Fitter – Semester 1 Module 1

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Fitter – Semester 1 Module 1 - Safety

Which gauge is used to measure below 8mm dimension? |

1 point

A : Telescopic gauge |

B : Small hole gauge |

C : Depth micrometer |

D : Inside micrometer |

Clear selection

Why lime stone serves as flux added to the ore in the blast furnace? |

1 point

A : To form molter slag |

B : To supply the oxygen |

C : To burn the carbon in coke |

D : To increase the melting point of ore |

Clear selection

What is the angle of countersink tool usedon holes to be threaded? |

1 point

A : 75°

B : 80°

C : 90°

D : 120°

Clear selection

What is the name of part marked as X in telescopic gauge? |

1 point

A : Handle |

B : Fixed leg |

C : Plunger lock

D : Telescopic leg |

Clear selection

Why drilled holes are over sized in drillingoperation? |

1 point

A : Drill is not sharp |

B : Unequal lip length |

C : Feed rate is too high |

D : Cooling is insufficient |

Clear selection

What is the counter sink angle ofchamfering in the end of drilled hole for threading?

1 point

A : 75°

B : 80°

C : 90°

D : 120°

Clear selection

What H denotes in the specifications of grinding wheel 32A46H8V? |

1 point

A : Grain size |

B : Type of abrasive |

C : Grade |

D : Structure |

Clear selection

Why drilled holes are over size than drilldia? |

1 point

A : Feed ratio is more |

B : Cooling is in effective |

C : Insufficient clearance angle |

D : Unequal length of cutting edge |

Clear selection

Why precision instruments are made of invar steel? |

1 point

A : Durability |

B : Cheaper in cost |

C : Surface finishing is fine

D : Least coefficient of expansion |

Clear selection

Which term indicates the amount of bond present between the individual abrasive grains? |

1 point

A : Grain |

B : Grade |

C : Abrasive |

D : Structure |

Clear selection

What is the included angle of metric V threads? |

1 point

A : 45°

B : 29°

C : 60°

D : 47½°

Clear selection

What is the method of removing broken stud? |

1 point

A : Ezy-out |

B : Prick punch |

C : Making drill hole |

D : Using square taper punch |

Clear selection

What 5 denotes in grinding wheel specification 41A46H5U8? |

1 point

A : Bond |

B : Abrasive |

C : Structure |

D : Grain size |

Clear selection

Which part of a reamer is designed for the removal of chips? |

1 point

A : Face |

B : Flute |

C : Heel |

D : Cutting edge |

Clear selection

Which angle determines the rake angle of drills? |

1 point

A : Helix angle |

B : Core angle |

C : Point angle |

D : Chisel edge angle |

Clear selection

What is the name of the die? |

1 point

A : Split die |

B : Half die |

C : Solid die |

D : Adjustable screw plate die |

Clear selection

What is the drill hole size for 16 mm reamer?

1 point

A : 15.75 mm

B : 15.50 mm

C : 14.65 mm

D : 16 mm

Clear selection

What is the name of the operation producing flat seat on drilled hole? |

1 point

A : Drilling |

B : Spot facing |

C : Countersinking |

D : Counterboring |

Clear selection

What is produced from blast furnace? |

1 point

A : Pig iron |

B : Cast iron |

C : Wrought iron |

D : Malleable iron |

Clear selection

What is the name of part marked as X in hand reamer? |

1 point

A : Taper lead |

B : Bevel lead |

C : Circular lead |

D : Taper lead angle |

Clear selection

: What is the name of operation? |

1 point

A : Drilling

B : Spot facing |

C : Counter sinking |

D : Counter boring |

Clear selection

Calculate the reading of vernier micrometer? |

1 point

A : 9.923 mm

B : 9.963 mm

C : 9.563 mm

D : 9.763 mm

Clear selection

What type abrasive wheel is used forgrinding cemented carbides? |

1 point

A : Green silicon carbide |

B : Grey aluminium oxide |

C : White aluminium oxide |

D : Brown aluminium oxide |

Clear selection

: What is measured with telescopic gauge?

1 point

A : Depth |

B : External dimension |

C : Angular dimension |

D : Size of holes, slots and recesses |

Clear selection

What is the value of one vernier division ofa vernier micrometer? |

1 point

A : 0.01 mm

B : 0.02 mm

C : 0.009 mm

D : 0.002 mm

Clear selection

What is the name of element marked X in reamer? |

1 point

A : Face |

B : Heel |

C : Flute |

D : Cutting edge |

Clear selection

What is the tap drill size for M20 x 15? |

1 point

A : 18.5

B : 20

C : 19

D : 17

Clear selection

What is the formula to calculate the blank size of external thread (where p=pitch and d=depth)? |

