TRADESMAN - SMITHY - FORGING AND HEAT TREATING - TECHNICAL EDUCATION.pdf (Size: 931.86 KB / Downloads: 0)

1. Smithy shope is the place where metals are :
(A)Selling
(B) Packing
(C ) Cooling
(D) Heating

2. A ferrous metal is one which :
(A)Contains aluminium (C ) Contains iron
(B)Does not contain iron (D) Mixture of copper ami Brass

3. Tongs is a tool for:
(A) Drilling
(B) Cleaning
(C ) Holding
(D) Placing

4. Mild steel belongs to the category of:
(A) Low-carbon steel
(B) Tool steel
(C )High carbon steel
(D) Medium-carbon steel

5. Anvil is used in : 
(A) Foundry
(B) Smithy
(C ) Store
(D) Office

6.Mild steel has got the following metalic structure :
(A) Close packed hexagonal
(B)Face centered cubic structure
(C ) Orthorhombic crystalline
(D) Body centered cubic structure

7.Hammer is a :
(A) Striking tool
(B)Holding tool
(C )Cleaning tool
(D)Painting tool

8.An important product manufactured by the rolling process is :
(A) Rollers
(B)1-section
(C )Discs
(D)Metal cans

9.In smithy metals an?heated up to :
(A) Red hot
(B)White hot
(C )Melting point
(D)Freezing point

10.In malleable iron, the carbon is present in theform.
(A) Flakes
(B)Spikes
(C )Nodular
(D)Cementite

30.Machines which work on forgings by pressure is called__________
(A)Power presses
(B)Power toys
(C )Power fluids
(D)Power lines

31.A punch is used for making_____________in metal part when it is at forging heat
(A)Threads
(B)Grooves
(C )Holes
(D)Corners

32.Machines which work on forgings by blow are called_____________.
(A)Power tillers
(B)Power packs
(C )Power plants
(D)Power hammers

33.Fullers are used for___________.
(A)Necking Down
(B)Flatten
(C )Making Hole
(D)Increasing Thickness

34.Forge chamfer on bolt head by a :
(A)Swaging tool
(B)Grinding tool
(C )Cupping tool
(D)Cutting tool

35.Scarfing is the method of shaping the ends of rods for :
(A)Arc welding
(B)Forge welding
(C )Gas welding
(D)Thermit welding

36.Forging operation__________the structure of metal.
(A)Loosen
(B)Enlarge
(C )Entangle
(D)Refines

37.Upset Forging is the operation of making :
(A)Head of the bolt
(B)Key way on shaft
(C )Thread on bolt
(D)Hole on washer

38.When large quantities of identical forgings are required in mass production :
(A)Hand forging is used
(B)Press forging is used
(C )Die forging is used
(D)Hammer forging is used

39.The temperature of furnace used for heat-treating steel is measured and controlled by an instrument called :
(A)Thermometer
(B)Pyrometer
(C )Hydrometer
(D)Speedometer

40.If steel is galvanized, it is coated with :
(A)Lead
(B)Copper
(C )Tin
(D)Zinc

41.For holding work of rectangular section__________is used.
(A)Flat tong
(B)Ring tong
(C )Stright-lipfluted tong
(D)Rivet tong

42.The peen of a straight peen hammer is____________to its handle.
(A)Inclined
(B)Skew
(C )Parallel
(D)Perpendicular

43.Of the following types of pipes of the same diameter, the one that is least corrosion resistant is:
(A)Brass
(B)Copper
(C )Wrought iron
(D)Steel

44.The most important element which controlls the physical properties of steel is :
(A)Tungsten
(B)Carbon
(C )Silicon
(D)Manganese

45.The peen of a cross peen hammer is__________to its handle.
(A)Inclined
(B)Skew
(C )Parallel
(D)Perpendicular

46.Large amounts of Silicon when added to steel will increase the_________properties of the steel.

