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WorksheetsD43 FACE THE CHALLENGE
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
What is the purpose of a draft tube in a reaction turbine?
a)
To increase pressure at the inlet
b)
To guide water to tailrace
c)
To convert kinetic energy to potential energy
d)
To remove air bubbles
2.
The term ‘latitude’ in compass survey refers to:
a)
Distance perpendicular to meridian
b)
Bearing of the line
c)
Length of the survey line
d)
Distance along meridian
3.
The ratio of actual density to theoretical density is known as:
a)
Bulk density
b)
Specific gravity
c)
Density index
d)
Softening coefficient
4.
The scale used in topographic maps is generally:
a)
Small scale
b)
Large scale
c)
Comparative scale
d)
Plain scale
5.
Kaplan turbine is best suited for:
a)
Low head, high discharge
b)
High head, low discharge
c)
Medium head
d)
Very high head
6.
The correct order of hardness from soft to hard is:
a)
Lead < Copper < Steel < Diamond
b)
Diamond < Lead < Copper < Steel
c)
Copper < Lead < Diamond < Steel
d)
Lead < Steel < Copper < Diamond
7.
Which of the following is not part of permanent way in railways?
a)
Rails
b)
Ballast
c)
Fish plates
d)
Boom barrier
8.
What is the minimum cement content for M20 concrete as per IS 456?
a)
250 kg/m³
b)
300 kg/m³
c)
320 kg/m³
d)
360 kg/m³
9.
The bearing of a line measured clockwise from the north is:
a)
Reduced bearing
b)
True bearing
c)
Magnetic bearing
d)
Whole circle bearing
10.
Which of the following is an example of axial flow turbine?
a)
Pelton
b)
Francis
c)
Kaplan
d)
Girard
11.
Calculate the weight of a steel bar of 12 mm diameter and 10 m length. (Density of steel = 7850 kg/m³)
a)
8.878kg
b)
88.9 kg
c)
5.54 kg
d)
85.6 kg
12.
Match the structural member with its function:
A. Beam
B. Column
C. Slab
D. Footing
a)
A-Bending, B-Compression, C-Floor, D-Base
b)
A-Base, B-Floor, C-Bending, D-Compression
c)
A-Compression, B-Bending, C-Base, D-Floor
d)
A-Floor, B-Base, C-Compression, D-Bending
13.
Match the tool with its purpose:
A. Dumpy level
B. Compass
C. Theodolite
D. Cross staff
a)
A-Levelling, B-Bearing, C-Angles, D-Right angles
b)
A-Angles, B-Right angles, C-Levelling, D-Bearing
c)
A-Bearing, B-Angles, C-Right angles, D-Levelling
d)
A-Right angles, B-Levelling, C-Bearing, D-Angles
14.
Assertion (A): Slabs are reinforced in tension zones.
Reason (R): Concrete is weak in tension.
a)
Both A and R are true and R is the correct explanation
b)
Both A and R are true but R is not the correct explanation
c)
A is true, R is false
d)
A is false, R is true
15.
Assertion (A): Pelton wheel operates efficiently under high head.
Reason (R): It is a reaction turbine.
a)
Both A and R are true and R is the correct explanation
b)
Both A and R are true but R is not the correct explanation
c)
A is true, R is false
d)
A is false, R is true
16.
Which of the following statements is true about water permeability?
1. It depends on pore size of material.
2. Clay has very high permeability.
a)
Only 1 is correct
b)
Only 2 is correct
c)
Both are correct
d)
Both are incorrect
17.
Consider the following statements:
1. Broad gauge in India is 1.676 m.
2. Meter gauge is used for high-speed trains.
a)
Only 1 is correct
b)
Only 2 is correct
c)
Both are correct
d)
Both are incorrect
18.
What is the function of ballast in a railway track?
a)
Support rail
b)
Anchor fishplate
c)
Distribute load and drainage
d)
Join sleepers
19.
Which metal is most ductile among the following?
a)
Cast Iron
b)
Lead
c)
Copper
d)
Mild Steel
20.
Which of the following shows hygroscopicity?
a)
Stone
b)
Glass
c)
Timber
d)
Concrete
21.
The spacing of distribution steel in slabs should not exceed:
a)
3× effective depth
b)
5× effective depth or 450 mm
c)
2× overall depth
d)
450 mm only
22.
Which rail joint provides better continuity in rails?
a)
Fish plate
b)
Thermite weld
c)
Expansion joint
d)
Flange joint
23.
Which among the following affects the creep of concrete?
a)
Age of concrete
b)
Humidity
c)
Magnitude of load
d)
All of the above
24.
Which turbine does not require a draft tube?
a)
Kaplan
b)
Pelton
c)
Francis
d)
Propeller
25.
Which method is adopted when area cannot be divided into triangles?
a)
Triangulation
b)
Traversing
c)
Tacheometry
d)
Levelling
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