FREE Mechanical Aptitude Knowledge Question and Answers
What statement regarding levers is TRUE?
In Module 1: Levers, a thorough explanation of levers and their attributes is provided.
What is the rate of rotation of the Earth's surface, expressed in kilometers per hour? The Earth has a 6370 km radius. Assign a whole number as the answer.
This is a typical example of circular motion. You will learn how to deal with it after having a look at Module 7: Circular Motion.
Which one of the following DOES NOT function by magnetism?
In Module 14: Magnetism, applications of magnetism are discussed.
A screw with a body diameter of 6mm and a pitch of 1mm must be turned with a 12N force. Determine the driving force influencing the screw. Write the solution in 3 s.f.
The Physics of Screw is explained in Module 8: Other Simple Machines.
Initially, a gas has a 10 lt volume and a 4 atm pressure. What will the final pressure in cm-Hg be if its volume changes from 20 It to 20 It following a process?
In Module 11: Gas Pressure, the relationship between pressure and volume of a gas is covered.
Which of the following substances is magnetic?
In Module 14: Magnetism, materials that magnetize are mentioned.
Which of the following is TRUE?
This inquiry relates to circular motion. As a result, it can be resolved by looking at Module 7: Circular Motion.
Which springs-related statement is FALSE?
In Module 5, springs, their characteristics, and combinations are explained. Springs
What value stays the same throughout a ballistic trajectory?
In Module 6: Ballistics, all necessary information concerning ballistic trajectories is presented.
A series circuit has the following benefit(s) over a parallel one:
In Module 12: Series and Parallel Circuits, specific electric circuit configurations' benefits and drawbacks are discussed.
A force of 1200 N holds a load of 300 N. What is the length of the lever in meters if the force is exerted at a location that is 25 cm from the fulcrum?
Module 1: Levers explains all aspects of levers and their classes, including mathematical calculations.
Which of the following claims regarding springs is FALSE?
For more information on Springs properties see Module 5: Springs.
Even if an electric iron heats up, the cable that sends the current to it remains cool. Because of:
The reciprocal of the centripetal force is
Module 7: Circular Motion has greater details on centripetal force.
What distinguishes a cell from a capacitor most significantly?
The use of circuit elements and symbols are extensively covered in Module 10: Electrical Circuits.
When a liquid's density doubles and an object is submerged, the pressure of the liquid decreases as follows:
In Module 9: Pressure, the topic of liquid pressure and its influencing factors is covered.