TRADESMAN - PLUMBING - TECHNICAL EDUCATIONPLUMBER - KWA.pdf (Size: 1.01 MB / Downloads: 1)

1.Which valve is provided at intervals in long mains to prevent 

hack pressure on the pump and in raising lines to prevent backtlow of water ?
(A)Gate valve
(B)Mud valve
(C )Reflux valve
(D)Pressure relief valve

2.What distribution system is suitable for towns growing irregularly ?
(A)Dead End System
(B)Grid Iron System
(C )Radial System
(D)Ring System

3.Spun Iron pipes used in water supply shall confirm to IS Number is :
(A)1534
(B)1535
(C )1536
(D)1537

4.What fittings are used in pipelines, that easy to dismantle and repair ?
(A)Elbow
(B)Union
(C )Reducer
(D)Cap

5.What is the disadvantage of GI pipe?
(A)It can be easily jointed after threading.
(B)It is easy to detach joint.
(C )This pipe can be easily affected by acid or alkaline water.
(D)It will not get rusted easily because of galvanisation.

6.Which vice is used for holding round sections of metals, tubes and pipes ?
(A)Pipe vice
(B)Benchvice
(C )Pin vice
(D)1 land vice

7.Soft solders whose melting points are below :
(A)300C
(B)350C 
(C )400C 
(D)450C

8.The try square is used to :
(A)Check the squareness
(B)Check the flatness
(C )Markline at 900 to the edges of work piece
(D)All the above

9.Calipers are classified according to their :
(A)Joints and thickness
(B)Thickness and width
(C )Joints and legs
(D)Leg and width

10.Metals which contain Iron as major content are called :
(A)Non Ferrous Metals
(B)Ferrous Metals
(C )Non Metal .
(D)Alloy

11.Which is used to cut external threads on cylindrical work pieces ?
(A)tap and wrench
(B)pipe wrench
(C )spanner
(D)die and stock

12.Melting point of Bronze is :
(A)1083°C
 (B)1005C 
(C )983°C 
(D)660°C

13.Rolling thin layer of metal on to a base metal is known as :
(A)Browning
(B)Enamelling
(C )Electroplating
(D)Cladding

14.Ordinary Portland cement is available in, How many grades ?
(A)2
(B)3
(C )4
(D)5

15.__________C.I. cover provided for manholes constructed within width of road under vechicular traffic.
(A)Light duty
(B)Medium duty
(C )Heavy duty
(D)None ofthese


16.Minimum size of a bibcock is :
(A)15 mm
(B)20 mm
(C )23 mm
(D)30 mm

17.Which valve is provided at the bottom of suction pipe for holding water in the suction pipe ?
(A)Foot valve
(B)Ball valve
(C )Gate valve
(D)Globe valve

18.Floor trap is also known as :
(A)Gully trap
(B)Running trap 
(C )Nahanitrap
(D)Intercepting trap

19.Commode is known as :
(A)Urinal
(B)E.W.C.
(C )I.W.C.
(D)Sink

20.Advantage of P.V.C. pipe is :
(A)Light weight
(B)Corrosion free
(C )Cost of P.V.C pipe is cheaper than G.L pipe
(D)All the above

21.Which system is also known as combined gravity and pumping system ?
(A) Gravity System
(B) Duel System
(C ) Direct Pumping System
(D) None of these

22.Shovel is designed by its : 
(A) length and weight (C ) length and width
(B) width and weight (D) length

23.How many systems are adopted in plumbing of drainage work in a building ?
(A) 3 (B)4 (C )5 (D) 6

24.What test is applied to check the alignment and condition of the inside of the pipes ?
(A) Smoke test 
(B) Hydrostatic test 
(C ) Pneumatic test 
(D) Mirror test

25.Force Cup is used for___________purpose.
(A)Blockage removing             (B)O.H. tank cleaning
(C )Testing of drain pipe         (D)Testing of soil pipe

26.__________is the best and the most improved type of system of plumbing.
(A)One Pipe System
(B)Two Pipe System
(C )Single Stack System
(D)Partially Ventilated System

27.A water having pH less than 7 is :
(A)Alkaline
(B)Potable
(C )Acidic
(D)Neutral

28.Siphonic action is prevented by :
(A)Vent pipe
(B)Soil pipe
(C )Waste pipe
(D)Rainwater pipe

29.Which tap is used in wash hand basin ?
(A)Bib tap
(B)Self dosing tap
(C )Plug tap
(D)Pillar tap

30.What is the size of holes in European water closet for fixing the floor ?
(A)6.5 mm
(B)7 mm
(C )7.5 mm
(D)8 mm

31.The most commonly adopted pump in water supply is :
(A)Rotary pump
(B)Airlift pump
(C )Centrifugal pump
(D)Booster pump

32.The process which removes colloidal matters in water is :
(A)Screening
(B)Sedimentation
(C )Disinfection
(D)Filtration

33.S.W.H. System stands for :
(A) Soil Waste Harvesting
(B) Soft Water Heating
(C ) Solar Water Heating
(D) Soft Water Harvesting

34.Which is not a surface source of water ?
(A)Streams
(B)Wells
(C )Pond
(D)Lake

35.Automatic flushing cisterns are done by :
(A)E.YV.C.
(B)l.W.C
(C )Urinal
(D)Bidet

36.Which is used for closing the end of a pipe or fitting having a male thread ?

