Second year
Second Year Science Quiz
Test your knowledge in physics and engineering with our engaging second-year quiz! This quiz covers a variety of topics, from basic statistics to mechanics and material science.
Challenge yourself and see how well you understand key concepts:
- Mean calculations
- Force and torque
- Stress and strain
- Mechanical properties
Find the mean of the first eight odd numbers .
6
7
8
9
If three forces of 30 kg ,35 kg, 55 kg respectively act on the same line and in the same direction . Fine their resultant force.
120 kg
1110 kg
140 kg
100 kg
A Force of 30 newton is applied at the end of a spanner whose effective length is 19.5 cm.Calculate its torque
5.85
5.775
5.725
5.75
What is the unit of strain ?
Kg/cm^2
Nn/m^2
Metre
No unit
The ratio between the change in length to its original length of the substance is called as............
Stress
Strain
Poisson's ratio
Factor of unit
A helical spring is loaded with a force of 600 Newton and is compressed by 30 mm.What would be the load required to compress it to 10 mm?
150 n
200 n
250 n
300 n
Identify the force which tends to increase the length of the body.
Shear force
Tensile stress
Velocity force
Compression force
Unit of stress is equal to ...............
Metre / sec
Kg metre
Kg / metre
Kg / cm^2
Stress is ratio of ....................
Load and area
Load and direction
Load and dia
Load and time
A Copper rod of 45 mm diameter is subjected to tensile load of 4500 Newton.calculate the stress
263 N / cm^2
273 N /cm^2
283 N /cm^2
293 N /cm^2
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