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Rakesh
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Everything posted by Rakesh
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3. Plastic bitumen is generally used for a) Road pavements b) Expansion joints c) Crack fillings d) None of the above
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2. The frog of a brick is normally made on its a) Top face b) Bottom face c) Longer face d) Shorter side
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1.The most powerful explosive used in blasting is a) Blasting powder b) Dynamite c) Gun Cotton d) Cordite
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3.Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as A. Compound beams B. Indeterminate beams C. Determinate beams D. Composite beams.
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2.The point of contraflexure is the point where A. B.M. changes sign B. B.M. is maximum C. B.M. is minimum D. S.F. is zero.
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1.The assumption in the theory of bending of beams, is : A. material is homogeneous B. material is isotropic C. Young's modulus is same in tension as well as in compression D. each layer is independent to expand or to contract E. all the above.
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2.Which among the following is not related to GIS software? a) CAD b) Arc GIS c) Arc View d) STAAD Pro
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1.GIS uses information from which of the following sources: a) Non-spatial information system b) Spatial information system c) Global information system d) Position information system
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2.A syphon is used A. to connect water reservoirs at different levels intervened by a hill B. to supply water to a town from higher level to lower level C. to fill up a tank with water at higher level from a lower level D. none of these.
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1.The time required to close a valve gradually is (where L is the length of pipe and C = velocity of pressure wave) A. 2L/C B. ≤2L/C C. >2L/C D. <4L/C
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1.Coulomb friction is the friction between A. bodies having relative motion B. two dry surfaces C. two lubricated surfaces D. solids and liquids
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What is the value of included angle of a triangular notch for maximum discharge ? A. 30° B. 60° C. 90° D. 120°
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2. What should be observed when a brick is broken? a) Parallel strata b) Homogeneous surface c) Pores d) Brown color
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1. What is the recommended size of a brick? a) 20x10x10cm b) 20x9x9cm c) 19x9x9cm d) 19x8x8cm
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As per IS codes when a brick is soaked in water for 24 hours, it should not absorb more than 15% of its dry weight.
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3. Concrete gains strength due to A. chemical reaction of cement with sand and coarse aggregates B. evaporation of water from concrete C. hydration of cement D. All the above.
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2.Most economical section of a circular channel for maximum discharge: A. depth of water = 0.95 diameter of circular section B. hydraulic mean depth = 0.286 diameter of circular section C. wetted perimeter = 2.6 diameter of circular section D. wetted perimeter = 2.83 depth of water E. all the above.
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1. Bernoulli's equation assumes that: A. fluid is non-viscous B. fluid is homogeneous C. flow is steady D. flow is along the stream line E. all the above.
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1 Water cement ratio is: A. volume of water to that of cement B. weight of water to that of cement C. weight of concrete to that of water D. volume of concrete to that of water E. both (a) and (b) of the above.
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2. Slump test of concrete is a measure of its: A.consistency B.compressive strength C.tensile strength D.impact value.
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infinity
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A badly mixed cement concrete results in: A. segregation B. bleeding C. honey combing D. none to these.
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Wrought iron contains carbon up to : A.0.25% B.1.0% C.1.5% D.2%.
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The value of the Bulk Modulus of an ideal fluid is: a) zero b) unity c) infinity d) less than that of a real fluid
