ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 31


If the velocity of projection is u m/sec and the angle of projection is. $$\alpha^\circ$$, the maximum height of the projectile on a horizontal plane is

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 32


If air is heated without changing its moisture content, the dew point will

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 33


In a tensile testing experiment on a specimen of 1 cm$$^2$$ area, the maximum load observed was 5 tonnes and neck area 0.25 cm$$^2$$. The ultimate tensile strength of specimenis

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 34


For a given material assume, Young’s modulus E = 300 GN/m$$^2$$ and modulus of rigidity G = 150 GN/m$$^2$$. Its bulk modulus K will be

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 35


A steel wire hangs vertically under its own weight. If its density is 10000 kg/m$$^3$$ and allowable stress is 3000 kg/cm$$^2$$ then how muchlength it can sustain.

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 36


Laser is produced by

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 37


M.I. of a triangular section of base a and height h about an axis passing through its c.g. and parallel to base is

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 38


To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 39


Film coefficient is defined as

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2015 - Question 40


The longitudinal stress induced in a thin walled cylindrical vessel is

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