41. The member which is placed horizontally to support common rafter of a sloping roof, is
						
					42. Safe bearing capacity of black cotton soil varies from
						
					43. The type of footing which is used to transmit heavy loads through steel columns is
						
					44. The stone blocks approximately triangular in shape, used as steps, are known
						
					45. An arch constructed with finely dressed stones, is known
						
					46. In jack arch floor, the rise is kept
						
					47. The raft slab is projected beyond the outer walls of the structure by
						
					48. The triangular portion between any two adjacent arches and the tangent to their crowns, is
						
					49. Suitable spacing of timber piles, is
						
					50. Which one of the following activities is not correct as applicable to brick corbels
						
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