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WorksheetsD47 CHECK YOUR LEVEL
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
Which of the following is used as protective work in bridge substructure?
a)
Gabions
b)
Curtain walls
c)
Arches
d)
Suspension cables
2.
In canal irrigation, the term 'outlet discharge factor' refers to:
a)
Discharge per unit time
b)
Discharge per unit area
c)
Discharge per hectare
d)
Discharge per square meter
3.
A trap used in house drainage to prevent foul gases from re-entering is:
a)
Gully trap
b)
Intercepting trap
c)
Grease trap
d)
Floor trap
4.
The best suited material for bridge expansion joints is:
a)
Rubber
b)
Concrete
c)
Bitumen
d)
PVC
5.
Concrete is weak in:
a)
Compression
b)
Tension
c)
Shear
d)
Bearing
6.
The IS code used for design of irrigation channels is:
a)
IS 456
b)
IS 10262
c)
IS 10430
d)
IS 3370
7.
The bridge component that directly supports deck slab is:
a)
Pier cap
b)
Girder
c)
Bearing
d)
Abutment
8.
The minimum width of parapet wall on bridges as per IRC standards is:
a)
200 mm
b)
250 mm
c)
300 mm
d)
500 mm
9.
The most commonly used cross drainage structure in minor irrigation works is:
a)
Aqueduct
b)
Siphon
c)
Super passage
d)
Culvert
10.
Full form of HFL in bridge drawings is:
a)
High Flood Level
b)
High Footing Level
c)
Horizontal Flow Level
d)
Hydraulic Flow Limit
11.
Water cement ratio mainly affects:
a)
Compressive strength
b)
Tensile strength
c)
Workability
d)
Density
12.
The velocity of flow in an irrigation canal is measured by:
a)
Venturimeter
b)
Float method
c)
Weir method
d)
Pitot tube
13.
As per IS 456, minimum grade of concrete for RCC is:
a)
M15
b)
M20
c)
M25
d)
M30
14.
Froude number is used to determine:
a)
Flow velocity
b)
Type of flow
c)
Canal discharge
d)
Hydraulic gradient
15.
Calculate the area irrigated if the duty is 1600 hectares/cumec and discharge is 2.5 cumecs.
a)
4000 hectares
b)
3500 hectares
c)
3000 hectares
d)
4500 hectares
16.
If a canal has a base width of 6 m, side slopes 1:1, and water depth 2 m, find the top width.
a)
10 m
b)
12 m
c)
14 m
d)
8 m
17.
The function of a stilling basin in hydraulic structures is to:
a)
Store excess water
b)
Prevent seepage
c)
Dissipate energy
d)
Increase velocity
18.
The bridge element that transfers load from deck to substructure is:
a)
Pier
b)
Girder
c)
Bearing
d)
Abutment
19.
The best stone for flooring with resistance to abrasion is:
a)
Slate
b)
Marble
c)
Granite
d)
Limestone
20.
Which of the following is a water-reducing admixture?
a)
Silica fume
b)
Superplasticizer
c)
Fly ash
d)
Retarder
21.
Which of the following is a permanent structure?
a)
Formwork
b)
Cofferdam
c)
Abutment
d)
Shoring
22.
In fluid mechanics, Venturimeter works on the principle of:
a)
Bernoulli’s theorem
b)
Pascal's law
c)
Newton’s law
d)
Archimedes’ principle
23.
The angle between true meridian and magnetic meridian is called:
a)
Dip
b)
Declination
c)
Bearing
d)
Azimuth
24.
Which type of bridge is most suitable for long spans?
a)
Suspension
b)
Slab
c)
Arch
d)
Culvert
25.
Which admixture increases initial setting time of cement?
a)
Accelerator
b)
Superplasticizer
c)
Retarder
d)
Pozzolana
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