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WorksheetsD41 FACE THE CHALLENGE
Total questions: 30
Worksheet time: 17mins
Name
Class
Date
1.
Assertion (A): Low heat cement is preferred for mass concrete works.
Reason (R): It generates less heat of hydration compared to ordinary Portland cement.
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 of A
c)
A is true but R is false
d)
A is false but R is true
2.
Match the function keys in AutoCAD with their functions:
a)
F3 – Object snap, F7 – Grid, F8 – Ortho, F9 – Snap
b)
F3 – Grid, F7 – Ortho, F8 – Snap, F9 – Object snap
c)
F3 – Snap, F7 – Object snap, F8 – Grid, F9 – Ortho
d)
F3 – Ortho, F7 – Snap, F8 – Object snap, F9 – Grid
3.
What is the slope of a typical road-side kerb ramp as per standard practice?
a)
1:3
b)
1:5
c)
1:12
d)
1:20
4.
In which cement type is volcanic ash used as one of the ingredients?
a)
Quick setting cement
b)
Pozzolana cement
c)
High alumina cement
d)
White cement
5.
Which of the following causes efflorescence in cement?
a)
Magnesia
b)
Alumina
c)
Sulphur
d)
Alkalis
6.
Which command is used to create a 3D solid by rotating a 2D object around an axis?
a)
Extrude
b)
Sweep
c)
Revolve
d)
Loft
7.
Which of the following is not an advantage of Bar Bending Schedule?
a)
Minimizes steel wastage
b)
Helps in quality control
c)
Prevents formwork failure
d)
Supports automation
8.
The point where whole weight of a body acts is called:
a)
Centroid
b)
Centre of gravity
c)
Moment of inertia
d)
Radius of gyration
9.
In fluid mechanics, Pascal’s law states that pressure applied to a fluid is:
a)
Reduced in all directions
b)
Transmitted equally in all directions
c)
Only in the direction of gravity
d)
Only upward
10.
Which element in cement acts as a flux and reduces clinkering temperature?
a)
Silica
b)
Alumina
c)
Lime
d)
Iron Oxide
11.
The command ‘X’ in AutoCAD is used to:
a)
Explode compound objects
b)
Extend lines
c)
Copy objects
d)
Join polylines
12.
Which traffic study uses radar meter for data collection?
a)
Volume study
b)
Spot speed study
c)
Origin-Destination study
d)
Delay study
13.
The movement of vehicles per unit time is known as:
a)
Flow
b)
Density
c)
Speed
d)
Capacity
14.
What is the full form of UCS icon in AutoCAD?
a)
Universal cursor system
b)
Unified coordinate system
c)
User coordinate system
d)
Universal construction setting
15.
If a body is symmetrical about both x and y axes, its product of inertia is:
a)
Zero
b)
Maximum
c)
Minimum
d)
Infinity
16.
Which cement is suitable for constructing water-retaining structures?
a)
Quick setting cement
b)
Hydrophobic cement
c)
Expanding cement
d)
Pozzolana cement
17.
Which formula represents the parallel axis theorem?
a)
I = Icg + Ad²
b)
I = Izz + Ixx
c)
I = Ix - Ay
d)
I = Ixx + Ay
18.
Match the cement tests with the equipment used:
a)
Fineness – Sieve, Setting time – Vicat, Soundness – Le Chatelier, Specific Gravity – Flask
b)
Fineness – Flask, Setting time – Vicat, Soundness – Flask, Specific Gravity – Sieve
c)
Fineness – Vicat, Setting time – Le Chatelier, Soundness – Sieve, Specific Gravity – Flask
d)
Fineness – Vicat, Setting time – Flask, Soundness – Sieve, Specific Gravity – Le Chatelier
19.
A cement cube fails at 2100 kg in compressive test. What is the compressive strength (kg/cm2) if face area is 50 cm²?
a)
42
b)
35
c)
28
d)
50
20.
Which IS code is followed for testing cement properties?
a)
IS 4031
b)
IS 456
c)
IS 800
d)
IS 3370
21.
What is the purpose of providing stirrups in beams?
a)
To take axial load
b)
To resist bending
c)
To prevent shear failure
d)
To increase length
22.
What is the primary component responsible for later strength in cement?
a)
C3A
b)
C2S
c)
C3S
d)
C4AF
23.
Which AutoCAD command allows copying objects?
a)
RO
b)
M
c)
CO
d)
E
24.
The expansion limit in the Le Chatelier Soundness test should not exceed:
a)
5 mm
b)
10 mm
c)
12 mm
d)
15 mm
25.
Which part of AutoCAD interface shows the active drawing name?
a)
Command Bar
b)
Ribbon Bar
c)
Title Bar
d)
Status Bar
26.
Which storage level allows hydropower generation in reservoirs?
a)
Dead storage
b)
Live storage
c)
Surcharge storage
d)
Valley storage
27.
What is the density of RCC as per IS code?
a)
2440 kg/m³
b)
2500 kg/m³
c)
2200 kg/m³
d)
2650 kg/m³
28.
Moment of inertia is minimum about:
a)
Base axis
b)
Any axis
c)
Centroidal axis
d)
Principal axis
29.
Which reservoir has uncontrolled outlets and is suitable for small rivers?
a)
Detention reservoir
b)
Distribution reservoir
c)
Multipurpose reservoir
d)
Retarding reservoir
30.
The specific surface area of cement is measured by:
a)
Le Chatelier apparatus
b)
Blain’s apparatus
c)
Vicat’s apparatus
d)
Compressive tester
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