FITTER I YEAR MCQ
1 A new hacksaw blade after a few stroke, becomes loose because of?
A Stretching of blade
B Wrong pitch of the blade
C Improper selection of saw sets
D nut thread being worn out
Answer: A Stretching of blade
2 Name the defect that causes the metal chips to clog between the teeth of file?
A File bite
B Pinning of file
C Warping of file
D Glazing of file
Answer: B Pinning of file
3 What will be the effect if the clearance angle of chisel is less than recommended angle while chipping?
A Cutting edge cannot penetrate, chisel will slip
B Cutting edge digs in, cut will be deeper
C Cutting edge will break
D Cutting edge of chisel move freely on straight line
Answer: A Cutting edge cannot penetrate, chisel will slip
4 What happen if the clearance angle of chisel is too high?
A Slipping of chisel
B Digging on the surface
C Cutting edge will break
D Heavy metal removal from the surface
Answer: B Digging on the surface
5 What is the reason for scratches produced on field surface?
A Pinning
B Glazing
C File bite
D Warping
Answer: A Pinning
6 What is the effect of improper method of diagonal filing?
A Uneven surface finish
B Scratches on the surface
C Convexity on the surface
D Improper finish on surface
Answer: A Uneven surface finish
7 How to prevent the tool rubbing against the work surface in metal cutting process?
A Decrease lip angle
B Increased rake angle
C Increase clearance angle
D Decrease tool wedge angle
Answer: C Increase clearance angle
8 Which activity causes excessive wear and chattering of drill bit while drilling?
A Too fast feed rate
B Too slow feed rate
C More cutting speed
D Too slow spindle speed
Answer: B Too slow feed rate
1 Which cutting fluid used for drilling in cast iron?
A Dry air jet
B Soluble oil
C Mineral oil
D Vegetable oil
Answer: A Dry air jet
2 Name the part marked as ‘x’ in radial drilling machine?
A Base
B Spindle
C Radial arm
D Spindle head
Answer: D Spindle head
3 Which one is used to bring the plates closely together after inserting the rivet in the hole?
A Drift
B Dolly
C Rivet set
D Caulking tool
Answer: C Rivet set
4 Name the part of lever shear marked as ‘x’?
A Base plate
B Lever arm
C Lower blade
D Upper blade
Answer: C Lower blade
5 Name the sheet metal operation?
A Grooving
B Notching
C Bending
D Folding
Answer: A Grooving
6 Name the zinc coated iron?
A Black iron
B Tinned iron
C Stainless steel
D Galvanised iron
Answer: D Galvanised iron
7 Which sheet metal is highly resistant to corrosion and abrasion?
A Copper
B Black iron
C Aluminium
D Galvanised iron
Answer: C Aluminium
8 What is the formula to calculate the size across flat to flat of regular hexagon?
A 2a
B 2a
C 3a
D 3a
Answer: C 3a
9 What is the material of solder?
A Welding rod
B Synthetic element
C Pure metal or alloy
D Non metallic element
Answer: C Pure metal or alloy
10 Which flux used for soldering steel?
A Ammonium chloride
B Zinc chloride
C Resin
D Paste
Answer: A Ammonium chloride
11 What is the material used to manufacture rivets?
A Rubber
B Synthetic
C Hardened steel
D Mild steel
Answer: D Mild steel
12 Name the part marked as ‘x’ in a rivet?
A Tail
B Body
C Head
D Diameter
Answer: B Body
13 Which rivet is used in heavy structural work?
A Pan head rivet
B Snap head rivet
C Counter sunk rivet
D Conical head rivet
Answer: A Pan head rivet
14 What is the name of tool is used to support the snap head rivet?
A Dolly
B Drift
C Rivet set
D Rivet snap
Answer: A Dolly
15 Name the riveting defect shown?
A Improper joining of plates
B Burrs between plates
C Rivet head not centred with the shank
D Body of the rivet not perpendicular to the plate
Answer: C Rivet head not centred with the shank
16 Which tool used in sheet metal work to scribe a circle or arc with a large diameter?
A Spring compass
B Trammel
C Wing compass
D Ordinary compass
Answer: B Trammel
A Body
B Clamp
C Upper blade
D Lower blade
Answer: B Clamp
18 Which rivets are used in light assembly work?
A Pan head rivet
B Snap head rivet
C Counter sunk rivet
D Conical head rivet
Answer: D Conical head rivet
19 What is the tool used to form the other end of rivet head?
A Dolly
B Drift
C Rivet set
D Rivet snap
Answer: D Rivet snap
