Test Questions CnW

Test Questions CnW

Test Questions Communication and Works Department (CnW) by Hammad Ahmad

1)uniformty of cofficient
2)mass of water in voids to mass of solids
3)for well graded soils a)trend is linear b)gap graded c)contains wide range of particle sizes d)Cu is less than 4
4)test condition when there is no drainage at all stages of triaxial test UU,CU,CD
5)Flat dilatometer is used for a)penetration b)consistancy and relative density c)a n b d)none
6)pile supported at hard strata called
7)test used for expansive soils is??
8)soils which pand in vol on wetting and shrink consideably on drying are called
9)density and water content are calculated insitu by ????
10)20psi water pressure is equal to how much height ??
11)Shear strength od soft soil is find out insitu by which method?
12) if shear plane is above toe then failure is called (slope failure,toe,base)
13)coefficient of active earth pressure is 1-sin@/1+sin@
14)effect of pore water pressure (vol increase frictional resistance decrease,vol increase frictional resistance increase,both decrease,none)
15)odeometer is used for ???
16)minimum steel in column ??
17)minimum temp and shrinkage steel for 60 grade
18)minimum cover for exposed concrete
19)max negative momemt will be at for continueus beam
20)max positive moment for 3 continueous beams will be at
21)section modulous equal to???
22)swere earthquake zone is z1 z3 2A 2B
23)special moment resistance frame for Z1 Z3 2A 2B
24)ratio of height to least linear dimention exceeding 3 callad beam,column,slab,padestral
25)max moment in punching shear will be at d,d/2,d/4
26max shear and moment in cantiliver will be at
27)shear diagram for cantiliver having UDL will be ???
28)curing is used for prevents concrete properties,avoid shrinkage,avaid evaporation ,all
29)slimp test is used for (workbility,soundness,bla bla)
30)D/B=1 then foundation is called ???
31)plate load test is used for (modulous of elasticity,bearing capasity,resistance)
31)ratio of load and settlement is called(modulous of subgrade,consolidation.elasticity)
32)lowest part of flexible pavemnet is???
33)for soil we can peform whivh tests on undisturbed samples (CBR,TRIAXIAL,UNCONFINED Compaction ,all)
34)max superelevation in hilly areas (5,7,10,none)
35)breaking ability of driver depends on (break reaction time,peception time,breaks efficiency and resistance bw tire AND ROAD,ALL)
36)ARRANGEMENT FOR CHANGE OF TRAIN FROM ONE TRACK TO ANOTHER TRACK CALLED???
37)MOST EFFECTIVE SECTION IS SEMICIRCULAR,RIAHGULAR.RACTANGULAR,TRAPAZOIDAL)
38)MAX VELOCITY OF FLUID IN PIPE WILL BE AT??
39)HEAD LOSS IN PIPES CAN BE CALCULATED USING WHICH FORMULA
40)SURGE TANK IS PROVIDED TO AVOID???
41)VAPOUR PRESSURE IS FUNCTION OF???
42)CRITICAL DEPTH OF FLOW IN TERMS OF CRITICAL ENERGY???
43)ARTIFICIAL APPLICATION OF WATER IN LANDS CALLED??
44)BARRAGE IS PROVIDED TO DIVERT WATER TO CANAL,INCREASE SUPPLY LEVEL,SILT CONTROL.ALL
45)DEVICE FOR SILT CONTROL IN CANALS IS SILT EXCLUDER,SILR EXTRACTOR,DIVIDE WALLS
46)MAX UPLIFT PRESSURE WILL BE AT UPSTREM PAKKA FLOOR,D/S PAKKA FLOOR,AT MID
47)WHAT HAPPENS IF PILE LENGTH IS INREASED BELOW APRON
48)HYDROLIC RADIOUS OF CIRCULAR SECTION IS???
49)CANAL BELOW,DRAINAGE UP,,,STRUCTURE IS CALLED??
49)CANAL VS RIVER ROAD,DRAIN RAILWAYY WE PROVIDE(CROSS DRAINAGE WORK,AQUDUCK,SYPHON,SUPER PASSEGE,ALL)
50)RETURN PERIOD OF FLOOD IN PUNJAB(10,100,1000,MFL)
51)UNLINED CANALS OF PUNJAB ARE DESIGNED USING WHICH FORMULA
52)EVAPORATION,TRANSPIRATION,PRESIPITATION INFILTRATION CALLED HYDROLOGICAL CYCLE??
53)METREOLOGICAL FACTORS FOR AIRPORT DESIGN(AIR DENSITYN AIR DIRECTION,ATMOSPHERE PRESSURE,ALL)
54)DUMMY ACTIVITY IS ONE(DOTTED LINE,ARTIFICIAL ACTIVITY,ALL)
55)PERT DEPENDS ON
56)AERATION IS USED TO REMOVE (ODOR,BECTERIA,BLA BLA 😛 )
57)PPM MEANS
58)BOD GIVES US>????
59)WHICH COAGULANT IS USED???
60)WATER SCHEME IS DESIGNED ON (PEAK,AVG,MAX DAILY DEMAND, ALL)
61)HOOKS LAW IS DEFINED AS
62)STRESS IS PROPORYIONAL TO STRAIN WITHIN ELASTIC LIMITS
63)MOST RELIABLE ESTIMATE IS ???
64)CRITCAL PATH METHOD USES (MAX TIME,MIN TIME, MIN COST)
65)WEIGHT IS 60N AND ITS WEIHT IN WATER IZ 20N SO SPECIFIC GRAVITY IS???
66)fRAUDS NUMBER IS FUNCTION OF
67)RATIO OF INERTIA TO VISCOUS FORCES
68)CANTILIVER RETAINING WALLSS K LYA FAILURE CRITERIA.SLIDING OVERTURNING,BASE SHEAR, ALL
69)DAM WHICH DEPENDS ON ITS WEIGHT FOR STABILITY CALLED
70)M.C IS EQUAL TO
71)QUANTITY OF WASTE IN EFFLUENT (80,40,120 MG/LTR)

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