WorksheetsD65 CHECK YOUR LEVEL
Total questions: 29
Worksheet time: 29mins
Name
Class
Date
1.
In AutoCAD, which plotting option plots everything currently visible in the drawing area?
a)
Layout
b)
Extents
c)
Display
d)
Window
2.
Which AutoCAD command restores the most recently erased objects?
a)
REDO
b)
REINSERT
c)
OOPS
d)
COPY
3.
AutoCAD begins measuring polar angles from which direction?
a)
12 o'clock
b)
9 o'clock
c)
6 o'clock
d)
3 o'clock
4.
Which option best explains the difference between PURGE and OVERKILL in AutoCAD?
a)
PURGE removes unused items; OVERKILL removes duplicate/overlapping objects
b)
PURGE deletes layers; OVERKILL deletes blocks
c)
PURGE explodes blocks; OVERKILL cleans 3D objects
d)
PURGE only works in 3D; OVERKILL only in 2D
5.
Which keyboard toggle enables numeric keypad input for digits 0–9?
a)
Caps Lock
b)
Num Lock
c)
Shift
d)
Enter
6.
The centroid of a rectangle (b×d) from its base measured vertically is located at:
a)
d/2
b)
b/2
c)
d/3
d)
2d/3
7.
For a plane area, the perpendicular axis theorem states Jz (polar MOI) equals:
a)
Ixx − Iyy
b)
Ixx + Iyy
c)
Ixx / Iyy
d)
Ixx × Iyy
8.
Product of inertia of a plane area about its principal axes is:
a)
Maximum
b)
Minimum non-zero
c)
Zero
d)
Negative
9.
In railway engineering, 'gauge' is defined as the distance between:
a)
Outer faces of two rails
b)
Centrelines of rails
c)
Inner faces of running rails
d)
Rail heads
10.
Wheel diameter is approximately what fraction of the gauge?
a)
1/2 of gauge
b)
3/4 of gauge
c)
Equal to gauge
d)
Twice the gauge
11.
Which component primarily distributes load to the subgrade and aids drainage?
a)
Rails
b)
Sleepers
c)
Ballast
d)
Fastenings
12.
Track capacity (trains/hour) can be increased mainly by:
a)
Reducing sleeper spacing only
b)
Increasing speed or reducing headway
c)
Using heavier rails only
d)
Reducing ballast depth
13.
In site investigation, Standard Penetration Test (SPT) 'N' value refers to blows required to drive the sampler:
a)
150 mm
b)
200 mm
c)
300 mm
d)
450 mm
14.
Which foundation is preferred where the soil is soft and loads are relatively uniform?
a)
Isolated footing
b)
Raft/Mat foundation
c)
Grillage foundation
d)
Strap footing
15.
In black cotton soil, the depth of ordinary building foundation should be about:
a)
Maximum crack depth − 300 mm
b)
Maximum crack depth + 300 mm
c)
1.0 m fixed
d)
500 mm fixed
16.
A floating foundation is characterized by:
a)
Zero settlement
b)
Net foundation pressure ≈ 0
c)
Use only on rock
d)
Use of piles only
17.
The ideal shape for a vertical valley (sag) or summit curve is usually taken as a:
a)
Circle
b)
Clothoid
c)
Parabola
d)
Lemniscate
18.
On a simple circular curve, the tangent length T equals:
a)
R·sin(Δ/2)
b)
R·tan(Δ/2)
c)
R·sec(Δ/2)
d)
R·(1 − cosΔ)
19.
Assertion (A): A transition curve is inserted between a tangent and a circular curve to provide a gradual change of curvature.
Reason (R): The rate of change of centrifugal acceleration should be uniform for comfort and safety.
a)
A true, R true, and R is the correct explanation
b)
A true, R true, but R is NOT the correct explanation
c)
A true, R false
d)
A false, R true
20.
In a theodolite, the 'vertical circle' is graduated for rotation in the vertical plane and is rigidly connected to the:
a)
Upper plate
b)
Lower plate
c)
Telescope
d)
Levelling head
21.
In AutoCAD, which command is used to combine multiple drawing entities into a single object?
a)
BLOCK
b)
GROUP
c)
JOIN
d)
UNION
22.
The centroid of a triangle lies at the intersection of its:
a)
Medians
b)
Angle bisectors
c)
Altitudes
d)
Perpendicular bisectors
23.
For Broad Gauge in India, the standard rail section most commonly used is:
a)
90 R
b)
52 kg/m
c)
60 R
d)
75 R
24.
In railway track ballast, which stone size range is generally preferred?
a)
10–20 mm
b)
20–40 mm
c)
40–65 mm
d)
65–90 mm
25.
A raft foundation is most suitable when:
a)
The soil bearing capacity is high
b)
Loads are concentrated at a few points
c)
Soil bearing capacity is low and loads are spread over a large area
d)
A deep basement is required
26.
Which part of a theodolite is used to clamp the upper plate for reading horizontal angles?
a)
Lower clamp screw
b)
Upper clamp screw
c)
Tangent screw
d)
Tribrach
27.
In AutoCAD, which command draws a polyline with arc and line segments?
a)
ARC
b)
PLINE
c)
LINE
d)
SPLINE
28.
For metre gauge, the degree of curve is defined based on a chord length of:
a)
20 m
b)
25 m
c)
30 m
d)
100 ft
29.
In a theodolite, which screw is used for fine adjustment after clamping?
a)
Clamp screw
b)
Tangent screw
c)
Foot screw
d)
Leveling screw
100 %