(A)Refractory
(B)Mechanical
(C )Magnetic
(D)Corrosive

47.The alloy steel used for Hot working having a relatively :
(A)High carboncontent
(B)Low carboncontent
(C ) Low sulphur content
(D) High oxygen content

48.The steel for drop forging is heated to a
(A) Light heat
(B) ' Highly plastic state
(C ) Red hot
(D) Liquid State

49.The hardened parts must beto relieve the hardening strains and to increase the toughness of the parts.
(A) Tempered
(B) Annealed
(C ) Carburized 
(D) Anodized

50.To anneal hard steel, the steel must be heated above its critical temperature and then :
(A) Cooled rapidly
(B) Quenched in oil
(C ) Cooled slowly
(D) Quenched in water

51.The ability to heat metal most rapidly in :
(A)Molten bath
(B)Pit furnace
(C )Smith forge
(D)Electric furnace

52.For nitriding steel components, the following atmosphere is generly used in the furnace :
(A) Ammonia
(B) Nascent nitrogen
(C ) Liquid nitrogen
(D) Inert gas

53.When a piece of high-carbon steel is heated to red hot, then plunged into cold water it will be:
(A)Case-hardened 
(B)Hardened
(C )Tempered
(D)Normalized

54.The steel must be heated upto the__________temperature and quenched for hardening.
(A)Eutectoid
(B)Eutectic
(C )Critical
(D)Melting

55.The operation of removing the burr of the drop forged parts is known as :
(A)Trimming
(B)Blanking
(C )Polishing
(D)Piercing

56.It is necessary to temper all parts after hardening :
(A)To increase the hardness
(B)To reduce the hardening strain
(C )To reduce the scale formation
(D)To increase the brittleness

57.When hardening steel by the carburizing process, after the steel has been heated to the correct temperature and for the correct amount of time, furnace is shut off and the steel is :
(A)Retained in the furnace to cool
(B)Removed and quenched in air
(C )Removed and quenched in water
(D)Removed and quenched in oil

58.Proper control of the__________in a heat-treating furnace is necessary to prevent excessive
scaling of parts being hardened.
(A)Atmosphere
(B)Fuel
(C )Draft
(D)Temperature

59.An important scooter part produced by drop forging is :
(A)Piston
(B)Kick-startpedal 
(C )Cylinder
(D)Brake drum

60.The process of softening a metal piece and removal of internal stress is called :
(A)Annealing
(B)Planishing
(C )Burnishing
(D)Sheardizing

61.Connecting rods and Double ended spanners are manufactured in large quantities by ________________process.
(A)Spinning
(B)Forging
(C )Punching
(D)Casting

62.The product which results from annealing white cast iron is called :
(A) Nodular iron 
(B) Spheroidal iron 
(C ) Gray cast iron 
(D) Malleable iron

63.In hot working of metals, the temperature of material is :
(A)Above melting point of the material
(B)100°C
(C )Above recrystallisation temperature
(D)Above room temperature

64.Which test is used to check the evenness of the coating on galvanized wire ?
(A) Hydrochloric acid dip 
(B) Warping test
(C )Reverse bend test
(D)Copper sulphate dip

65.The deformation of material in cold working and hot working is :
(A)Viscous deformation
(B)Plastic deformation
(C )Elastic deformation
(D)Isotropic deformation

66.What mechanical property is desired so that it can be forged ?
(A) Ductility
(B) Elasticity
(C ) Malleability 
(D) Brittleness

67.In which metal forming process the material is shaped by means of intermittent blows on it:
(A)Forging process
(B)Rolling process
(C )Wire drawing process
(D)Extrusion process

68.___________can be used to scribe lines parallel to the edges of the work.
(A)Vernier caliper
(B)Divider
(C )Combination set
(D)1 lermaphrodite caliper

69.Good quality scales for use in smithy shop measurements are usually made of:
(A) Wood 
(B) Brass
(C ) Plastic
(D) Glass

70.In cold working of metals, the temperature of material is :
(A)Room temperature
(B)Above room temperature
(C )Below recrystallisation temperature
(D)Below room temperature

71.In an open hearth, the work makes _____________contact with fuel.
(A) Direct 
(B) Indirect
(C ) No
(D) Partly

72.The best fuel is for blacksmith's hearths is Charcoal, because it contains no :
(A)Carbon
(B)Phosphorus
(C )Sulphur
(D)Potassium

73.In a heating furnace the work piece does not come into direct contact with the :
(A)Air
(B)Fuel
(C )Heat
(D)Water

74.The blower is an attachment to the hearth for supplying ;
(A)Fuel
(B)Fire brick
(C )Work piece
(D)Air

