67- Soil transported by gravitational force
(A) talus
(B) lacustrine
(C) alluvial
(D) muck
68- The river reach upstream of a newly built dam may behave as
(A) aggrading
(B) degrading
(C) virgin
(D) none of the above
69- Frequency of irrigation is dependent upon the type of
(A) soil and crop
(B) soil and climate
(C) soil, crop and climate
(D) soil, crop, climate and fertilizer
70- For the maximum span, which type of bridge is recommended?
(A) steel arch bridge
(B) steel truss bridge
(C) steel rolled beam bridge
(D) steel cable suspension bridge
71- For temporary bridges which of the following is the bridges constructed without intermediate supports?
(A) Crates
(B) Trusses
(C) Cribs
(D) Trestles
72- A dam reservoir catering to flood control, irrigation and water supply, although basically designed for irrigation alone, is a
(A) multipurpose reservoir
(B) single purpose reservoir
(C) distribution reservoir
(D) none of the above
73- The beam resting on purlin are known as
(A) spandrel beam
(B) rafters
(C) trimmers
(D) stringers
74- The soils which plot above the “A” line in the plasticity chart are
(A) clay
(B) silt
(C) sand
(D) organic soils
75- Durability of concrete is proportional to
(A) sand content
(B) water-cement ratio
(C) cement aggregate ratio
(D) aggregate water ratio
76- The expansion in Portland cement can be tested by
(A) fineness test
(B) soundness test
(C) setting time test
(D) normal consistency test
77- The bulking of sand occurs due to
(A) air in voids
(B) moisture in voids
(C) surface tension
(D) capillarity action
ANSWERS:
67-(A), 68-(A), 69-(C), 70-(D), 71-(B), 72-(B), 73-(B), 74-(A), 75-(C), 76-(B), 77-(C)