WorksheetsD38 FACE THE CHALLENGE
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
If a material is free to expand due to temperature rise, what is the stress developed?
a)
Tensile stress
b)
No stress
c)
Compressive stress
d)
Thermal stress
2.
What is the minimum depth of ballast cushion under sleepers?
a)
100 mm
b)
150 mm
c)
200 mm
d)
300 mm
3.
What is the full form of SEJ in railways?
a)
Special Engineering Joint
b)
Sleepers Expansion Joint
c)
Switch Expansion Joint
d)
Speed Enhanced Junction
4.
What is the main function of a diversion headwork?
a)
Store floodwater
b)
Divert water into canal
c)
Act as a dam
d)
Act as fish pass
5.
Afflux refers to:
a)
Drop in water level downstream
b)
Rise in upstream water level
c)
Reduction in discharge
d)
Hydraulic jump
6.
Which type of weir is most modern and efficient?
a)
Rockfill weir
b)
Vertical drop weir
c)
Masonry weir
d)
Concrete sloping glacis weir
7.
Failure by piping is due to:
a)
Heavy rainfall
b)
Overtopping
c)
Seepage removes foundation soil
d)
Structural failure
8.
What component is constructed at a right angle to weir to guide flow?
a)
Canal regulator
b)
Head regulator
c)
Divide wall
d)
Guide bank
9.
Which law states that the pressure at a point in a fluid is equal in all directions?
a)
Hydrostatic Law
b)
Boyle's Law
c)
Pascal's Law
d)
Newton's Law
10.
The vertical distance between the crown and dip of a trap is known as:
a)
Water seal
b)
Trap depth
c)
Crown height
d)
Dip height
11.
Which of the following is not a type of sanitary sewer?
a)
House sewer
b)
Main sewer
c)
Electric sewer
d)
Lateral sewer
12.
What is the minimum number of longitudinal bars required in a circular RCC column?
a)
4
b)
5
c)
6
d)
8
13.
Which one of the following components is provided at the top of a vent pipe?
a)
Trap
b)
Cowl
c)
Bend
d)
Elbow
14.
Which type of column has a slenderness ratio less than 12?
a)
Long column
b)
Slender column
c)
Short column
d)
Intermediate column
15.
In fluid mechanics, which law governs pressure change with depth in a static fluid?
a)
Pascal's Law
b)
Bernoulli's Principle
c)
Hydrostatic Law
d)
Archimedes Principle
16.
What type of joint is used to join cast iron pipes with plain ends?
a)
Simplex joint
b)
Collar joint
c)
Flexible joint
d)
Spigot and socket joint
17.
Which type of sewer section is most hydraulically efficient for separate systems?
a)
Egg-shaped
b)
Circular
c)
Horse-shoe
d)
Box-type
18.
What is the maximum spacing for lateral ties in RCC columns as per IS 456?
a)
16 times dia of longitudinal bar
b)
300 mm
c)
Least lateral dimension of column
d)
Minimum of above three values
19.
Which of the following impurities is responsible for acidity in water?
a)
Hydrogen
b)
Oxygen
c)
Carbon dioxide
d)
Chlorine
20.
Which parameter defines the vertical space between a water outlet and the flood level of a fixture?
a)
Air gap
b)
Water seal
c)
Residual head
d)
Stack height
21.
Which pipe joint is used when temperature changes are expected in water supply systems?
a)
Expansion joint
b)
Collar joint
c)
Simplex joint
d)
Spigot joint
22.
Find the absolute pressure if the atmospheric pressure is 1.013 × 10⁵ Pa and gauge pressure is 2 × 10⁴ Pa.
a)
0.813 × 10⁵ Pa
b)
1.213 × 10⁵ Pa
c)
2.013 × 10⁵ Pa
d)
1.013 × 10⁵ Pa
23.
What is the function of anti-creepers in railways?
a)
To prevent tilting of rails
b)
To reduce wave motion
c)
To prevent longitudinal movement
d)
To fasten chairs to sleepers
24.
Which town growth pattern results in long narrow development along roads?
a)
Satellite Growth
b)
Ribbon Development
c)
Scattered Growth
d)
Concentric Spread
25.
What is the minimum reinforcement for HYSD bars in footing?
a)
0.10%
b)
0.12%
c)
0.15%
d)
0.20%
26.
Which IS code governs steel structures for general construction?
a)
IS 875
b)
IS 800
c)
IS 456
d)
IS 1893
27.
Which zone in urban planning typically takes up 40–50% of land?
a)
Commercial Zone
b)
Industrial Zone
c)
Residential Zone
d)
Recreational Zone
28.
Which spike has better holding power than dog spikes?
a)
Round spike
b)
Hook bolt
c)
Screw spike
d)
Fang bolt
29.
Unwin's formula for rivet diameter is:
a)
d = √(50t - 2)
b)
d = 6.05√t
c)
d = 1.5t + 4
d)
d = √(t + 50)
30.
Calculate the rivet hole diameter for a 16 mm nominal diameter rivet.
a)
16 mm
b)
18 mm
c)
17 mm
d)
20 mm
100 %