20 What is the name of the notch in sheet metal work?
A ‘V’ notch
B Slant notch
C Square notch
D Straight notch
Answer: C Square notch
21 What type of mallet used for hollowing panel beating?
A Brass mallets
B Rubber mallets
C Wooden mallet
D Bossing mallets
Answer: D Bossing mallets
22 Which stake is used to form an arc of a circle bevelled along one side?
A Funnel stake
B Hatchet stake
C Half moon stake
D Beak or bick iron
Answer: C Half moon stake
23 What is the name of supporting tool in sheet metal work?
A Hatchet stake
B Funnel stake
C Half moon stake
D Round bottom stake
Answer: D Round bottom stake
24 What is the name of the joint in sheet metal?
A Grooved joint
B Pane down joint
C Knocked up joint
D Double grooved joint
Answer: D Double grooved joint
25 What is the maximum cutting capacity of snip?
A 1.2 mm thickness
B 2.0 mm thickness
C 2.5 mm thickness
D 3.0 mm thickness
Answer: A 1.2 mm thickness
26 What is the name of supporting tool in sheet metal work?
A Funnel stake
B Hatchet stake
C Half moon stake
D Round bottom stake
Answer: C Half moon stake
27 Which riveting tool is used to form the final shape of rivet?
A Drift
B Dolly
C Rivet set
D Rivet snap
Answer: D Rivet snap
28 Name the tool used to make fluid tight joint in riveting?
A Drift
B Rivet snap
C Fullering tool
D Caulking tool
Answer: C Fullering tool
29 What is the name of tool used to cut thicker sheets?
A Bend snips
B Lever shears
C Straight snips
D Circle cutting machine
Answer: B Lever shears
30 Which stake is used for making sharp bends?
A Funnel stake
B Hatchet stake
C Half moon stake
D Beak or bick iron
Answer: B Hatchet stake
31 What is the name of stake?
A Horse
B Bick iron
C Funnel stake
D Creasing iron
Answer: C Funnel stake
32 Which flux is used for soldering tin sheets?
A Resin
B Paste
C Zinc chloride
D Ammonium chloride
Answer: C Zinc chloride
33 What is the seam used in sheet metal joint for roofing and panelling?
A Lap seam
B Double seam
C Grooved seam
D Double grooved seam
Answer: D Double grooved seam
34 What is rivet interference?
A Thickness of sheet
B Diameter of the rivet
C Length to form the head
D Total rivet length required for riveting
Answer: C Length to form the head
35 What is the part marked as ‘x’ in the hand shearing machine?
A Clamp
B Lever arm
C Lower blade
D Upper blade
Answer: D Upper blade
36 What is the tool marked as ‘x’ in riveting?
A Dolly
B Rivet set
C Fullering tool
D Caulking tool
Answer: D Caulking tool
37 Which tool is used to make fluid-tight joint by pressing the riveted edge plate?
A Dolly
B Drift
C Caulking tool
D Fullering tool
Answer: D Fullering tool
38 Which metal is very soft and heavy in sheet metal work?
A Lead
B Black iron
C Aluminium
D Copper sheet
Answer: A Lead
39 Name the tool marked as ‘X’ in riveting?
A Drift
B Rivet snap
C Caulking tool
D Fullering tool
Answer: D Fullering tool
40 Which hammer is suitable for riveting?
A Plastic hammer
B Ball pein hammer
C Cross pein hammer
D Straight pein hammer
Answer: B Ball pein hammer
41 Which notch is cut at an angle of 45° to the corner of the sheet metal?
A Wire notch
B Slant notch
C Square notch
D Straight notch
Answer: B Slant notch
42 Name the joint made by fastening two edges of sheet metal together?
A Hem
B Seam
C Notch
D Groove
Answer: B Seam
43 What is the flux used for soldering in the form of powder and evaporates while heating?
A Resin
B Zinc chloride
C Hydrochloric acid
D Ammonium chloride
Answer: D Ammonium chloride
44 Name the type of seam?
A Lap seam
B Double seam
C Grooved seam
D Double grooved seam
Answer: A Lap seam
45 Which rivet is used to avoid the projection of rivet head?
A Pan head rivet
B Snap head rivet
C Conical head rivet
D Counter sunk head rivet
Answer: D Counter sunk head rivet
1 Select the spindle speed (rpm) for H.S.S drill dia 24 mm and cutting speed (V) = 30 m/min to drill mild steel?
A 275 rpm
B 300 rpm
C 400 rpm
D 450 rpm
Answer: C 400 rpm
2 What is the use of bent snips?
A Groove cut
B Zigzag cut
C Straight cut
D Circular cut
Answer: D Circular cut
3 Calculate the weight of steel plate having length of 2000 mm, width of 500 mm, thickness of 4 mm and density of 7.85 g/cm3?
