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1652016-kerala-psc Related Question Answers
26. The lower the water cement ratio:
The lower the strength and workability The greater the strength and workability The lessor the strength and workability The greater the strength and lesser the workability
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29. A waste from the manufacture of pig iron is usedfor which cement?
High alumina cement Sulphate resisting cementSulphate resisting cement Blast furnace slag cement Acid resisting cement
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31. The process by which timber is cut and sawn into suitable sections is known as:
Conversion Seasoning Preservation None of these
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32. A stiff and extra stiff concrete mix is indicated by :
10 mm to 30 mm slump value No slump 40 mm to 150 mm slump value Slump value Over 150 mm
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33. The number of risers and treads required for a doglegged stair, if the height upto'the top of the roof slab is 300 cm and rise = 15 cm :
20 Risersand 19 Treads 19 Risers and 20 Treads 20 Risersand 20 Treads 19 Risers and 19 Treads
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34. Rind Galls are :
The roots of small branches of tree The splits occurring in the centre of the tree Swelling caused by the growth of layers over the wound Curved splits which separate the annual rings
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35. The range of camber of cement concrete road surface in the heavy rainfall area to light rainfall area is:
1 in 50 to1 in 60 1 in 33 to 1 in 40 1 in 25 to1 in 33 1 in l0 to 1 in 25
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36. Width of roadway at plain and rolling terrain for National and State highways is :
7.5 m 9 m 12 m 4.75 m
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37. PIEV Theory is related to :
Stopping distance Reaction Time of the driver Sighting distance Perception Time
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38. By Impact test, we can evaluate :
Particle shape of aggregate Resistance to wear Durability of stone Toughness of stone
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39. The softening point of various Bitumen grades used in paving jobs vary between :
75°C to 150° C 20° C to 35° C 35°C to 75°C 0°C to l0°C
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40. In Spiral curve :
The radius is inversely proportional to the length The rate of change of centrifugal acceleration is uniform throughout its length Is an ideal transition curve All the above
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41. The process of cutting and removing soil, transporting and dumping it as a spoil bank is :
Excavation Embankment Benching Banking
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42. The road intersection where all converging vehicles are' forced to move round a large central area in clockwise direction :
Unchannelizcd intersection Channelized intersection Rotary Island None of these
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43. The map showing the general topography of the area is known as :
Key map Survey map Detailed plan Index map
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44. Right of way is :
The bottom width of excavation for road The top width of embankment for road The area occupied by the vehicle on the road The area of land acquired for the road along its alignment
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45. The area and centroid of a semicircular lamina of diameter D is:
ПD 2/4 and 4D/3/л П2/8 and 4 D/3л ПD2/8 and2D/3л ПD2 and 2D/л
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47. Distance travelled by a car moving at a velocity of 20 m/s if it stops in 4 seconds :
60 m 45 m 40 m 50 m
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48. if two forces 8 KN and 6 KN act at right angles to each other, their resultant force will be
14 KN 10 KN 2 KN 48 KN
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49. Coplanar Concurrent forces are :
Which meet at one point and their lines of actions lie in same plane Which do not meet at one point and their lines of actions lie in the same plane Which meet at one point and lines of actions lie in different planes None of these
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