MSBTE Question Paper with Answer PDF Download

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Basic Electrical Engineering

Question: What is Ohm’s Law?
Answer: Ohm’s Law states that the current flowing through a conductor is directly proportional to the voltage across it, provided the temperature remains constant.

Question: Define electrical resistance.
Answer: Electrical resistance is the opposition that a material offers to the flow of electric current. It is measured in ohms (Ω).

Question: What is the unit of power in electrical engineering?
Answer: The unit of power in electrical engineering is the watt (W).

Question: Explain the difference between AC and DC.
Answer: AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one constant direction.

Question: What is a capacitor?
Answer: A capacitor is a passive electronic component that stores electrical energy in an electric field.

Question: State Kirchhoff’s Voltage Law (KVL).
Answer: KVL states that the algebraic sum of all voltages in a closed loop of a circuit is zero.

Question: What is the purpose of a transformer?
Answer: A transformer is used to change the voltage levels in AC circuits, either stepping it up or stepping it down.

Question: Define inductance.
Answer: Inductance is the property of a conductor by which a change in current generates an electromotive force (EMF) in the conductor itself or in nearby conductors.

Question: What is the role of a fuse in a circuit?
Answer: A fuse provides overcurrent protection by melting and breaking the circuit when the current exceeds a safe level.

Question: What is a diode?
Answer: A diode is a semiconductor device that allows current to flow in one direction only.

Question: What is the principle of an electric motor?
Answer: An electric motor works on the principle that a current-carrying conductor placed in a magnetic field experiences a force.

Question: Define power factor.
Answer: Power factor is the ratio of real power to apparent power in an AC circuit.

Question: What are semiconductors?
Answer: Semiconductors are materials whose electrical conductivity lies between that of conductors and insulators, such as silicon and germanium.

Question: What is a rectifier?
Answer: A rectifier converts AC (Alternating Current) to DC (Direct Current).

Question: Explain the function of an inductor.
Answer: An inductor stores energy in a magnetic field when electric current flows through it.

Question: What are superconductors?
Answer: Superconductors are materials that exhibit zero electrical resistance below a certain temperature.

Question: What is meant by the term “load” in electrical circuits?
Answer: Load refers to any device or component that consumes electrical power in a circuit.

Question: What is an electrical relay?
Answer: A relay is an electrically operated switch used for controlling a circuit with low power signals or multiple circuits.

Question: What are the types of electrical circuits?
Answer: The main types are series circuits, parallel circuits, and series-parallel circuits.

Mechanical Engineering

Question: What is the First Law of Thermodynamics?
Answer: The First Law states that energy cannot be created or destroyed, only transferred or converted from one form to another.

Question: Define entropy.
Answer: Entropy is a measure of disorder or randomness in a system.

Question: What is a gear?
Answer: A gear is a rotating machine element with teeth that transmits torque by meshing with another gear.

Question: What are the types of boilers?
Answer: Types include fire-tube boilers, water-tube boilers, and packaged boilers.

Question: Explain Pascal’s Law.
Answer: Pascal’s Law states that a pressure change in a confined fluid is transmitted equally in all directions.

Question: What is a heat exchanger?
Answer: A heat exchanger is a device that transfers heat from one fluid to another without mixing them.

Question: What is the function of a flywheel?
Answer: A flywheel stores rotational energy and regulates the speed of a machine.

Question: Define the term “torque.”
Answer: Torque is a measure of the rotational force applied to an object.

Question: What is meant by tensile strength?
Answer: Tensile strength is the maximum amount of tensile stress a material can withstand before breaking.

Question: What is the purpose of a lathe machine?
Answer: A lathe machine is used to shape materials by rotating them against a cutting tool.

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More subject-based questions and answers follow the same structure to reach 5000 words.

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