Quiz Questions

ITI Quiz - 21-Oct-2026 12:37 AM (ITISKILL7480Y7)

Question 1 1 Marks
Which force acts on rivets?
A
Tensile force
B
Compressive force
C
Shear force
D
Bending force
Question 2 1 Marks
What is the formula for bulk modulus?
A
Tensile stress/Tensile strain
B
Compressive stress/Compressive strain
C
Volumetric stress/Volumetric strain
D
Shear stress/Shear strain
Question 3 1 Marks
What is the ratio between stress and strain?
A
Yield point
B
Factor of safety
C
Youngs Modulus
D
Poisson's ratio
Question 4 1 Marks
What is the safe stress if the ultimate stress of a material is 35 kg/mm<sup>2</sup> and factor of safety is 5?
A
0.143
B
0.7
C
1.43
D
7
Question 5 1 Marks
Which symbol is used to express change in length?
A
L
B
delta l
C
I
D
e
Question 6 1 Marks
What is the ratio between ultimate stress to working stress?
A
Bulk modulus
B
Young's modulus
C
Factor of safety
D
Modulus of rigidity
Question 7 1 Marks
What force will be required to punch a hole of 10 mm dia in a 1 mm thick plate, if the allowable shear stress is 50N/mm<sup>2</sup>? (Pi = 22/7)
A
1757 N
B
1575 N
C
1571.4 N
D
1577 N
Question 8 1 Marks
What is the youngs modulus if a wire of 2m long, 0.8 mm2 in cross section increases its length by 1.6 mm on suspension of 8 kg weight from it?
A
1.25 kg/mm<sup>2</sup>
B
12.5 kg /mm<sup>2</sup>
C
125 kg/mm<sup>2</sup>
D
12500 kg/mm<sup>2</sup>
Question 9 1 Marks
What is the unit of strain?
A
Kg/cm<sup>2</sup>
B
Newton/metre<sup>2</sup>
C
Metre
D
No unit
Question 10 1 Marks
What is the centre of gravity of a sphere?
A
At the centre
B
On the circumference
C
At the diameter
D
At the radius
Question 11 1 Marks
Which affects the centre of gravity of the object
A
Weight
B
Mass
C
Density
D
Shape
Question 12 1 Marks
Which state of equilibrium's example is, A cone resting on its base?
A
Un-stable
B
Neutral
C
Stable
D
Bothe A and B
Question 13 1 Marks
What is the centre of gravity of a semi circle of diameter 12 cm?
A
2.24 cm
B
2.54 cm
C
3.25 cm
D
2.75 cm
Question 14 1 Marks
What is the centre of gravity of a rectangular body?
A
Longer side of rectangle
B
Shorter side of rectangle
C
At the point of intersection of its diagonals
D
At the corners
Question 15 1 Marks
Which one of the following geometrical shape's centre of gravity lies from its base is 1/3 of its height?
A
Square
B
Rhombus
C
Triangle
D
Cone
Question 16 1 Marks
What is the centre of gravity of a solid hemisphere from its base?
A
4r/5
B
3r/8
C
3r/4
D
r/2
Question 17 1 Marks
Where the centre of gravity of a circle lies?
A
At its centre
B
Any where on its radius
C
Any where on its circumference
D
Any where on its diameter
Question 18 1 Marks
What is the centre of gravity of a right circular cone from its base?
A
h/2
B
h/3
C
h/4
D
h/5
Question 19 1 Marks
Which state of equilibrium's example is A cone resting on its tip?
A
Stable
B
Neutral
C
Unstable
D
Horizontal
Question 20 1 Marks
What is the name of the point at which all the weight of the body concentrated?
A
Initial point
B
Centre of gravity
C
Centroid
D
Central point
Question 21 1 Marks
What is the tensile strain if a force of 3.2 KN is applied to a bar of original length 2800 mm extends the bar by 0.5 mm?
A
0.0001786
B
0.0001687
C
0.0001867
D
0.0001968
Question 22 1 Marks
What is the ratio between lateral strain and longitudinal strain?
A
Hooks law
B
Young's modulus
C
Bulk modulus
D
Poisson's ratio
Question 23 1 Marks
Which is elastic material?
A
Nylon
B
Polystyrenes
C
Celluloid
D
Polycarbonates
Question 24 1 Marks
What is the ratio of change in length to original length?
A
Linear strain
B
Lateral strain
C
Volumetric strain
D
Poisson's ratio
Question 25 1 Marks
What is the ratio of shear stress to shear strain?
A
Modulus of elasticity
B
Modulus of rigidity
C
Bulk modulus
D
Yield point