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
Describe the function of a thermocouple in temperature measurement. |.
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A. Measures pressureB. Measures humidityC. Measures flow rateD. Measures temperature
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What is the purpose of a surge tank in a.
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A. To increase flow rateB. To filter impuritiesC. To absorb pressure fluctuationsD. To regulate temperature
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Explain the function of a differential pressure transmitter. | differential.
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A. Measures absolute pressureB. Measures gauge pressureC. Measures the difference between two pressuresD. Measures atmospheric pressure
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What is the purpose of a safety valve in a.
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A. To regulate flow rateB. To control temperatureC. To measure pressureD. To prevent overpressure
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How does a centrifugal pump work to move fluids? |.
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A. Positive displacementB. Gravity feedC. Siphon actionD. Centrifugal force
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What is the principle behind the operation of a hydraulic.
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A. Bernoulli's principleB. Archimedes' principleC. Pascal's principleD. Newton's third law
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Describe the function of a Zener diode in a voltage.
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A. To amplify the signalB. To rectify AC voltageC. To act as a voltage reference and regulatorD. To protect against overcurrent
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What is the role of a filter in a power.
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A. To increase voltageB. To decrease voltageC. To smooth out pulsating DC voltageD. To amplify the signal
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Explain the operation of a full-bridge rectifier. | rectifier utilizes.
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A. It uses one diode to rectify the AC waveformB. It uses two diodes to rectify the AC waveformC. It uses three diodes to rectify the AC waveform
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How does a boost converter increase voltage? | voltage boost.
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A. By using a transformerB. By using a capacitorC. By using an inductor and a switching elementD. By using a resistor