# 13/2/20 live exam

## Quiz by Wincentre Classes

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10 questions
• Q1
If p is the internal pressure in a thin cylinder of diameter d and thickness t, the hoop stress developed is :
2pd/t
Pd/t
Pd/2t
Pd/4t
30s
• Q2
Pick up the correct statement from among the following:
In compressible flow, the density of a fluid changes from point to point
All of these ( A, B  & D )
In uniform flow, the velocity of a fluid does not change with respect to length of flow direction
In incompressible flow, the density of a fluid remains constant
30s
• Q3
The flow in open channel is laminar if the Reynolds number is
More than 500
None of these
Less than 500
1000
30s
• Q4
The main function of a diversion head works of a canal from a river, is
To raise water level
To remove silt
To store water
To control floods
30s
• Q5
A current meter measures the velocity of flow, if it is held
At the bottom of channel
At any point within the cross section
None of these
On the surface of water
30s
• Q6
Irrigation canals are generally aligned along:
Straight line
Ridge line
Contour line
Valley line
30s
• Q7
For double angles carrying tension placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of:
The section
The section multiplied by the area of rivet holes
The section plus area of rivet holes
The section minus area of rivet holes
30s
• Q8
For the determination of allowable stress and axial compression, Bureau of Indian Standards has adopted:
Engesser Formula
Euler's Formula
Rankien's Formula
Secant formula
30s
• Q9
The stress in the wall of a thin cylinder subjected to internal pressure is :
Shear
Hoop tension
Hoop compression
Torsional shear
30s
• Q10
If A is the depth of water in meters, B is the number of days of base period and D is the duty in hectare/cumec, the relation which holds good, is
Δ = 8.64B/D
D= Δ 8.64 D/B
D = Δ8.64/B
D = Δ8.64/D
30s

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