21-10-2016, 02:13 PM
1460355506-ConcreteTechnology.docx (Size: 43.75 KB / Downloads: 5)
1. For quality control of Portland cement, the test essentially done is
A.
setting time
B.
soundness
C.
tensile strength
D.
all the above.
Answer: Option D
2. If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,
A.
20% B.
25%
C.
30% D.
35%
E.
40%
Answer: Option B
3. Under normal conditions using an ordinary cement, the period of removal of the form work, is :
A.
7 days for beam soffits
B.
14 days for bottom slabs of spans 4.6 m and more
C.
21 days for bottom beams over 6 m spans
D.
all the above.
Answer: Option D
4. Wp and Wf are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor is 0.95, the workability of concrete is
A.
extremely low
B.
very low
C.
low
D.
high
E.
none of these.
Answer: Option D
5. For given water content, workability decreases if the concrete aggregates contain an excess of
A.
thin particles
B.
flat particles
C.
elongated particles
D.
all the above.
Answer: Option D
Surveying
6. Hydrographic surveys deal with the mapping of
A.
large water bodies
B.
heavenly bodies
C.
mountaineous region
D.
canal system
Answer: Option A
7. If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than
A.
m
B.
1 m
C.
2 m
D.
3 m
Answer: Option D
8. An ideal vertical curve to join two gradients, is
A.
circular
B.
parabolic
C.
elliptical
D.
hyperbolic
Answer: Option B
9. Pick up the correct statement from the following :
A.
the eyepiece plays no part in defining the line of sight
B.
the diaphragm plays no part in defining the line of sight
C.
the optical centre of the objective plays no part in defining the line of sight
D.
none of these.
Answer: Option A
10.The intercept of staff
A.
is maximum if the staff is held truly normal to the line of sight.
B.
is minimum if the staff is held truly normal to the line of sight.
C.
decreases if the staff is tilted away from normal
D.
increases if the staff is tilted towards normal.
Answer: Option B
Railways
11. Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways
A.
1.435 m as adopted in England
B.
1.800 m as per Indian conditions
C.
1.676 m as a compromise gauge
D.
1.000 m as a standard gauge
Answer: Option C
12. If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is
A.
0.065 m
B.
0.055 m
C.
0.045 m
D.
0.035 m
Answer: Option A
13. A CST-9 sleeper consists of
A.
two inverted triangular pots on either side of rail seat
B.
a central plate with a projected key and box on the top of plate
C.
a tie bar and 4 cotters to connect two cast iron plates
D.
all the above.
Answer: Option D
14. Charles Vignoles invented the flat footed rails in
A.
1814 B.
1836
C.
1846 D.
1856
E.
1873
Answer: Option B
15. To design a cross-over between parallel tracks, the required components are :
A.
two switch, points, two acute angle crossings and two check rails
B.
two switch points, two acute angle crossings and four check rails
C.
two switch points, two acute angle crossings and six check rails
D.
none of these.
Answer: Option B
Irrigation
16. Borrow pits should preferably be located in
A.
field on the left side of the canal
B.
field on the right side of the canal
C.
fields on both sides of the canal
D.
central half width of the section of the canal.
Answer: Option D
17. Irrigation canals are generally aligned along
A.
ridge line
B.
contour line
C.
valley line
D.
straight line.
Answer: Option A
18. The length of a meander is the distance along the river between the tangent point of one curve to the tangent point of
A.
reverse curve
B.
next curve of the same order
C.
reverse curve plus the width of the river
D.
none of these.
Answer: Option B
19. If B and d are the bed width and depth of a channel in metres, the combined losses due to evaporation and seepage in cumecs per kilometre length of the channel, is
A.
B.
C.
D.
Answer: Option D
20. Pick up the incorrect statement from the following
A.
Side walls of a venturi head flume are splayed out from the end of the throat at 1 : 10 for a length of 4.5 m
B.
Length of side walls should be such that the width of the flume is made equal to 2/3rd the bed width of the distributary
C.
Once the width of the flume becomes 2/3rd of the width of the distributary, the splayed walls are increased to 1 in 3 to get full bed width
D.
None of these.
Answer: Option D
Construction Management
21. Which one of the following represents an activity
A.
excavation for foundation
B.
curing of concrete
C.
setting of question paper
D.
all the above.
Answer: Option D
22. Pick up the incorrect statement from the following:
A.
An activity of a project is denoted by an arrow on the net work
B.
The tail of the arrow indicates the start of the activity
C.
The head of the arrow indicates the end of the activity
D.
The arrows are drawn to scale from left to right
E.
Each activity consumes a given time.
Answer: Option D
23. The technique for establishing and maintaining priorities among the various jobs of a project, is known
A.
Event flow scheduling technique
B.
Critical ratio scheduling
C.
Slotting technique for scheduling
D.
Short interval scheduling.
Answer: Option B
24. Mile Stone charts were invented in the year of
A.
1910 B.
1920
C.
1930 D.
1940
E.
1950
Answer: Option D
25. Frederick W. Taylor introduced a system of working known as
A.
line organisation
B.
line and staff organisation
C.
functional organisation
D.
effective organisation.
Answer: Option C
SI Units
26. 1 kg wt in gravitational unit equals
A.
8.9 N in SI system
B.
9.8 N in SI system
C.
4.5 N in SI system
D.
5.4 N in SI system.
Answer: Option B
27. To convert the units of M.K.S. to units of S.I., a factor 9.80665 is used for
A.
mass
B.
force
C.
work energy
D.
all the above.
Answer: Option D
28. SI unit for the surface tension, is
A.
kg/m3 B.
kg/m2
C.
kg/m D.
N/m
Answer: Option D
29. The basic quantity in the International system of units, is
A.
length and mass
B.
time and temperature
C.
mole and light intensity
D.
all the above.
Answer: Option D
30. Intensity of electric current is expressed in
A.
volts B.
watts
C.
amperes D.
joules.
Answer: Option C