A 21.4 Kg
B 31.4 Kg
C 41.4 Kg
D 50.4 kg
Answer: B 31.4 Kg
4 What is the use of stakes in sheet metal work?
A Rest of work
B Supporting piece
C Sharpening
D Folding shapes
Answer: B Supporting piece
5 What is the purpose of groover?
A Releasing of seam
B Compress the seam
C Closing and locking of seam
D Stress relieving during seam operation
Answer: C Closing and locking of seam
6 Which is the operation of covering area of the metal with molten solder?
A Pickling
B Swaging
C Seaming
D Tinning
Answer: D Tinning
7 What is the use of groover in sheet metal work?
A Releasing of seam
B Compress the seam
C Closing and loading of seam
D Stress relieving during seam operation
Answer: C Closing and loading of seam
8 What is the purpose of hole marked as ‘x’?
A Arrest the crack
B Facilitate easy bending
C Make good appearance
D Allow clearance between the ends
Answer: A Arrest the crack
9 How the distance of first rivet is determined from the side edge?
A 3 x dia of rivet
B 2 x dia of rivet
C 2.5 x dia of rivet
D 3.5 x dia of rivet
Answer: B 2 x dia of rivet
10 What is the use of stakes in sheet metal work?
A Sharpening
B Supporting
C Rest of workpiece
D Protect the tool from damage
Answer: B Supporting
11 Why allowance is required while making various types of hems and seams?
A To make good appearance
B To prevent damage to the edges
C To prevent over lapping at the seam
D Maintain correct size and improve the strength
Answer: D Maintain correct size and improve the strength
12 Which sheet metal is easiest to joint and solder?
A Tinned plate
B Lead
C Galvanised iron
D Stainless sheet
Answer: A Tinned plate
13 Which sheet metal withstand contact with water and exposure to weather?
A Black iron
B Copper sheet
C Stainless sheet
D Galvanised iron
Answer: D Galvanised iron
14 What is the purpose of drift in riveting operation?
A Position the rivet
B Make metal to metal joint
C Align the holes to be riveted
D Prevent damage to rivet head
Answer: C Align the holes to be riveted
1 Why burr form on the underside of the sheet metal while shearing?
A No clearance
B Hardened metal
C Increase in force
D Excessive clearance
Answer: A No clearance
2 What is the fault in riveting?
A Burrs between plates
B Rivet head not centered
C Too much allowance given
D Holes on the plate are not in line
Answer: D Holes on the plate are not in line
3 What is the name of riveting defect?
A Too little allowance on shank
B Too much allowance on shank
C Rivet head not centered with shank
D Head of rivet not perpendicular to shank
Answer: B Too much allowance on shank
4 What is the reason for faulty rivetting?
A Burrs between plates
B Too little allowance given
C Improper joining of plates
D Too much allowance given
Answer: A Burrs between plates
5 What is the fault in riveting?
A Too little allowance
B Burrs between the plates
C Holes on the plate not in line
D Rivet body not perpendicular
Answer: A Too little allowance
6 What is the minimum distance between the rivets to avoid buckling?
A 2 D
B 2.5 D
C 3 D
D 3.5 D
1 Which type of filler rod is used in gas welding of stainless steel?
A Pure aluminium
B Copper silver alloy
C Columbium stainless steel
D Copper coated mild steel
Answer: C Columbium stainless steel
2 Name the gas welding defect?
A Porosity
B Lack of fusion
C Oxidised weld
D Incomplete penetration
Answer: B Lack of fusion
3 Name the joint in the arc welding?
A Flush corner joint
B Single fillet lap joint
C Half open corner joint
D Full open corner joint
Answer: C Half open corner joint
4 Which arc welding machine can be used anywhere in the field work even away from electric lines?
A Rectifier set
B Motor generator set
C Engine generator set
D AC welding transformer
Answer: C Engine generator set
5 Which arc welding machine provides better heat distribution in the electrode and job?
A Rectifier set
B Motor generator set
C Welding transformer
D Engine generator set
Answer: A Rectifier set
6 What is the colour painted on the acetylene gas cylinders?
A Black
B Green
C Blue
D Maroon
Answer: D Maroon
7 What is the angle to be maintained in the blow pipe and filler rod in the left ward welding technique?
A 60° & 30°
B 50° & 40°
C 30° & 50°
D 60° & 40°
Answer: A 60° & 30°