75.With excessive heating the forgings suffer from :
(A)Swelling
(B)Carburation
(C )Oxidation
(D)Shrinkage

76.If the forging operation is finished at a 
(A) Time saving
(B)Colour change
(C ) Better surface finish
(D)Cold hardening and cracks

77.The two faces of a sledge hammer are :
(A)Different
(B)Identical
(C )Pointed
(D) Grooved

78.The body of the anvil is made of :
(A)Cast iron
(B)Brass
(C ) Mild steel
(D) Tool steel

79.The hand hammers are made of:
(A)Mild steel
(B)High carbon steel
(C )Cast iron
(D)Cast steel

80.Scarf weld is belongs to :
(A) Resistance welding
(B)Arc welding
(C ) Gas welding
(D)Forge welding

81.The Tayyambalam Beach' is in :
(A) Ernakulam 
(B) Kannur
(C ) Kozhikode 
(D) Kasargod

82. The geographical area that lies between Northern Mountain Ranges and Peninsular Plateau is:
(A)Indo-Gangetic Plain
(B)Western Ghat
(C )Konkan Coast
(D)Wynad

83.'The National Museum' is situated in:
(A) Delhi
(B) Bangalore
(C )Hyderabad
(D) Vishakapattanam

84.'Mangalyan', the satellite intended to study about Mars is launched by :
(A)PSLV-125
(B)PCLV-D-10
(C )ISRO-18
(D)PSLV-C-25

85.The renowned world leader who popularly known 'Madiba' :
(A) Martin Luther King
(B) Gandhiji
(C ) Nelson Mandela
(D) Barrack Obama

86.The World Chess Champion of 2013 Magnus Karlson is from :
(A)Poland
(B)Russia
(C )U.S.A.
(D)Norway

87.The port which is known 'Queen of Arabian sea' :
(A)Kochi
(B)Mumbai
(C )Chennai
(D)Azhikkal

88.The progressive movement of V. T. Bhattatirippad to uplift the Brahmins of Kerala :
(A) Namboodiri Sabha
(B) Yogakshema Sabha
(C )NISS
(D)Marar Sabha

89.The Indian writer who won the honour 'Companion of the Indian Empire' by the British :
(A) Ravindranath Tagore
(B) Muhammed Iqbal
(C )Bankim Chandra Chatterji
(D)Amarthya Sen

90.'Bharathapuzha' originates from :
(A)Vadasserimala 
(B)Kudiyanmala 
(C )Karadimala
(D)Anamala

91.The pride of Indian Navy 'INS Sindhu Rashak' drowned 2013 August in :
(A)Vishakapattnam
(B)Mumbai
(C )Karachi
(D)Kolkatta

92.The Bengali writer assassinated by Talibanists in Afghanistan is :
(A)Sushmitha Banerji
(B)Devayani Vora
(C )Deepak Sandhu
(D)J. P. Sen

93.The Great Karnatik musician 'Dhakshinamoorthy' was bom in :
(A)Chennai
(B)Trissur
(C )Kannur
(D)Alapuzha

94.The 'Atma Vidya Sangham' is a social - reform movement founded by :
(A)Brahmananda Sivayogi
(B)Kumara Guru
(C )Vagbhatananda
(D)Annie Beasant

95.The South-West monsoon starts from the month of:
(A)October
(B)June
(C )March
(D)December

96.Gandhi's first experiment of Satyagraha in India was in :
(A)Sabarmathi
(B)Dandi
(C )Chambaran
(D)Bombay

97.The 'Panmana Ashramam' is connected with :
(A)Sree Narayana Guru
(B)Kumaranasan
(C )Sister Alphon Samma
(D)Chattambi Swamikal

98.The political party formed by Dr. Ambedkar is_________.
(A) Independent Labour Party
(B) Indian Backward Party
(C )Forward Block
(D)Swarajist Party

99.The Malayali Physical Trainer who awarded 'Dronacharya' in 2013 :
(A)P.T. Usha
(B)Dr. Sebastian Paul
(C )K.P. Thomas
(D)Tinu Yohannan

100.The first public sector bank introduced 'credit card' in India :
(A) State Bank of India
(B) Central Bank of India
(C )HDFC
(D)Federal Bank