TRADESMAN - MOULDING AND FOUNDRY - TECHNICAL EDUCATION - TVPM PTA KTM AND TSR.pdf (Size: 1.29 MB / Downloads: 0)

169/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1. Which material is not commonly used as a pattern material?
(A) Metal
(B)Rubber
(C ) Plastic
(D)Wood

2.The pattern material used in investment casting is :
(A) Plastics
(B)White metal
(C ) Plaster
(D)Wax

3.Which of the following is a negative allowance?
(A) Shaking allowance
(B)Draft allowance
(C ) Shrinkage allowance
(D)Machining allowance

4.Which pattern material requires maximum shrinkageallowance?
(A) Grey cast iron
(B)Copper
(C ) Lead
(D)Aluminium

5.Name the middle moulding box :
(A) Cheek
(B)Cope
(C ) Drag
(D)Core

6.How’ do you provide a projection or overhangingpart in a pattern?
(A) as a loose piece pattern
(B)making as skeleton pattern
(C ) by sweeping the pattern
(D)making us segments

7.The surface to be left unmachined is marked onthe pattern by:
(A) red colour
(B)yellow7 colour
(C ) blue colour
(D)black colour

8.Cavities and holes can be made in casting by using :
(A) chaplets
(B)core
(C ) sprue pin
(D)runner

9.Which groups are not the sources of foundry sand in India?
(A)Allahabad, Veeryambakkam, Batala 
(B) Hardwar, Avadi, Satara
(C ) Bhavanagar, Damodar area. Barkar 
(D) Raroda Ahammdabad Wayanad

10.The property of sand which permits the steam and other gases to pass through the sand is known as:
(A)Cohesive ness
(B)Adhesiveness
(C )Porosity
(D)Collapsibility

11.A taper provided on the pattern for its easy and clean withdrawal from the mould is known as :
(A)Shrinkage allowance
(B) Draft allowance
(C ) Distortion allowance
(D) Machining allowance

12.The draft or taper allowance on casting is generally :
(A)l0to 15mm/m
(B)5 to 10 mm/m
(C )3 to 5 mm/m
(D)1 to 2 mm/m

13.A sand employed on the faces of the patterns before moulding is called :
(A)Facing sand
(B)Core sand
(C )Parting sand
(D)Backing sand

14.What kind of grain size is preferable for large casting size?
(A)Course
(B)Fine
(C )Medium
(D)Finest

15.The process of adding water in proper proportion in moulding sand is known as :
(A)conditioning
(B)tempering
(C )mixing
(D)seasoning

Metal patterns are used for :
(A)complicating casting
(B)large casting
(C )large scale production of castings
(D)small castings

17.According to the AFS standard, the number of standard set of sieves are :
(A)10
(B) 13
(C ) 11
(D) 12


18.Permeability measure with a specimen made of moist moulding sand is known as
(A)green permeability
(B)dry permeability
(C )baked permeability
(D)basic permeability

19.The mould prepared from the natural moulding sand is :
(A)dry sand mould
(B)loam mould
(C )shell mould
(D)green sand mould

20.Which moulding method is best suit for extremely large castings?
(A) machine moulding 
(B) pit moulding 
(C ) floor moulding
(D) bench moulding

21.What is the purpose of vent holes?
(A)to add water
(B)to pour molten metal
(C )to rise the molten metal
(D) to escape gases from the molten metal


22.What is the use of a runner?
(A) pouring the molten metal
(C )distribute the molten metal
(B) cool the molten metal
(D) escape the gases

23.The main function of a riser is to :
(A) act as a reservoir
(C ) to direct the molten metal
(B) act as a cooler
(D) to remove excess metal

24.Skim bob is a provision to
(A)store metal to supply excess metal while contraction
(B)direct the flow of metal
(C )trap impurities
(D)divert the flow

25.Which gating system is most advantageous to prevent splashing?
(A) top gate
(B) bottom gate
(C ) branch gate
(D) parting gate

