Branch Master Mechanical

What is the SI unit of force?

• Newton

• Kilogram

• Pound

• Joule

Which of the following is not a simple machine?

• Lever

• Pulley

• ScrewGear

• Gear

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed or transferred?

• Zeroth Law

• First Law

• Second Law

• Third Law

Which material is a poor conductor of electricity?

• Copper

• Aluminum

• Plastic

• Silver

What is the formula for calculating mechanical advantage of a machine?

• MA = Load / EffortMA = Effort / Load

• MA = Effort / Load

• MA = Load * Effort

• MA = Load - Effort

Which type of energy is possessed by an object due to its motion?

• Kinetic energy

• Potential energy

• Thermal energy

• Electrical energy

What is the measure of disorder or randomness in a system?

• Efficiency

• Entropy

• Enthalpy

• Exergy

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 Inertia

Which type of heat transfer does not require a medium?Convection

• Convection

• Conduction

• Radiation

• Insulation

Which of the following is not a primary machining process?

• Turning

• Milling

• Welding

• Drilling