56- In stone masonry, some stones at regular intervals are placed right across the wall, such stones are known as _______.
(A) through stone
(B) corbel
(C) Quoins
(D) spalls
57- Direct method of levelling is also known as
(A) barometric levelling
(B) hypsometric levelling
(C) hydrographic levelling
(D) spirit levelling
58- Jhama bricks are
(A) well burnt having smooth and even surface
(B) over burnt with regular shape
(C) under burnt and can be easily broken
(D) slightly over burnt having rough surface
59- The best Coagulant for removing the color of water is
(A) iron sulphate
(B) lime
(C) alum
(D) copper sulphate
60- The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known as
(A) Dissolved Oxygen (D.O.)
(B) Biochemical Oxygen Demand (B.O.D)
(C) Chemical Oxygen Demand (C.O.D)
(D) None of the above
61- A hill is as obstacle to
(A) chaining but not ranging
(B) ranging but not chaining
(C) both ranging and chaining
(D) neither ranging nor chaining
62- The water stored in the reservoir below the minimum pool level is called as
(A) Useful storage
(B) Dead storage
(C) Conservation storage
(D) Flood mitigation storage
63- With the fall of temperature the sensitivity of a bubble tube
(A) decreases
(B) increases
(C) remains unaffected
(D) can’t say
64- The soil which plot above the A line in the plasticity chart are
(A) clays
(B) silts
(C) sands
(D) organic soils
65- The end supports of a bridge superstructure are known as
(A) wing walls
(B) piers
(C) abutment
(D) bed docks
66- The bridge which does not allow the high flood water to pass over it, is known as
(A) high level bridge
(B) through bridges
(C) deck bridges
(D) submersible bridges
ANSWERS:
56-(A), 57-(D), 58-(B), 59-(C), 60-(A), 61-(C), 62-(B), 63-(B), 64-(A), 65-(C), 66-(A)