26.The purpose of a gating system is :
(A)Deliver the molten metal into the molten cavity
(B)Set as reservoir for the molten metal
(C )Direct pouring metal from the pouring base
(D)Feed the molten metal to compensate shrinkage

27.Core is used to:
(A) provide external projections 
(B) form internal cavities 
(C ) remove foreign particles
(D) to support the pattern

28.Green sand is a mixture of:
(A)70% sand and 30% clay
(C )90% sand and 10% clay
(B)30% sand and 70% clay
(D)60% sand and 40% clay

29.The element which prevent the vertical core shifting is known as :
(A)chills
(B)sprue pin
(C )chaplets
(D)vent rod

30.The core used for making holes below or above of the parting line is :
(A)cover core
(B)vertical core
(C )drop core
(D)none

31.The element which provides reinforcement of the mould is known as
(A)Bars
(B)Vent rod
(C )Soldiers
(D)Gaggers

32.What will happen if the sand is over rammed?
(A)mould will fall apart
(B)weight of the mould will increase
(C )removal of pattern will be difficult
(D)gases from the moltenmetalwillnotable to leave

33.What kind of moulding muchine is used when the size of the mould is too large to be turned over by hand?
(A) Jolt squeeze machine
(B) Jolt squeeze roll over machine
(C ) Jolt squeeze strip
(D) Jolt machine

34. Which one os not the part of the gating system'
(A)Core
(B)Choke
(C )Runner
(D)Riser

35.Chills areused for:
(A)Improving the finish
(B)Directional solidification
(C )Collapsibility
(D)Permeability

36.Name the tool used for repairing and finishing the mould surface after removing
(A)Lifter
(B)Swab
(C )daggers
(D)Slick

37.The sand used for making core is :
(A)dry sand
(B)green sand
(C )loam sand
(D)oil sand

38. Which statement is not required for a good gating system?
(A)metal should flow with minimum turbulence
(B)the metal must be rapidly poured into the mould cavity before it solidify
(C )metal should reserved and supply when it solidifies
(D)loose sand, slag or oxides should be prevented from entering the mould cavity

39. Which one is not a foundry hand tool?
(A) snips
(B) swab  
(C ) trowels 
(D) rammer

40. In order to produce uniform packing of sand in the mould :
(A)a squeezing machine isused
(B)sand slinger isused
(C )a strippermachine is used
(D)a jolt machineis used

41.If the individual parts of a casting shifts with respect to each other, the defect is known 
(A)flashes
(B)misrun
(C )cold shut
(D)mismatch

42.Which one is not the reason for blow holes?
(A)excessive moisture content in moulding sand
(B)inadequate permeability of moulding sand
(C )high pouring temperature
(D) high gas content in the molten metal

43.What is hot tears?
(A) depression or an internal void in a casting
(B) irregular cavities with a dark oxidised feature surface
(C )small gas holes either at the surface or just below the surface
(D)long vee depression that occurs in the flat surface of flat casings

44.Name the defects occurs only in grey cast iron with insufficient silicon :
(A)hard spot
(B)scars
(C )scab
(D)hot tears

45.Name the casting defect which occurs due to the wearing or warping of moulding box
(A)flashes
(B)misrun
(C )drop
(D)cut

46.The major consideration for the casting design is :
(A)the materialto be melted
(B)the shape should allow directional solidification
(C )the selectionof pattern material
(D)the permeability of moulding sand

47.Which material is good for casting?
(A) aluminium
(B)steel
(C ) magnesium
(D)grey iron

48.Die casting is suitable for :
(A) Grey cast iron
(B)Zinc
(C ) Steel
(D)Bronze

49. Name the product which is not manufactured by die casting :
(A) toys.
(B) instrument panel
(C ) machine bed
(D) bathroom fixtures

50. Which one is not the limitation of die casting?
(A)economical only for mass production
(B)only small parts can be made
(C )reduce mechanical property of the cast material
(D)only ferrous metal can cast

