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WorksheetsD63 CHECK YOUR LEVEL
Total questions: 29
Worksheet time: 28mins
Name
Class
Date
1.
In railways, which component connects two adjacent rails and allows for expansion and contraction?
a)
Bearing plate
b)
Fish plate
c)
Spike
d)
Chair
2.
Which type of weld is also called a groove weld and connects plates end to end?
a)
Butt weld
b)
Fillet weld
c)
Plug weld
d)
Slot weld
3.
What is the expression for throat thickness in a fillet weld of size 'S'?
a)
S
b)
0.5S
c)
0.707S
d)
0.67S
4.
The maximum permissible spacing of main reinforcement in a slab should not exceed:
a)
2d
b)
3d
c)
4d
d)
Effective depth
5.
Which sleeper type has the highest life expectancy among all common types used in Indian Railways?
a)
Timber
b)
Concrete
c)
Cast iron
d)
Steel
6.
According to Unwin’s formula, what is the rivet diameter for a 16 mm thick plate?
a)
d = 1.5t + 4
b)
d = 6.05√t
c)
d = √(50t - 2)
d)
d = t + 10
7.
Which type of slab is supported only on two opposite sides and bends primarily in one direction?
a)
Two-way slab
b)
Flat slab
c)
One-way slab
d)
Raft slab
8.
In fluid mechanics, the majority of energy loss in pipe flow is due to:
a)
Minor losses
b)
Frictional loss
c)
Turbulence
d)
Sudden expansion
9.
Which AutoCAD command is used to reduce objects in size proportionally with a reference point?
a)
REDUCE
b)
SCALE
c)
STRETCH
d)
SHRINK
10.
According to the Darcy–Weisbach equation, head loss due to friction is proportional to:
a)
flow velocity squared
b)
flow velocity
c)
pipe diameter
d)
pressure head
11.
What does the term 'gauge distance' refer to in a riveted joint?
a)
Distance between two pitch lines
b)
Distance between rivets measured along force
c)
Distance from edge to first rivet
d)
Distance between centers of rivet holes
12.
What is the correct sequence of commands to trim intersecting lines in AutoCAD?
a)
CUT > TRIM
b)
EDIT > CUT
c)
MODIFY > TRIM
d)
DRAW > BREAK
13.
Which ballast type is most suitable for high-speed trunk railway routes?
a)
Brick bats
b)
Gravel
c)
Kankar
d)
Broken stone
14.
Which formula gives the depth of ballast if sleeper spacing and width are known?
a)
D = (S + b)/2
b)
D = (S – b)/2
c)
D = (S × b)/2
d)
D = (S - b) × 2
15.
In welding, throat area is calculated by:
a)
throat length × width
b)
throat thickness × weld length
c)
leg length × weld size
d)
weld volume × stress
16.
Which slab type rests directly on columns and lacks beams?
a)
Waffle slab
b)
Flat slab
c)
One-way slab
d)
Mat foundation
17.
Assertion (A): Teak wood is ideal for timber sleepers. Reason (R): Teak has great resistance to fungi.
a)
Both A and R are true and related
b)
Both A and R are true but unrelated
c)
A is true, R is false
d)
A is false, R is true
18.
Which AutoCAD command is used to repeat the command quickly?
a)
COPY
b)
MULTIPLE
c)
REDO
d)
OFFSET
19.
The term 'sleeper density M+7' on BG tracks signifies how many sleepers per rail?
a)
19
b)
20
c)
22
d)
23
20.
What is the standard maximum super elevation provided on BG tracks in plain terrain?
a)
100 mm
b)
150 mm
c)
165 mm
d)
180 mm
21.
In fluid mechanics, which number represents the ratio of inertial force to viscous force?
a)
Reynolds number
b)
Froude number
c)
Mach number
d)
Euler number
22.
If a pipe of diameter 200 mm carries water at 3 m/s, what is the discharge in L/s?
a)
80 L/s
b)
90 L/s
c)
94.2 L/s
d)
96 L/s
23.
If a rectangular slab of size 4 m × 6 m is simply supported on all sides, and live load is 2 kN/m², what is the total live load?
a)
12 kN
b)
24 kN
c)
48 kN
d)
60 kN
24.
Assertion (A): Cast iron is used for railway chairs. Reason (R): It is cheap and resists corrosion.
a)
Both A and R are true and R is the correct explanation of A
b)
Both A and R are true but R is not the correct explanation
c)
A is true but R is false
d)
A is false but R is true
25.
What does the term 'pitch' refer to in riveted joints?
a)
Distance from edge
b)
Distance between rows
c)
Distance between center of rivets
d)
Distance from support
26.
In railway engineering, which gauge has the minimum sleeper spacing?
a)
Broad Gauge
b)
Metre Gauge
c)
Narrow Gauge
d)
Standard Gauge
27.
Which of the following materials is most suitable for damp-proofing in buildings?
a)
Brick jelly
b)
Lime mortar
c)
Bitumen
d)
Clay tiles
28.
The main constituent responsible for the setting of cement is:
a)
Silica
b)
Alumina
c)
Lime
d)
Iron oxide
29.
Which of the following is a sedimentary rock used commonly in construction?
a)
Limestone
b)
Granite
c)
Gneiss
d)
Basalt
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