(A)Union
(B)Plug
(C )Socket
(D)Cap

37.Which punch is used for locating drilling holes ?
(A)Centre punch 
(B)Dot punch
(C )Prick punch 
(D)Hollow punch

38.Which file is used to bring the material to accurate size with 

high degree of finish ?
(A)Smooth file
(B)Second cut file
(C )Rasp cut file
(D)Dead smooth file

39.Plain or unthreaded portion of — of the length of the screw is called :
(A)Head
(B)Shank
(C )Pitch
(D)Point

40.Water meter in piping system is used to check up :
(A)quantity
(B)quality
(C )pressure
(D)controlling

41.The pipe receiving discharge from water closet, urinals etc. are called :
(A)Waste pipe
(B)Soil pipe
(C )Rainwater pipe
(D)Ventilation pipe

42.To prevent corrosion Cl pipes are coated with :
(A)Zinc
(B)Chromium
(C )Tin
(D)Bituminous paint

43.While grinding, metal particles are get clogged into the grinding wheel. This process is called : 
(A) Loading
(B) Glazing
(C ) Dressing
(D) Truing


44.The traps are used  to prevent the passage of :
(A)Air
(B) Waste water 
(C ) Oxygen
(D) Sewerages

45.Access of inspection testing and cleaning of drain is provided by
(A)trap
(B) cistern
(C ) inspection chamber
(D) grattings

46.__________helps the pipeline to branch off at 900 
(A)Tee bow
(B) Coupling
(C ) Elbow
(D) Union

47. The length of stoneware pipe is :
(A) 300 mm
(B)400 mm
(C )500 mm
(D) 600 mm

48.How many grades of G.J pipes are available ?
(A) 2
(B)3
(C ) 4
(D) 5

49.Tire aggregates which can not pass IS Sieve - No : 480 has been classified as :
(A) Coarse aggregate
(B) Medium aggregate
(C ) Fine aggregate
(D) None of these

50.__________is used for plastering, brick laying and finishing concrete floors.
(A) Spade
(B) Plumb bob 
(C ) Spirit level 
(D) Trowel

51.Which saw is used for cutting sharp comers ?
(A) Coping saw 
(B) Compass saw 
(C ) Fret saw
(D) Pad saw

52.Brass is an alloy of: 
(A) Copper and tin 
(C ) Copper and lead
(B)Copper and Zinc
(D)Copper and Aluminium

53.Which tap is used to finish the threads of blind holes of correct depth ?
(A) Taper tap
(B) Intermediate tap 
(C ) Bottoming tap 
(D) First tap

54.Function of flux is :
(A)to prevent corrosion
(B)to helps molten solder to flow easily in the required place
(C )promote better joint
(D)all of the above

55.Which tongs are used for holding bars vertically ?
(A)Round tongs
(B)Square mouth tongs
(C )Hollow tongs
(D)Flat tongs

56.Ore of Aluminium is :
(A) Carbonate 
(B) Bauxite
(C ) Lemonite
(D) Magnetite

57.Check valve is also called :
(A)Gate valve
(B)Mud valve
(C )Non-return valve
(D)Needle valve

58.Which threaded pattern is used in standard pipe fittings ?
(A)B.S.P.
(B)B.S.W.
(C )B.S.F.
(D)B.A

59.Pillar tap should withstand an internally applied hydraulic pressure of:
(A)20 kg/sq.cm
(B)25 kg/sq.cm
(C )50 kg/ sq.cm
(D)35 kg/ sq.cm

60.What pipes are mostly used in Water Supply Scheme ?
(A)Steel pipe
(B)lead pipe
(C )Cast iron pipe
(D)Composite pipe

61.What should be used to connect two pipe with same diameter ? 

(A) Reducer
(B) Socket
(C )Eccentric Reducer
(D) Concentric Reducer

62.The most important part of a trap is :
(A)Waterseal 
(B)Diameter
(C )Depthof water 
(D)Height

63.For achieving self cleaning velocity, 150 mm dia pipe should 

have a slope of:
(A)l : 35
(B)1 : 40
(C )1 : 50
(D)1 : 60

64.Lead caulked joints are provided in__________pipe.
(A)G.I, pipe
(B)C.I pipe
(C )R.C.C.pipe
(D)AC pipe

65.Overflow from a tank is controlled by :
(A)Gate valve
(B)Safetyvalve
(C )Ball valve
(D)Mud valve

66.The fittings used to cover the inlet in gully, disconnection and silt trap is :
(A) C.I. grattings
(B)Small C.I. cover
(C ) light duty C.I. cover
(D) Heavy Duty C.I. cover

67.Flush valves are made of:
(A)Cast Iron
(B)Brass
(C )Fiber
(D)Plastic

68.Temporary hardness can be removed by :
(A)Base exchange process
(B)Filtration
(C )Screening
(D)Boiling

