Quiz Questions - Trade theory

Question 1 1 Marks

What is the material used to produce crank shaft?

A

Chromium vanadium nickel steel

B

High speed steel

C

Cast iron

D

Wrought iron

Question 2 1 Marks

What is the name the portion below the piston boss?

A

Land of the piston

B

Ring section of the piston

C

Crown of the piston

D

Skirt of the piston

Question 3 1 Marks

Which part connect the piston with connecting rod?

A

Piston pin

B

Spilt pin

C

Crank pin

D

Cotter pin

Question 4 1 Marks

Which part is connect the piston with crank pin?

A

Push rod

B

Connecting rod

C

Cam Shaft

D

Crank Shaft

Question 5 1 Marks

Which tool is used to measure the diameter of the crank shaft main journal?

A

Inside micrometer

B

Outside micrometer

C

Three point internal micrometer

D

Master ring gauge

Question 6 1 Marks

What is the material for cam shaft?

A

Forged alloy steel

B

Copper alloy

C

Aluminium alloy

D

Zinc alloy

Question 7 1 Marks

Which instrument is used to check the vacuum of the cylinder?

A

Compression gauge

B

Dial gauge

C

Vacuum gauge

D

Wire gauge

Question 8 1 Marks

Which is connected with pison through piston pin?

A

Gudgeon pin

B

Connecting rod

C

Cam shaft

D

Rocker arm

Question 9 1 Marks

Which is the key element in converting reciprocating motion in to rotary motion?

A

Connecting rod

B

Gudgeon pin

C

King pin

D

Cam shaft

Question 10 1 Marks

Which is the load taken by the roller bearing?

A

Radial load

B

Axial load

C

Thrust load

D

Radial and axial load

Question 11 1 Marks

Where is the compression ring is fitted in the piston?

A

Compression ring above the oil ring in the piston

B

Compression ring bottom of the piston skirt

C

Compression ring between oil ring and piston pin

D

Compression ring between piston pin and bottom of skirt

Question 12 1 Marks

What is the speed ratio cam shaft to crank shaft?

A

Half

B

Equal

C

Double

D

Triple

Question 13 1 Marks

What is the material of cylinder block?

A

Cast iron

B

Bronze

C

Brass

D

Zinc alloy

Question 14 1 Marks

What is the reason for corrosion of bearing?

A

Less clearance

B

Water mixed with lubricant

C

Over loaded

D

Over heated

Question 15 1 Marks

What is the effect of tapper and ovality of a bore?

A

Compression loss

B

Miss firing

C

Difficult starting

D

False valve timing

Question 16 1 Marks

Which gauge used to measure the cylinder bore wearness?

A

Compression gauge

B

Vacuum gauge

C

Dial gauge

D

Depth gauge

Question 17 1 Marks

Which instrument is used to check the tappet clearance?

A

Telescopic gauge

B

Screw pitch gauge

C

Feeler gauge

D

Wire gauge

Question 18 1 Marks

Where the fly wheel is fitted in the engine?

A

Cam shaft

B

Crank shaft

C

Rocker arm shaft

D

Primary shaft

Question 19 1 Marks

What is the purpose of the fly wheel timing mark?

A

To coincide the gears

B

To set the engine timing

C

To set the F.I.P timing

D

To set the valve clearance

Question 20 1 Marks

Which tool is used to remove the piston ring?

A

Drift punch

B

Ring expander

C

Circlip plier

D

'C' clamp