GATE IN topic:process-control PYQs & Answers — Page 36 — Exam Papers

Questions 351–360 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 36 of 65

A 300 V, 5 A, LPF wattmeter has a full scale of 300 W. The wattmeter can be used for loads supplied by 300 V ac mains with a maximum power factor of __________ (rounded off to one decimal place).

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A 10-bit ADC has a full-scale of 10.230 V, when the digital output is (11 1111 1111)₂. The quantization error of the ADC in millivolt is _________.

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A strain gage having nominal resistance of 100

has a gage factor of 2.5. If the strain applied to the gage is 100

m/m, its resistance in ohm will change to __________ (rounded off to two decimal places).

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Given: Density of mercury is 13,600 kg/m³ and acceleration due to gravity is 9.81 m/s². Atmospheric pressure is 101 kPa. In a mercury U-tube manometer, the difference between the heights of the liquid in the U tube is 1 cm. The differential pressure being measured in pascal is ______ (rounded off to the nearest integer).

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A piezoresistive pressure sensor has a sensitivity of 1 (mV/V)/kPa. The sensor is excited with a dc supply of 10 V and the output is read using a 3 ½ digit 200 mV full-scale digital multimeter. The resolution of the measurement set-up, in pascal is ___.

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An amplitude modulation (AM) scheme uses tone modulation, with modulation index of 0.6. The power efficiency of the AM scheme is ____ % (rounded off to one decimal place).

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When the movable arm of a Michelson interferometer in vacuum (

) is moved by 325

m, the number of fringe crossings is 1000. The wavelength of the laser used in nanometers is _____.

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Consider the function

. The minimum value of the function in the interval [5, 10] is ___.

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Let

be defined in the complex plane. The integral

over the contour of a circle

with center at the origin and unit radius is ____.

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The determinant of the matrix M shown below is ____.

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