FREE Mechanical Aptitude Knowledge Question and Answers
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.
Even if an electric iron heats up, the cable that sends the current to it remains cool. Because of:
What distinguishes a cell from a capacitor most significantly?
The use of circuit elements and symbols are extensively covered in Module 10: Electrical Circuits.
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.
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.
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.
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 springs-related statement is FALSE?
In Module 5, springs, their characteristics, and combinations are explained. Springs
Which of the following claims regarding springs is FALSE?
For more information on Springs properties see Module 5: Springs.
The reciprocal of the centripetal force is
Module 7: Circular Motion has greater details on centripetal force.
What value stays the same throughout a ballistic trajectory?
In Module 6: Ballistics, all necessary information concerning ballistic trajectories is presented.
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.
What statement regarding levers is TRUE?
In Module 1: Levers, a thorough explanation of levers and their attributes is provided.
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.
Which one of the following DOES NOT function by magnetism?
In Module 14: Magnetism, applications of magnetism are discussed.