1.
What does a tachometer measure?
Speed
Pressure
Temperature
Voltage
2.
A woman is seen watering her plants during a rainstorm. What is the most plausible explanation?
She forgot it was raining
The rain isn't reaching the plants effectively
She wants to use up the water in her can
She enjoys being outside during the rain
3.
Which of the following is an example of a compound machine?
Lever
Inclined plane
Scissors
Wedge
4.
A small town's population has suddenly increased by 15%. What is the most likely cause?
A new factory opened nearby
The town lowered property taxes
A popular movie was filmed there
The town improved its schools
5.
A country's birth rate has increased after years of decline. What is the most likely reason?
The government introduced new family-friendly policies
The economy has improved
There's been a cultural shift towards larger families
The country has restricted access to contraception
6.
A company's productivity has increased after implementing a four-day work week. What is the most probable cause?
Employees are working longer hours
The company hired more staff
Employees are more focused and less stressed
The company invested in new technology
7.
A company's customer complaints have decreased by 25% this quarter. What is the most likely reason?
The company improved its product quality
Customers have lower expectations
The company is ignoring complaints
Fewer people are buying the product
8.
Which of the following is not a type of coupling?
Flexible coupling
Rigid coupling
Fluid coupling
Friction coupling
9.
A country's agricultural productivity has increased significantly. What is the most likely cause?
The country experienced favorable weather conditions
The country adopted genetically modified crops
The country implemented new farming technologies
The country increased subsidies to farmers
10.
What is the function of a governor in a mechanical system?
Increase speed
Regulate speed
Measure torque
Generate power
Questions Answered: 0/10
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