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
How does a relay work as an electrically operated switch?
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A. By amplifying the input voltageB. By storing electrical energyC. By using a small current to switch a larger currentD. By converting AC to ...
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What is the purpose of a transformer in electrical power.
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A. To convert AC to DCB. To amplify the currentC. To change the voltage of ACD. To store electrical energy
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Explain the concept of feedback in control systems. | negative.
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A. The process of amplifying the input signalB. The process of measuring the output and using it to adjust the inputC. The process of isolating the system from ...
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What is the purpose of a diode in an electronic.
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A. To amplify signalsB. To store electrical energyC. To allow current flow in one directionD. To regulate voltage frequency
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Describe the function of a capacitor in an electrical circuit.
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A. To regulate current flowB. To store electrical energy in a magnetic fieldC. To amplify electrical signalsD. To store electrical energy in an electric ...
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What are the key differences between AC and DC motors?
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A. DC motors are smaller and lighter than AC motorsB. AC motors require more maintenanceC. DC motors have simpler constructionD. AC motors are generally ...
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Explain the concept of signal-to-noise ratio (SNR) in communication systems.
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A. The ratio of signal power to data rateB. The ratio of noise power to bandwidthC. The ratio of signal power to noise powerD. ...
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How does a transistor function as a switch in digital.
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A. By amplifying the input signalB. By acting as a voltage regulatorC. By controlling current flow between collector and emitterD. By generating its own ...
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What is the role of a microcontroller in embedded systems?
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A. To act as a simple memory storage unitB. To provide power to the systemC. To control and manage the system's operationsD. To provide ...
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What is the purpose of a microcontroller in an embedded.
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A. To provide external powerB. To store large amounts of dataC. To control the operation of the embedded systemD. To connect to external networks ...