Top
রঙ এর গঠন তন্ত্র
কংক্রিট এর সেটিং
ভাল রঙ এর বৈশিষ্ট্য
কখন এবং কিভাবে রং করতে হয়
হ্যান্ড ডাই স্টক (Hand Die Stock)
Need4engineer
Toggle navigation
Home
Blog
Calculation
Addressbook
Estimate
Mathpad
More
Quiz
Ask
Checksheet
Material
Addressbook
Log In
NEED4ENGINEER.COM , ২০১১ সাল থেকে অলাভজনক ভাবে নির্মাণ কাজের বিভিন্ন বিষয় নিয়ে সেবা দিয়ে যাচ্ছে
Civil Quiz 6
What is say about friction between sample sizes to total item in a lot?
Sampling fraction
Variance
Standard deviation
None of the above
In a screw jcak, the effort required to lower the load is
None of the above
more than
less than
equal to
A ship is berthed in a chamber and lifted by principles of buoyancy, such a chamber is called.
Wet dock
Refuge dock
Dry dock
Floating dock
A map indicates roads, highways, towns and the interrelationship is an ______model
analogue
none of the above
mathematical
Iconic
Originally, Rankine's theory of lateral earth pressure can be applied to only
coarse grained soil
fine grained soil
cohesive soil
cohesion less soil
The rise, in water level, which occurs during the transformation of the unstable shooting flow to the stable streaming flow is called hydraulic jump.
No
None of the above
Yes
Both A and B
What is the product of sectional modulus and allowable bending stress called as?
Radius of gyration
Moment of rigidity
Moment of inertia
Moment of resistance
Which of the following statements is correct with reference to an impeller with backward curved vanes?
It has a falling head - discharge characteristic.
It has rising head - discharge characteristic
It is easier to fabricate.
It cannot run at speeds other than the design speed.
The flow in which conditions do not change with time at any point, is known as
Steady flow
One dimensional flow
Uniform flow
Turbulent flow
A body of mass m moving with a constant velocity v strikes another body of same mass m moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
v
2 v
4 v
8 v
The variety of pig iron used for manufacture of wrought iron, is
Grey or foundry pig
Bessemer pig
Mottled pig
White forge pig
The lime which contains mainly calcium oxide and slacks with water, is
Fat lime
Hydraulic lime
Poor lime
Quick lime
Self-cleansing velocity is
Velocity of water at flushing
Velocity at dry weather flow
Velocity of water in a pressure filter
Velocity at which no accumulation remains in the drains
In a public building, the stairs should be located near the
end
centre
entrance
toilet
Which of the following gradients exerts maximum influence on properties of steel?
Sulphur
Manganese
Iron
Carbon
LCA associated with a___
All of the above
Process
Product
Service
The end block of a beam has a rectangular section 100mm wide by 200mm deep, the force of cable is 200kn. Find the actual bearing pressure?
40n/mm2
10n/mm2
20n/mm2
30n/mm2
For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is
2.4 xlO6
0.6 x 106
0.2 x 106
7.2 xlO6
Submerged weight of a body is
greater than its weight in air
equal to its weight in air
greater than its weight in vacuum
less than its weight in air
The process of proper and accurate measurement of all concrete materials for uniformity of proportions and aggregate grading is called
proportioning
mixing
batching
grading
The duty of a crop is 432 hectares per cumec when the base period of the crop is 100 days. The delta for the crop will be
200
864
432
100
A line joining some fixed points on the main survey lines, is called a
none of these
base line
check line
tie line
Most commonly used solvent in oil paints, is
Turpentine
Spirit
Coal tar
Petroleum
Grit chambers of a sewage plant are usually changed after
1 week
1 day
4 weeks
2 weeks
Steel tamping rod of 0.6m length and 16 mm diameter is used for tamping of concrete.
TRUE
FALSE
all
none
If support B settles by 1mm downward, what is direction of rotation at point A?
#NAME?
#NAME?
can't say
depends upon loading at point a
The unit of pressure is ___________.
kN/m3
Pa
no unit
N/m
A strainer type well sunk through three previous layers intervened by three impervious aquicludes, draws water from
All the pervious layers
Central pervious layer
Top most pervious layer
Lowest pervious layer
A transition curve when inserted between the tangent and the circular curve
the rate of increase of curvature along the transition curve should be same as that of increase of super-elevation
should meet the circular curve tangentially
should meet the original straight tangentially
all of the above
The rate of doing work is known as
power
potential energy
kinetic energy
none of these
Minimum thickness of steining should be _________ cm.
25
35
45
30