69.Which grade cement is used to constructing normal building purpose ?
(A) 23
(B)33
(C ) 43
(D) 53

70.Vicat's needle apparatus is used for :
(A)Mixing
(B)Measuring
(C )Filling of concrete
(D)Consistency

71.An example of Non-ferrous metal is :
(A)Cast Iron
(B)Lead
(C )Wrought Iron
(D)Mild Steel

72. The diameter of the main ventilation pipe should not be less 

than__________mm.
(A)32
(B)40
(C )50
(D)70

75.Benefits of Rain Water harvesting is :
(A)Ground water table raises
(B)Reduce the salinity
(C )To avoid flooding
(D)All the above

74.Which colour hose is used for carry accetylene gas :
(A)Maroon
(B)Black
(C )Green
(D)Blue

75.Which pump is used to increase the pressure in pipe of a distribution system ?
(A)Air lift pump
(B)Submersible pump
(C ) Centrifugal pump
(D) Booster pump

76.Which is commonly called as thumb nut ?
(A) Tee nut
(B) Cap nut
(C ) Knurled nut 
(D) Self locking nut

77.Which chisel is used for squaring materials at the corner ?
(A) Diamond point chisel 
(B)Web chisel
(C ) Flat chisel
(D)Cross cut chisel

78.Head of the soldering Iron is made ot :
(A) Bronze
(B) Brass
(C )Forged Copper
(D) Aluminium

79.P.V.C. stands for :
(A) Premium Vinyl Chloride 
(B)Poly Vinyl Chloride
(C ) Perfect Vinyl Chloride
(D)Pure Vinyl Chloride

80.1.5. Code of water closet is :
(A) LS. 2554
(B) I.S. 2555
(C ) I.S. 2556
(D) I.S. 2557

81.Which Article of the Indian Constitution deals with Grama Sabha ?
(A) 240
(B)243
(C )115
(D)116

82.Which chemical's nickname of "English Sail" is :
(A)Carbon Tetrachloride
(B)Ferrichydrocide.
(C )Magnesium Sulphate
(D)None of the above

83.Koushal Vikas Yojana associated with___________.
(A)Skill Training for unskilled workers
(B)Special Training for unorganised workers
(C )Special Training for SC/ST
(D)Skill Training for Youth

84.Which place is known as "Gift of Pamba" ?
(A)Mandrothurth
(B)Kuttanadu
(C )Aranmula
(D)None of the above

85.Which Indian State firstly conduct survey on Gross National Happiness ?
(A) Tamil Nadu
(B)Madhya Pradesh
(D)Delhi
(C )Assam

86.Who is World Bank President ?
(A) Yong Kim
(B) Ban Ki Moon
(C ) Dufferin
(D) None of the above

87.Where did "Malabar Hills" locate ?
(A) Tripurai
(B) Bombay
(C )New Delhi 
(D) Chennai

88.Who is known as "Moratha Kessri" ?
(A) C.R. Das
(B) Bal Gangadhar Tilak
(C ) Vallabhacharya
(D) Aurobindo Ghosh

88.When did " Malayali Memmorial" occurred ?
(A)1891
(B)1882
(C )1895
(D)1896

90.Who is the author of "The private life of an Indian Prince" ?
(A)R.K. Narayan
(B)Mulkraj Anand
(C )Aurebmdo Ghosh
(D)None of the above

91.First elected President of Indian National Congress :
(A)Nehru
(B)Dr. Radhakrishnan
(C )Subhash Chandra Bose
(D)None of the above

92.The first Indian to win All England Badminton Championship :
(A)Prakash Padukone
(B)P.S. Sandhya
(C )Sania Mirza
(D)Leander Paes

93.Renaissance leader known as 'Vindhyadi Rajan' :
(A)Thycaud Ayva
(B)Poikayil Yohannan
(C )Blessed Kuriakosc Elias Chavara 
(D)Chattampi Swami

94.Which state has the least percentage of forest area ?
(A)Chattisgarh
(B)Bihar
(C )Punjab
(D)Goa

95.The First President of Xair Service Society :
(A)Mannath Padmanabhan
(B)K. Kelappan
(C ) Narayana Paniker
(D)G. Sukumaran Nair

96.The official Report of Germany and China called as :
(A)White Book
(B)Red Book
(C )White Paper
(D)YellowBook

97.Who lead the "Mukkthi Agitation" for the sake of Lower Cast people in Kerala ?


(A)Arattupuzha Velandan
(B)Kumara Guru
(C )Ayya Vaikundar
(D)Vagbhatananda

98.Name the Governor General who is called "The Maker of Modem India" :
(A)William Bentick
(B)Dalhousie
(C )Curzon
(D)Minto

99.The official publication SN'DP started by Sree Naravana Guru :
(A)The Service
(B)Vivekondyam
(C )Prathisha
(D)None of the above

100.Kaziranga National Park in Assam is famous for :
(A)White Tiger
(B)Lion tailed Macaque
(C )Wild Ass
(D)One homed Rhino