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Civil Engineering Objective Questions { Estimating And Costing }



57.  The slope of the oultet of 'P trap' below the horizontal is kept
A. 8?
B. 10?
C. 12?
D. 14?.

58. Anti-siphonage pipe is connected to
A. Main soil pipe
B. Bottom of P trap W.C.
C. Top of P trap W.C.
D. Side of water closet.

59.  The value of 'C' of Indian type W.C. shown in Fig. 23.3 is
A. 400 mm
B. 450 mm
C. 500 mm
D. 550 mm.

60. The value of 'A' of Indian type W.C. shown in Fig. 23.3 is :
A. 25 cm
B. 30 cm
C. 40 cm
D.( d) 45 cm.

61. The value of`B' of Indian type W.C. shown in Fig. 23.3 is :
A. 45 cm
B. 50 cm
C. 30 cm
D. 25 cm.

62. The height of the sink of wash basin above floor level is kept
A. 60 cm
B. 70 cm
C. 75 cm to 80 cm
D. 80 cm.

63.  The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended
A. 100 mm
B. 150 mm
C. 200 mm
D. 175 mm.

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