Recent questions in First Year Engineering

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Draw the projections of following points on a common reference line keeping the distance between their

asked Apr 23, 2022 in Engineering Drawing by Doubtly (98.9k points)

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A line AB, 70mm long, has its end A 15mm above HP and 20mm in front of VP.

asked Apr 23, 2022 in Engineering Drawing by Doubtly (98.9k points)

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The distance between the end projectors of a line AB is 40 mm. The end point A is 15 mm above HP and 20 m in from

asked Apr 22, 2022 in Engineering Drawing by Doubtly (98.9k points)

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The F.V. and T.V. of a line AB measures 50 mm and 60 mm respectively. The line is 70 mm long.

asked Apr 22, 2022 in Engineering Drawing by Doubtly (98.9k points)

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Draw a helix of pitch equal to 70 mm on a cylinder of 60 mm diameter

asked Apr 22, 2022 in Engineering Drawing by Doubtly (98.9k points)

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A wheel of 56 mm diameter rolls downwards on avertical wall for half revolution and then on the horizontal floor

asked Apr 22, 2022 in Engineering Drawing by Doubtly (98.9k points)

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Explain the Dulong’s formula

asked Apr 19, 2022 in Engineering Chemistry 2 by Doubtly (98.9k points)

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Give a brief account of proximate analysis of coal .

asked Apr 19, 2022 in Engineering Chemistry 2 by Doubtly (98.9k points)

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what is Calorie ?

asked Apr 19, 2022 in Engineering Chemistry 2 by Doubtly (98.9k points)

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Characteristics of Good Fuel

asked Apr 19, 2022 in Engineering Chemistry 2 by Doubtly (98.9k points)

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Monochromatic light of wavelength 6560 A0 falls normally on a grating 2 cm wide. The first order

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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What is the longest wavelength that can be observed in the 3rd order for a transmission grating having 7000 lines/cm

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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A monochromatic light from He-Ne laser λ=6328A0 is incident normally on a diffraction grating having 6000 lines/cm.

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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In an experiment with grating,3rd order spectral line of wavelength λ coincides with the 4th order spectral

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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A diffraction grating used at normal incidence gives a line 5400Ao in certain order superimposed

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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How many orders will be observed by grating having 4000 lines per cm,if it is illuminated by light of wavelength

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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A light of wavelength 6500 A0 falls normally on a grating surface. The first order spectrum is obtained

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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In plane diffraction grating the angle of diffraction for the second order maximum for the wavelength 5000Ao is 30

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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A parallel beam of monochromatic light is incident on a plane transmission grating having 3000 lines/cm

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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Calculate the highest order spectrum that can be obtained by a monochromatic light of wavelength 6000A0 by a grating

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

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