51. Advantage of sand moulding :
(A)it can cast ferrous and non ferrous metals
(B)it can reuse again and again
(C )it can maintain good tolerance
(D)it will give smooth surface finish

52.Name the method of casting in which the molten metalfed by gravity into the mould
(A)slush casting
(B)permanent mould casting
(C )die casting
(D)centrifugal casting

53.A castingdefect which results in general enlargement of casting is known as :
(A)blow hole
(B)shift
(C )sand wash
(D)swell

54.Cast iron and steel pipes are produced by :
(A)true centrifugal casting
(B)investment casting
(C )die casting
(D)slush casting

55.A slurry coated pattern is used in :
(A)semi centrifugal casting
(B)die casting
(C )investment casting
(D)continuous casting

56.In which casting method the core is avoided to make hollow?
(A)hot chamber die casting
(B)permanent mould casting
(C )slush casting
(D)cold chamber die casting

57.What is tthe difference between the cold chambers over the hot chamber die casting?
(A)separate melting unit
(B)casting without melting
(C )plunger used
(D)permanent mould is used

58.In centrifugal casting method :
(A)core is made of sand
(B)core is made of ferrous metal
(C )core is made of nonferrous metal
(D)no core is used

59.Ornaments and toys of nonferrous metal alloysare made by:
(A)die casting
(B)slush casting
(C )centrifugal casting
(D)continuous casting

60. Thermosetting resin bond sand is used in : 
(A) investment casting 
(B) shell moulding 
(C ) continuous casting 
(D) centrifuging

61. Which casting method is not the function of centrifugal action?
(A) Semi centrifugal casting
(B)Centrifuge casting
(C ) Continuous casting
(D)True centrifugal casting

62.Tumbling is the process for :
(A)cleaning light casting 
(B)moulding with sand 
(C )making pattern with wood
(D) pouring the molten metal into the mould

63.Which one is not a surface cleaning method of casting?
(A) shot blasting
(B)hydro blasting
(C ) tumbling
(D)tempering

64.Internal casting defects are tested by :
(A) pressure testing
(B)radio graphical testing
(C ) visual inspection
(D)dimensional inspection

65.Developer is used in :
(A) liquid penetrant test
(B)ultrasonic testing
(C ) magnetic particle testing
(D)eddy current inspection

66.Name the metal that cannot cast:
(A) iron
(B)aluminium
(C ) tungsten
(D)magnesium

67.Name the place where melting the metal for casting :
(A) oven
(B)furnace
(C ) chamber
(D)hearth

68.Ladles are used for r
(A) cleaning the casting
(B)making the pattern
(C ) pouring the molten metal
(D)finishing the mould

69. Which statement is correct regarding investment casting? 
(A) intricate details cannot cast 
(B) unmachinable alloys cannot cast
(C )more than one casting cannot cast at a time
(D)limitation in use of core and location of holes

70.What is shake out operation? 
(A) freeing the casting from the mould
(B)removing the core from the mould
(C ) removal of gates from mould
(D)removal of riser from mould

71.Which furnace is not used for casting? 
(A) cupola furnace
(B)blast furnace
(C ) crucible furnace
(D)electric arc furnace

72.Which one is not a factor for selecting the furnace?
(A) capacity of molten metal
(B)method of pouring
(C ) economics of melting
(D)shape of mould

73.Riddle is used for :
(A)moistening the sand around the edge before removing pattern
(B)repairing and finishing the mould
(C )cleaning the moulding sand
(D)reinforcement of sand in the top part of moulding box

74. The property of sand due to which the sand particles stick together is called :
(A) adhesiveness
(B)cohesiveness
(C ) collapsibility
(D)permeability

75.In a three piece pattern the top box named as :
(A) drag
(B)cheek
(C ) cope
(D)none of the above

79.Which one is an inorganic binder?
(A) fire clay
(B)wood floor
(C ) resins
(D)plastics

