Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
A plot of rainfall intensity versus time is called:
A)
Hydrograph
B)
Man curve
C)
Hyetograph
D)
Isohyet
A hyetograph plots precipitation intensity against time.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The first operational remote sensing satellite is:
A)
TRIOS
B)
NOAA
C)
GMS
D)
SPOT
TIROS-1 was the first successful operational weather/remote-sensing satellite in the early series listed.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
Precipitation caused by natural rising of warmer lighter air in colder, denser surrounding is called:
A)
Orographic precipitation
B)
Convective precipitation
C)
Frontal precipitation
D)
Both (a) & (c)
Convective precipitation is produced by unstable rising of warm, moist air.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
Number of links in a 30 m metric chain is:
A)
180
B)
100
C)
200
D)
150
The correct choice is A: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The length of a survey line was measured with a tape having nominal length 20 m and was found to be 236.4 m. As a check the length was again measured with 30 m tape and was found to be 240.5 m. On testing it is found that the 20 m tape is 60 cm too short, then the true length of 30 m tape is:
A)
60 cm too long
B)
20 cm too short
C)
60 cm too short
D)
20 cm to long
The correct choice is B: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
An ideal vertical curve to join two gradients, is:
A)
Circular
B)
Parabolic
C)
Elliptical
D)
Hyperbolic
A parabolic vertical curve gives a smooth, simple transition between two gradients.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The surface Run-off is the quantity of water:
A)
Absorbed by soil
B)
Intercepted by building and vegetative covers
C)
Required to filled surface depression
D)
That reaches the stream channels
Surface runoff is water that ultimately reaches stream channels after excess rainfall.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The value of magnetic declination if the magnetic bearing of sun at noon is 350º.
A)
80º E
B)
10º E
C)
80º W
D)
10º W
The correct choice is D: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
Symon’s rain-gauge has a receiving bottle capacity of about:
A)
75-150 mm of rainfall
B)
70-100 mm of rainfall
C)
70-150 mm of rainfall
D)
75-100 mm of rainfall
The standard Symon's gauge has a receiving bottle capacity of roughly 70–100 mm of rainfall.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The instrument used for measuring area on a contour map is:
A)
Clinometer
B)
Planimeter
C)
Tensiometer
D)
Graphometer
A planimeter is specifically designed to measure area on plans and maps.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane
A)
parallel to vertical axis
B)
parallel to axis of bubble tube
C)
perpendicular to vertical axis
D)
none of these
The horizontal cross-hair lies in a plane perpendicular to the vertical axis of the instrument.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The most optimum flow velocity of runoff for the grassed waterway with drop structure is:
A)
6 m/s
B)
3 m/s
C)
10 m/s
D)
1.8 m/s
A velocity around 3 m/s is commonly used as the optimum value in the stated drop-structure waterway context.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
A hydrometric curve is a plot of:
A)
Time of concentration and elevation curve of catchment.
B)
Area elevation curve.
C)
Spot rainfall values and isohyets on a basin map.
D)
Depth of rainfall & elevation of a catchment.
The intended catchment hydrometric relation is the area-elevation curve among the listed options.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
In levelling, a station is a point where:
A)
bench mark is mark
B)
staff is placed
C)
instrument is set up
D)
none of these
A station in levelling is the point at which the instrument is set up.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The contour interval is depends upon:
A)
purpose and extent of survey
B)
scale of the map
C)
nature of the ground
D)
all of these
Contour interval depends on the map scale, purpose/extent of survey and nature of terrain.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The line of collimation should be parallel to:
A)
vertical axis
B)
bubbles axis
C)
both (a) & (b)
D)
none of these
In proper adjustment, the line of collimation is parallel to the bubble-tube axis.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The rise and fall method of the levelling provides a complete check on:
A)
intermediate sight
B)
back sight
C)
foresight
D)
all of these
Rise-and-fall levelling provides an arithmetic check involving backsights, foresights and intermediate sights.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The function of levelling head is:
A)
to provide a bearing for outer hollow spindle
B)
to attach the Theodolite to the tripod
C)
to provide a mean of levelling the instrument
D)
all of these
The levelling head provides attachment to the tripod, supports the spindle, and permits levelling of the instrument.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
A rainfall is called as light rainfall when its intensity is:
A)
Less than 2.5 mm/hr
B)
2.5 mm/hr
C)
More than 2.4 mm/hr
D)
2.4 mm/hr
Light rainfall has intensity below 2.5 mm/h.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The unit of drainage density is:
A)
Sq. m
B)
m2/s
C)
m/sqm
D)
m3/s
Drainage density is total stream length divided by basin area, so its dimension is inverse length (m per sq m).
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
The length of a survey line measured with a 30 cm chain was found to be 631.5 m. When the chain was compared with a standard chain, it was found to be 0.10 m too long. Then the true length of survey line is:
A)
603.033 m
B)
631.241 m
C)
630.346 m
D)
633.603 m
The correct choice is B: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
Area of unit hydrograph divided by the catchment area gives:
A)
Direct runoff
B)
Peak runoff
C)
Effective rainfall depth
D)
Total runoff
The area under a unit hydrograph represents a volume; dividing by catchment area gives the effective rainfall depth (one unit).
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
In remote sensing the sensors are used to detect:
A)
EMR
B)
IR
C)
Sound energy
D)
Visible light
Remote-sensing sensors detect reflected or emitted electromagnetic radiation (EMR).
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
Precipitation is said to be drizzle when the water droplets and its intensity is:
A)
<0.5mm & <0.01 mm/hr respectively
B)
>0.5mm & >0.01 mm/hr respectively
C)
<0.5mm & >0.01 mm/hr respectively
D)
<0.05mm & <0.1 mm/hr respectively
Drizzle has very small drops, with diameter below about 0.5 mm, and very low intensity.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-II
Which of the scale is the smallest respectively?
A)
1 cm = 10 m
B)
1 cm = 1000 km
C)
RF = 1/100000
D)
1 : 10000
The correct choice is C: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
