Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
The flutted wheel is driven by:
A)
square shaft
B)
base gear
C)
square gear
D)
circular shaft
A fluted wheel is driven by a circular shaft in the standard arrangement.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Which of the following fixed type furrow openers is commonly used with fertilizer cum seed drills?
A)
Chisel point type
B)
Single disc type
C)
Double disc type
D)
Both (b) & (c)
Both single-disc and double-disc furrow openers are used with fertilizer-cum-seed drills.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
A power tiller is most suited for rotary cultivation because:
A)
Its generate negative draft
B)
Its traction requirement is low
C)
It provides high degree of soil pulverization
D)
All of the above
The listed characteristics all explain the suitability of a rotary tiller.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
A beam is said to be in uniform strength, if:
A)
B.M is same throughout the beam
B)
bending stress is same throughout the beam
C)
deflection is same throughout the beam
D)
shear stress is same throughout the beam
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-III
A member which does not regain its original shape after load producing deformation is removed and it is called:
A)
Elasticity
B)
Rigid
C)
Plasticity
D)
None of these
The correct choice is C: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
In a singly reinforced beam, the effective depth is measured from its compression edge to:
A)
tensile reinforcement
B)
tensile edge
C)
neutral axis of the beam
D)
longitudinal central axis
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-III
Lime stone is not a:
A)
sedimentary rock
B)
stratified rock
C)
aqueous rock
D)
metamorphic rock
Limestone is primarily sedimentary; it is not classed as a metamorphic rock.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
The red colour of brick is due to:
A)
Magnesia
B)
Alumina
C)
Silica
D)
Iron oxide
Iron oxide imparts the characteristic red colour to most fired bricks.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Seasoning of timber can be done in kilns within:
A)
1– 5 days
B)
15 – 20 days
C)
5 – 10 days
D)
about 30 days
Kiln seasoning can dry timber rapidly, commonly within a few days under controlled conditions.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Maximum percentage of water absorption of 1st class brick in 24 hrs. should be limited:
A)
20%
B)
10%
C)
30%
D)
25%
First-class bricks should absorb not more than about 20% of their dry weight in water in 24 hours.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
As the elastic limits reaches, tensile strain:
A)
increases more rapidly
B)
decrease more rapidly
C)
increases in proportion to the stress
D)
decreases in proportion to the stress
Beyond proportional/elastic behavior, strain increases more rapidly for additional stress.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
In a loaded beam, the point of contraflexture occurs at a section where:
A)
B.M is minimum
B)
S.F is minimum
C)
B.M and S.F changes sign
D)
S.F is maximum
The correct choice is C: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Timber can be made more fire resistant by:
A)
Dipping and stepping process
B)
Sir Abel’s process
C)
Charring
D)
Hot and cold open tank treatment
Charring the surface can improve timber resistance to fire by forming a protective char layer.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Percentage of silica in good brick earth lies between:
A)
20% – 40%
B)
10% - 20%
C)
50% - 60%
D)
40% - 55%
Good brick earth generally contains about 20–40% silica.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Which of the following is not the method of planting sugarcane?
A)
Flat planting
B)
Furrow planting
C)
Trench planting
D)
Staggered planting
Staggered planting is not a standard main method among flat, furrow and trench planting.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
As the cube size increases, the strength of concrete:
A)
decreases
B)
remains constant
C)
increases
D)
insufficient data
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-III
Modulus of rupture of concrete gives:
A)
the direct tensile strength of concrete
B)
the direct compressive strength of concrete
C)
the tensile strength of concrete in bending
D)
the characteristic strength of concrete
The correct choice is C: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
The workability of concrete can be improved:
A)
increasing the size of aggregate
B)
decreasing the size of aggregate
C)
increasing the fine aggregate
D)
decreasing the fine aggregate
Larger maximum aggregate size generally increases concrete workability because less surface area needs paste to coat the aggregate.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Strength of concrete is directly proportional to:
A)
cement water ratio
B)
water cement ratio
C)
sand cement ratio
D)
water aggregate ratio
For a given mix, strength is governed strongly by the water-cement ratio; equivalently, higher cement-to-water ratio generally means higher strength.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
The moment diagram for cantilever beam whose free end is subjected to a bending moment, will be:
A)
Parabola
B)
Triangle
C)
Rectangle
D)
cubic parabola
The correct choice is C: this follows from standard civil-engineering surveying/structural/concrete principles for the stated condition.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Which of following in timber is caused by fungus:
A)
Upsets
B)
Foxiness
C)
dry rot
D)
wet rot
Dry rot is a fungal deterioration of timber.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
The building stone can be dressed very easily:
A)
after seasoning
B)
just after quarrying
C)
after some months of quarrying
D)
any time
Many stones are easiest to dress immediately after quarrying because freshly quarried stone is relatively soft and contains quarry sap.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Lime is mixed with brick earth:
A)
to impart plasticity
B)
to increase durability
C)
to prevent shrinkage
D)
to increase impermeability
Lime is added to brick earth mainly to reduce excessive shrinkage during drying/firing.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
For rapid hardening cement:
A)
gypsum is not added
B)
is subjected to large shrinkage cracks
C)
has 1 day strength same as that of 3 days strength of OPC
D)
all of these
Rapid-hardening cement develops high early strength, roughly equivalent to several-day OPC strength in one day; the best option is the early-strength statement.
Assistant Soil Conservation Engineer • 2021 • Agricultural Engineering Paper-III
Percentage shrinkage allowance provided on moulds for brick manufacture is:
A)
2-6%
B)
8-12%
C)
32-24%
D)
8-14 %
Brick moulds commonly include a shrinkage allowance of roughly 8–12%.