77.Which casting method causes poor surface finish?
(A) investment casting
(B)die casting
(C ) centrifugal casting
(D)sand casting

78.Which casting method requires more finishing cost?
(A) sand casting
(B)investment casting
(C ) die casting
(D)permanent mould casting

79.Separate small dies having usually one or morecavities with common master holding known as:
(A) combination dies
(B)multiple cavity dies
(C ) unit dies
(D)single cavity dies

80.Non filling of die cavities in die casting id due to:
(A) shortage of metal quantity
(B)cooling of the die or the metal
(C ) less period of the metal shot
(D)all of the above

81.The first General Election in Free India :
(A) 1948
(B)1956
(C ) 1947
(D)1952

82.The Indian who attended all the three Round Table Conferences :
(A) Jawaharlal Nehru
(B)Dr.B.R. Ambedkar
(C ) Mahatma Gandhi
(D)Rajendra Prasad

83.Which region in India is known as the ‘Rice Bowl’ of India?
(A) Indo-Gangetic plain
(B)Krishna-Godavari delta region
(C ) North-east region
(D)Kerala and Tamilnadu

84.The Himalayas extend uptoin the east.
(A) Tripura
(B)Arunachal Pradesh
(C ) Assam
(D)Meghalaya

85.Chairman of DRDA is:
(A) District Panchayat President
(B)District Collector
(C ) Block Development Officer
(D)District Planning Officer

86.The longest river in Kerala is :
(A) Periyar
(B)Bharathapuzha
(C ) Chandragiripuzha
(D)Pamba

87.Ginger research centre at:
(A) Kasargod
(B)Muttupetti
(C ) Ambalavayal
(D)Neendakara

88.Our 12lh Five Year Plan was started in the year :•
(A) 2011
(B)2012
(C ) 2010
(D)2013

89.Who among the following was not a moderate?
(A) Bala Gangadhar Tilak
(B)Dadabhai Naoroji
(C ) W.C. Banarjee
(D)C. Sankaran Nair

90.Who was the Governor General when the Indian National Congress was formed?
(A) Lord Ripon
(B)Lord Chelmsford
(C ) Lord Curzon
(D)None of these

91.Which was the last country to become member of the United Nations in 2011?
(A) South Sudan
(B)South Korea
(C ) Spain
(D)Canada

92.Which woman cricket team won the women’s world twenty 20 cup 2014?
(A) Sri Lanka
(B)India
(C ) Pakistan
(D)Australia

93.Name the Malayalee who wrote “An Indian Freedom Fighter in Japan” :
(A) Sasi Tarur
(B)A M. Nair
(C ) Arundh'athi Roy
(D)M. Mukundhan

94.Which company has become the first corporate in the country to implement Adhar linked salary disbursal for its employees?
(A) Birla group
(B) Confident group
(C ) Trident group
(D) Leela group

95.Which Latin American country released two postage stamps to pay tribute to the 100 years of Indian cinema?
(A) Arjanteena
(B) Chily
(C ) Cuba
(D) Brazil

96.Ayyankali, the leader of renaissance movement in Kerala was born in the year : 
(A) 1863 August 28
(B) 1864 September 10
(C ) 1869 September 17
(D) 1863 June 18

97.Who was the founder of ‘Samantha Samajam’? 
(A) Vakkom Moulavi 
(B) V.T. Bhattathirippad 
(C ) Chattampi Swami 
(D) Vaikunda Swami

98.Jyathikummi is written by :
(A) Sahodaran Ayyappan
(B) Vagbhatananda
(C ) Pandit Karuppan
(D) Changampuzha

99.Brahmanda Swami sivayogi born in :
(A) 1863
(B) 1889
(C ) 1852
(D) 1853

100.Who said, No not a single letter is -seen on my race -so many histories are seen on many race 
(A) Sree Narayana Guru 
(B) Brahmanda Swami
(C ) Poikayil Yohanan 
(D) Kumaranasan