1 point

A : D = d – p/10

B : D = d + p/10

C : D = d x p/10

D : D = d ÷ p/10

Clear selection

Why centre screw is provided in the diestock? |

1 point

A : To tighten the die |

B : To adjust the depth of cut |

C : To adjust the dia of internal thread |

D : To adjust the dia of external thread |

Clear selection

What is the name of the part marked as Xof telescopic gauge? |

1 point

A : Spring

B : Handle

C : Fixed leg

D : Telescoping leg |

Clear selection

What is the name of the tool? |

1 point

A : Reamer |

B : Spot facing tool |

C : Countersink tool |

D : Counter boring tool |

Clear selection

What is the tool used in grinding operation? |

1 point

A : Honing tool |

B : Abrasive stick

C : Diamond dressers |

D : Star wheel dressers |

Clear selection

What is the colour of aluminium metal? |

1 point

A : Dull white |

B : White |

C : Bright white |

D : Bluish grey colour |

Clear selection

What 46 represent in standard marking system of grinding wheel (32A46H8V)? |

1 point

A : Grade |

B : Grain size |

C : Type of bond |

D : Type of abrasive |

Clear selection

: What is the reason for rough holes in drilling? |

1 point

A : Unequal point thinning |

B : Drill point not in centre |

C : Clearance angle is incorrect |

D : Drill cutting edges are not sharp |

Clear selection

What is the name of thread? |

1 point

A : Vee thread |

B : Buttress thread |

C : Square thread |

D : Saw - tooth thread |

Clear selection

What is the name of the part marked as X?

1 point

A : Breast plate |

B : Bevel pinion |

C : Frame work |

D : Locking screw |

Clear selection

What is the name of the part marked as X in vernier micrometer? |

1 point

A : Barrel

B : Thimble |

C : Datum line |

D : Vernier division |

Clear selection

Determine the drill size for finishing ø19mm reaming hole (as per table under size 0.2 &over size 0.05 mm)? |

1 point

A : 18.75 mm

B : 19.00 mm

C : 19.25 mm

D : 19.05 mm

Clear selection

Why grey cast iron widely used for machinetools? |

1 point

A : Rapid cooling |

B : Reduce vibration |

C : High tensile strength |

D : Very difficult to machining |

Clear selection

Which factor determine the selection ofwire in screw thread micrometer? |

1 point

A : Thread angle |

B : Type of thread and pitch |

C : Root and crest |

D : Major diameter |

Clear selection

Which type of thread, the crest and root sare rounded to form a semi circle?

1 point

A : Acme thread

B : Square thread

C : Knuckle thread

D : Trapezoidal thread

Clear selection

What is the size of drilled hole for reaming,ø 10 mm?

1 point

A : 8.5 mm

B : 9.75 mm

C : 10.00 mm

D : 10.25 mm

Clear selection

What is the name of part marked X? |

1 point

A : Root |

B : Pitch |

C : Crest

D : Helix angle |

Clear selection

: What is the minimum dimension can measure with telescopic gauge? |

1 point

A : 8.0 mm

B : 12.7 mm

C : 19.0 mm

D : 150 mm

Clear selection

Which type of bonded wheel is used in foundries for dressing castings? |

1 point

A : Silicate bond |

B : Shellac bond |

C : Rubber bond |

D : Resinoid bond |

Clear selection

What is the term, the top surface joining the two sides of a thread? |

1 point

A : Root |

B : Crest |

C : Flank |

D : Pitch |

Clear selection

What is the purpose of flute in drill? |

1 point

A : To drive out the chips |

B : To reduce the weight |

C : To reduce the cost |

D : To increase the speed |

Clear selection

What is the drill size for ø15 mm reaming hole? |

1 point

A : 14.75 mm

B : 14.50 mm

C : 15.25 mm

D : 14.65 mm

Clear selection

: Which micrometer having provision ofinterchangeable anvils? |

1 point

A : Depth micrometer |

B : Inside micrometer |

C : Outside micrometer

D : Screw thread micrometer |

Clear selection

What is the reason if the drilled hole islarger than the drill size? |

1 point

A : Drill is not sharp |

B : Feed rate is too high |

C : Cutting speed is too high |

D : Unequal angle of cutting edge |

Clear selection

: What is the purpose of type S twist drill? |

1 point

A : Used for hard material |

B : Used for high carbon steel |

C : Used for soft and tough material |

D : Used for normal low carbon steel |

Clear selection

Which cast iron has the ability to minimize tool chatter in machine tools? |

1 point

A : Grey cast iron |

B : White cast iron |

C : Nodular cast iron |

D : Malleable cast iron

Clear selection

What V denotes in grinding wheel specification 32A46H8V? |

1 point

A : Bond |

B : Grade |

C : Abrasive |

D : Grain size |

Clear selection

What is the name of the angle marked as Xin drill bit? |

1 point

A : Helix angle |

B : Lead angle

C : Point angle |

D : Chisel edge angle |

Clear selection

: What type of abrasive wheel is used forgrinding die steel? |

1 point

A : Silicon carbide |

B : Green silicon carbide |

C : White aluminium oxide |

D : Brown aluminium oxide |

Clear selection

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