Mechanical Engineering MCQ

1. Which criterion is used to determine frictional torque in pivots and collars when considering uniform pressure and wear rate? a) Coulomb’s Lawb) Amontons’ Lawc) … Read more

1. What is the primary purpose of balancing rotating masses in machines? a) To reduce friction in bearingsb) To minimize energy consumptionc) To prevent excessive … Read more

1. Which of the following is NOT a type of governor mechanism?a) Centrifugal governorb) Inertia governorc) Magnetic governord) Gravity governor Answer: c) Magnetic governorExplanation: Magnetic … Read more

1. What is the relationship between the displacement, velocity, and acceleration of a piston in an engine?a) Displacement and velocity are inversely proportional, while acceleration … Read more

1. What is single conditioning in the context of data acquisition? a) The process of conditioning only one type of signalb) Conditioning a single sensor … Read more

1. What is the purpose of an actuator in a control system? a) To generate electrical signalsb) To convert electrical energy into mechanical motionc) To … Read more

1. Which component of the 8085A processor is responsible for executing arithmetic and logical operations?a) CPUb) ALUc) Memoryd) Assembler Answer: b) ALUExplanation: ALU (Arithmetic Logic … Read more

1. What is a transducer? a) A device that converts physical quantities into electrical signalsb) A device that amplifies electrical signalsc) A device that stores … Read more

1. What is the definition of Mechatronics?a) Mechatronics is the study of mechanical systems only.b) Mechatronics involves the integration of mechanical engineering with electronics and … Read more

1. Which of the following best describes the subjective response of sound?a) Objective and universalb) Frequency and sound dependentc) Constant for all individualsd) Unaffected by … Read more