8 Name the safety operation carried out in welding plant shown in the figure?
B Cooling the surface to clear gases
C Water forced to clean the surface
D Exhaust duct capture fuses and gases
Answer: D Exhaust duct capture fuses and gases
9 Identify the part marked as ‘x’?
A Safety plug
B Steel bottle
C Valve spindle
D Dissolved acetylene
Answer: A Safety plug
10 What is the name of distortion occurs in the weld direction?
A Angular distortion
B Bending distortion
C Longitudinal distortion
D Transverse distortion
Answer: C Longitudinal distortion
11 What is the name of the metal edge in an angle during welding and cutting operations?
A Kerf
B Drag
C Bevel
D Gouging
Answer: C Bevel
12 What is the oxygen cylinder colour?
A Red
B Blue
C Black
D Maroon
Answer: C Black
13 What is the name of the part marked as ‘X’?
A Handle
B Mixing chamber
C Oxygen control value
D Acetylene control value
Answer: C Oxygen control value
14 What is the name of PPE?
A Portable screen
B Chipping goggles
C Welding hand screen
D Welding helmet screen
Answer: C Welding hand screen
15 What is the name of the part marked as ‘X’?
A Preheat control valve
B Oxygen control valve
C Horizontal adjustment
D Vertical adjustment
Answer: D Vertical adjustment
16 What is the storing capacity of oxygen cylinder?
A 7 m3
B 10 m3
C 14 m3
D 15 m3
Answer: A 7 m3
17 What is the equipment used to protect the body from flying spark during gas cutting?
A Leather cap
B Leather apron
C Leather shoes
D Cutting goggles
Answer: B Leather apron
1 What is the function of AC welding transformer?
A It converts to low voltage high current ampere
B It converts to high voltage and low current ampere
C It converts to low voltage and low current ampere
D It converts to high voltage and high current ampere
Answer: A It converts to low voltage high current ampere
2 What is the disadvantage of AC welding transformer?
A More initial cost
B Not free from arc blow
C More maintenance cost
D Not suitable for welding non ferrous meta
Answer: D Not suitable for welding non ferrous meta
3 Which factor determine the current setting during welding?
A Types of joint
B Position of weld
C Length of electrode
D Diameter of electrode
Answer: D Diameter of electrode
4 What is the OCV for welding in step-down transformer which reduces the main supply voltage (220 or 440 volts)?
A 40 and 100 volt
B 50 and 100 volt
C 30 and 20 volt
D 20 and 25 volt
Answer: A 40 and 100 volt
5 Which is the welding machine designed to supply both A.C and D.C current for welding ferrous and non-ferrous metals using all types of electrode?
A Rectifier set
B Transformer set
C Motor generator set
D Engine generator set
Answer: A Rectifier set
6 Why the cylinder keys are not removed from the cylinder while welding?
A To prevent gas leak
B To adjust the gas supply
C To open and close frequently
D To close quickly in case of fire
Answer: D To close quickly in case of fire
7 Which process blow out the cylinder valve socket before connecting the regulator?
A Cracking
B Back fire
C Flash back
D Pressure testing
Answer: A Cracking
8 What is the purpose of cellulosic electrode in arc welding process?
A Very easy to remove the deposited slag
B Used for high strength steel
C It is used for low carbon steel
D It is suitable for all position
Answer: A Very easy to remove the deposited slag
9 How to extinguish the flame after use in gas welding?
A Shut off oxygen and dip blow pipe in water
B Shut off oxygen and acetylene valve at a time
C Shut off oxygen valve first next acetylene valve
D Shut off acetylene valve first next oxygen valve
Answer: D Shut off acetylene valve first next oxygen valve
10 Why humming sound effects during arc welding?
A Long arc length
B Speedy welding
C Short arc welding
D Normal arc length
Answer: A Long arc length
1 What will cause if the nozzle touches the molten pool?
A Spark
B Smoke
C Back fire
D Flash back
Answer: C Back fire
2 Identify the welding defect shown in figure?
A Under cut
B Cracking
C Lack of fusion
D Incomplete penetration
Answer: A Under cut
3 Which internal defect welding is invisible to naked eye?
A Spatter
B Porosity
C Undercut
D Stray arc
Answer: B Porosity
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