21. The diagram
showing the point of application and line of action of forces in their plane is
called
(A) Vector diagram (B) space
diagram
(C) force diagram (D) funicular
diagram
Answer: B
22. The
specification of earth work in foundation trenches, drains etc. Lift ordinarly
specified is
(A) 0m (B) 1.50 m
(C) 5 m (D) 3m
Answer: B
23. In analysis of
rates contractors profit is taken at the rate of
(A) 1% (B) 5%
(C) 10% (D) 20%
Answer: C
24. One cubic
metre of cement concrete (1:2:4) is to be mixed by volume .Number of cement
bags required approximately will be
(A) 6 (B) 8
(C) 3 (D) 4
Answer: A
25. The thickness
of plastering to masonry wall is usually
(A) 6 mm (B) 30mm
(C) 22mm (D) 12mm
Answer: D
26. In a detailed
estimate the provision for contingencies is,usually
(A) 1% (B) 3% to 5%
(C) 10% (D) 12% to 50%
Answer: B
27. Original cost
of property minus depreciation is
(A) book value (B) salvage
value
(C) capital value (D) obsolence
value
Answer: A
28. While
submitting a tender the contractor is required to deposit some amount with the
department, as guarantee of the tender known as
(A) bank guarantee (B) caution
money
(C) security deposit (D) earnest
money
Answer: D
29. For a
comfortable ascent of stairway the number of steps in a flight should be
restricted to a maximum of
(A) 10 (B) 12
(C) 16 (D) 20
Answer: B
30. Construction
of temporary structure to support an unsafe structure is known as
(A) Shoring (B) underpinning
(C) scaffolding (D) Propping
Answer: A
31. Which of the
following is not an excavating equipment
(A) Power shovel (B) Scrapper
(C) Drag line (D) Hoe
Answer: B
32. An Ideal flow
of any fluid must fulfil the
(A) Neweton’s Law of Viscosity (B)
Neweton’s Law of Motion
(C) Boundary layer Theory (D)
Continuity Equation
Answer: D
33. A cubical tank
is filled with water. If side of tank is 1m ,pressure on the base of the tank
will be
(A) 10 000 kg (B) 5 000 kg
(C) 1000 kg (D) 4 000 kg
Answer: C
34. The buoyancy
depends upon the
(A) The pressure with which the liquid is displaced
(B) weight of the liquid displaced
(C) viscosity of the liquid
(D) compressibility of the liquid
Answer: B
35. Block of wood
2m long, 2m wide and 1m deep is floating horizontally in water. If density of
wood is 800 kg/m3, then the volume of water displaced will be
(A) 3.2 cum (B) 2.6 cum
(C) 2 cum (D) 6 cum
Answer: A
36. The flow in a
pipe or channel is said to be uniform when
(A) The liquid particles at all sections have the same velocities
(B) The liquid particles at different sections have different velocities
(C) the quantity of liquid flowing per second is constant
(D) each liquid particles has a definite path
Answer: A
37. Flow in a pipe
is laminar if the Reynold’s number is
(A) equal to 10 000 (B)
Between 4000 and 6000
(C) between 2000 and 4000 (D) less
than 2000
Answer: D
38. Two pipe
systems in series are said to be equivalent when
(A) the average diameter in both systems is same
(B) the average friction factor in both the system is same
(C) the total length of the pipes is the same in both the systems
(D) the discharge under the same head is same in both the systems
Answer: D
39. In open
channel water flows under
(A) force of gravity (B)
atmospheric pressure
(C) hydrostatic pressure (D)
mechanical pressure
Answer: A
40. Weir may be
used to measure
(A) velocity of flow (B)
pressure
(C) discharge in a river or channel (D)
kinetic energy
Answer: C
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