Dharshini

1.In mechanical engineering, what is the term for the ratio of the work output to the work input of a machine?

• Power

• Torque

• Efficiency

• Energy

2.Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?

• Ohm's Law

• Faraday's Law

• Kirchhoff's Law

• Coulomb's Law

3.Which type of energy is stored in a compressed spring?

• Potential

• Kinetic

• Thermal

• Electrical

4.Which device converts mechanical energy into electrical energy?

• Generator

• Transformer

• Capacitor

• Resistor

5.What is the formula for calculating work done

• work=force x distance

• work=mass x acceleration

• work=power / time

• work= energy / time

6.Which law of thermodynamics states that energy cannot be created or destroyed,only transferred or converted

• Zeroth law

• First law

• Second law

• Third law

7.Which law of motion states that for every action,there is an equal and opposite reaction?

• Newton's First Law

• Newton's second Law

• Newton's third Law

• Law of Gravitation

8.What is the unit of measurement for pressure?

• Pascal

• Newton

• Joule

• kilogram

9.Which of the following is a measure of an object's resistant to changes in its state of motion?

• Velocity

• Acceleration

• Inertia

• Momentum

10.Which type of gear has teeth that are cut on the inside suface of a cylinder?

• Spur gear

• Helical gear

• Bevel gear

• Internal gear