This category focuses on multiple choice questions (MCQs) related to various engineering disciplines commonly tested in Pakistan’s engineering entrance exams, licensing exams, and professional development programs . The questions cover a wide range of engineering subjects , potentially including but not limited to: civil engineering, mechanical engineering, electrical engineering, computer engineering and software engineering . This section offers valuable practice materials for engineering students preparing for competitive entrance exams to engineering schools , engineers preparing for professional licensing examinations , and practicing engineers seeking to enhance their knowledge and skills through
What are the key components of a basic Operational Amplifier.
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A. Resistors and capacitors onlyB. Transistors and diodes onlyC. Differential amplifier, current mirrors, and level shiftersD. Inductor, capacitor, and resistor
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How does a photodiode function as a light sensor? |.
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A. It emits light when current is appliedB. It changes resistance based on light intensityC. It generates a current proportional to light intensityD. It ...
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Explain the working principle of a DC motor. | motor.
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A. Electromagnetic inductionB. Electrostatic attractionC. Thermoelectric effectD. Piezoelectric effect
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What is the purpose of a Schmitt trigger in an.
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A. Amplification of weak signalsB. Generation of square wavesC. Noise reduction and threshold detectionD. Precise voltage regulation
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Describe the function of a bearing in a rotating shaft.
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A. To transfer heatB. To increase frictionC. To support a rotating shaftD. To regulate pressure
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What is the role of a gear box in a.
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A. To control temperatureB. To regulate pressureC. To change speed and torqueD. To filter impurities
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Explain the principle of operation of a steam turbine. |.
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A. Hydraulic pressureB. Magnetic fieldC. Steam expansionD. Combustion reaction
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What is the function of a control valve in a.
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A. To measure pressureB. To measure temperatureC. To regulate flow rateD. To filter impurities
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How does a pressure reducing valve control pressure? | reducing.
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A. By increasing flow rateB. By reducing flow rateC. By increasing temperatureD. By reducing temperature
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What is the purpose of a heat exchanger in an.
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A. To measure flow rateB. To regulate pressureC. To transfer heat between fluidsD. To filter impurities