timing Ignition timing

What is the name of the part marked as x? Crank pin Crank arm Balancing weight Main journal

What is the name of the part marked as X? Gudgeon pin King pin Connecting rod Piston pin hole

What is the material of piston pins? Nickel chromium steel Cast iron HSS Bronze

What is the name of the part marked as x? Drive product Vibration damper Fan pulley Flywheel

What is the material used to produce crankshaft? Chromium vanadium nickel steel High speed steel Cast iron Wrought iron

What is the name of the bearing? Ball bearing Roller bearing Needle bearing Tappet roller bearing

What is the name of the bearing? Ball bearing Roller bearing Needle bearing Taper roller bearing

What is the name the portion below the piston boss? Land of the piston Ring section of the piston Crown of the piston Skirt of the piston

Which part is connect the piston with crank pin? Push rod Connecting rod Cam Shaft Crank Shaft

What is the name of part marked as x? Alternator pulley Water pump pulley Crankshaft pulley Dynamo pulley

Which tool used to remove the crankshaft pulley? Double end spanner Ring spanner Pipe wrench Puller

What is the material of inlet valve? Nickel steel alloy Aluminium alloy Copper alloy Chromium alloy

What is the name of the part marked as x? Cam lobe Tappet Valve seat Rocker arm

What is the name of the part marked as x? Cam lobe Tappet Valve seat Rocker arm

What is the material of camshaft? Forged alloy steel Copper alloy Aluminium alloy Zinc alloy

What is the name of the drive? Belt drive Chain drive Rope drive Gear drive

What is the name of the tool? Torque wrench Piston ring compressor Piston ring expander Circlip player

Which measuring instrument is used to check the flywheel face out? Dial indicator Compression gauge Outside micrometre Feeler gauge

What is the name of the tool? Dial type torque wrench Scale type torque wrench Ratchet type torque wrench Torsion has type torque wrench

What is the name of the tool? Torque wrench Piston ring expander Piston ring compressor Circlip player

Which instrument is used to check the leakage of the cylinder? Compression gauge Dial gauge Vacuum gauge Wire gauge

Which instrument is used to check the tappet clearance? Depth gauge Pitch gauge Feeler gauge Wire gauge

Which measuring instrument is used to find the diameter of piston? Inside micrometer Depth micrometer Outside micrometer Three point internal micrometer

Which tool is used to measure the diameter of the crankshaft main journal? Inside micrometer Outside micrometer Three point internal micrometer Master ring gauge

Which of the following is connected with piston through piston pin? Gudgeon pin Connecting rod Cam shaft Rocker arm

Which of the following joins piston and connecting rod? Gudgeon pin Rocker arm Cam shaft King pin

Which transfers energy from the piston to crankshaft? Gudgeon pin Rocker arm Connecting shaft King pin

Which is the key element in converting reciprocating motion in to rotary motion? Gudgeon pin Connecting rod Cam shaft Rocker arm

Which type of hardening is done on crankshaft? Induction hardening Case hardening Flame hardening Surface hardening

Which load is taken by the roller bearing? Radial load Axial load Thrust load Radial and axial load

What is the load taken by taper roller bearing? Radial load Axial load Thrust load Radial and axial

Which bearing used in the differential and wheel of a heavy vehicle? Ball bearing Roller bearing Needle bearing Taper roller bearing

Which bearing is used in flywheel and water pumps? Ball bearing Roller bearing Needle bearing Taper roller bearing

Which bearing is used in gear boxes? Ball bearing Roller bearing Needle bearing Taper roller bearing

Bush bearing is preferred in Connecting rods Fly wheel and water pumps Differential and wheel hub Gear boxes

What is the cause for double knock in the piston? Piston worn out Piston ring workout Piston pin and boss worn out Liner worn out

What type of bearing fitted in the big end of connecting rod? Needle bearing Ball bearing Taper roller bearing Shell bearing

Where the compression ring is fitted in the piston? Above the oil ring in piston Bottom of the piston skirt Piston between oil ring and piston pin Connecting rod between piston pin and bottom of skirt

What is the first step in removal method of flywheel? Unlock the lock plate/wire Unscrew the fastening bolts Lock the flywheel with wooden piece Remove the flywheel ring

Where the flywheel is fitted in the engine? Cam shaft Crank shaft Rocker arm shaft Primary shaft

Which valve allows one direction flow only? Poppet valve Rotary valve Reed valve Sleeve valve

What is the term used to refer when a valve open before TDC? Lead Lag Over lap Retard

What is the term used to refer when a valve closes after BDC? Lead Advance Lag Over lap

What is the term used to refer to when both valves open position? Lead Advance Lag Over lap

Which is used to convert rotary into reciprocating motion? Cam Shaft Connecting rod Rocker arm Main shaft

Which is the drive source of a camshaft? Crank Shaft Flywheel Self motor Gear box

What is the speed ratio cam shaft to crank shaft? Half Equal Double Triple

Which tool is required to remove the valves? Torque wrench Valve spring lifter Box spanner Scraper

What is ovality of a bore? Difference in dia measured top to bottom Difference in dia thrust to non thrust side of cylinder Difference in dia measured only at top Difference in dia measured only at bottom

When is it required to coincide the mark with timing gears? During assembling water pump During assembling oil pump During assembling cam shaft During assembling radiator

Which gauge used to measure the cylinder bore wearness? Compression gauge Vacuum gauge Dial gauge Depth gauge

What is the purpose of the timing chain? To connect water pump pulley To connect alternator To connect crank and cam shaft gear To connect A/C compressor

What is the purpose of the flywheel timing mark? To coincide the gears To set the engine timing To set the F.I.P timing To set the valve clearance

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