Semester 1: Module 1 -Induction Training and Welding Process

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All Type Welder Trades Part -2

NAME *

NAME OF THE ITI *

MOBILE NUMBER *

31 : Which material is used to check the leakage of acetylene regulator connections? *

2 points

A : Salt water

B : Plain water

C : Soap water

D : Chemical water

32 : What action to be taken if a person in still contact with electric supply? *

2 points

A : Break the contact by hand

B : Break the contact by dry wood

C : Break the contact by using iron rod

D : Break the contact by pushing with leg

33 : What is done to avoid injury to fingers after hack sawing or chiselling a metal piece? *

2 points

A : Filing

B : Cleaning

C : Grinding

D : De buring

34 : Which is the method to control back fire while welding? *

2 points

A : Close oxygen control valve

B : Close acetylene control valve

C : First close the oxygen cylinder valve

D : First close the acetylene cylinder valve

35 : Which hand tool is used to remove excessive adhering slag after gas cutting? *

2 points

A : Chisel

B : Flat file

C : Chipping hammer

D : Cross cut hammer

36 : What precaution you will follow in gas welding to avoid fire accidents? *

2 points

A : Alert to go away

B : Keep fire extinguishers

C : Keep sand buckets near

D : Keep away the inflammable materials

37 : Which injury is to be covered immediately by clean cloth on affected portion of the body? *

2 points

A : Cut injury

B : Burn injury

C : Crush injury

D : Broken injury

38 : Why should a welder clothes be free of oilor grease while welding? *

2 points

A : To protect the job

B : To reflect the arc rays

C : To avoid catching of fire

D : To protect the welding machineon

39 : Which is the treatment given to a person affected by accident on the spot? *

2 points

A : First aid

B : Second aid

C : First treatment

D : Second treatment

40 : Which type of welding is done by a small hand weld gun with a non-consumable electrode? *

2 points

A : SMAW

B : GMAW

C : GTAW

D : Induction welding

41 : How a defective cutting nozzle is cleaned and rectified in gas cutting torch? *

4 points

A : Wire brush

B : Safety pins

C : Silicon spray

D : Nozzle cleaner + Emery paper

42 : What is the thickness of the plate that can be cut by using 0.8 mm cutting nozzle? *

4 points

A : Upto 6 mm

B : Upto 19 mm

C : Upto 100 mm

D : Upto 150 mm

43 : Which gas flame combination is preferable for under water gas cutting of steel? *

2 points

A : Oxy coal gas

B : Oxy acetylene gas

C : Air acetylene gas

D : Oxy liquid petroleum gas

44 : What is the special method for safe storage of acetylene gas in cylinder? *

2 points

A : Stored in gaseous form

B : Stored in the solid form

C : Stored in semi-liquid form

D : Stored as dissolved gas in liquid acetone

45 : What is the method to produce a straight bevelled cut? *

2 points

A : Cutting on the marked line

B : Bending the torch at inclined angle

C : Supporting the nozzle head on the plate

D : Using two straight bars clamped as a guide

46 : What are the impurities contained ingenerated acetylene gas? *

2 points

Option A : Oxygen, hydrogen and carbon

B : Carbon monoxide unburnt ash

C : Hydrogen, dust particles, ash

D : Hydrogen, lime dust, ammonia and watervapour1

47 : Which material is stored at the bottom compartment of acetylene gas purifier? *

2 points

A : Filter wool

B : Baffle plate

C : Pumice stone

D : Purifying Chemicals

48 : Which is a resistance welding method? *

2 points

A : Spot welding

B : Forge welding

C : Thermit welding

D : Explosive welding

49 : Which safety device is used to protect face from ultra-violet rays while welding? *

2 points

A : Tong

B : Try square

C : Hand shield

D : Chipping hammer

50 : Which safety device is to be used to protect eyes while grinding? *

2 points

A : Hand screen

B : Sun glasses

C : Welding goggles

D : White goggles

51 : Which safety device is used to protect the body from hot spatters while welding? *

2 points

A : Helmet

B : Leg guards

C : Hand sleeves

D : Leather apron

52 : What is the purpose of providing root gap? *

2 points

A : To avoid cracking

B : To avoid porosity

C : To avoid distortion

D : To increase depth of penetration

53 : What is the fusion zone? *

2 points

A : Fused depth

B : Lack of fusion

C : Edge of the joint

D : Surface of the joint

54 : Which tool is to be used to remove slag on welded bead? *

2 points

A : Chisel

B : Try square

C : Chipping hammer

D : Ball pane hammer

55 : What is the use of oxidising flame? *

2 points

A : Suitable for cast iron welding

B : Suitable for brass welding

C : Suitable for mild steel welding

D : Suitable for stellite, pipe welding

56 : What is the name of part ‘x’ shown? *

2 points

A : Frame

B : Handle

C : Fixed frame

D : Frame length adjustmen

57 : What are the main causes of accidents while using a hammer? *

2 points

A : Poorly fitted or broken handle

B : Using hammer with care

C : Full skill in operation

D : Proper methods of handling

58 : What are the solutions for the safety in the gas welding *

2 points

A : Not learning safety instructions

B : Not Checking on hose and gauge for damage

C : No checking of the cylinder

D : Work area free from flammable material

59 : What is the treatment to a person having eye irritation caused by arc flashes? *

2 points

A : Use ear drops

B : Use eye drops

C : Use nose drops

D : Use water drops

60 : Which safety device is fitted to avoid explosion of acetylene generator due to high pressure? *

2 points

A : Cylinder valve

B : Acetylene generator outlet pipe

C : Hydraulic back pressure valve

D : Baffle plate

61 : Which type of fault in gas cutting process produce this cutting edges? *

2 points

A : Extremely low cutting speed

B : Nozzle tip too high off the plate

C : Nozzle tip too close to the plate

D : Nozzle provided with too much oxygen

62 : What is the effect of ultra violet and infrared rays if a welder exposed to that rays? *

2 points

A : Effect to body

B : Effect to eyes

C : Effect to face

D : Effect to skin

63 : What is the reason for forming of irregular draglines in gas cutting process? *

2 points

A : Low oxygen pressure

B : Excess acetylene pressure

C : Excess oxygen pressure

D : Low acetylene pressure

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