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Q. The molecular formula of the predominant chemical compound in commercial sugar is (A) C12H22O11 (B) C12H24O12 (C) C6H10O5 (D) C6H12O6 Ans: C12H22O11
READ MORE +Q. The molecular formula of the predominant chemical compound in commercial sugar is (A) C12H22O11 (B) C12H24O12 (C) C6H10O5 (D) C6H12O6 Ans: C12H22O11
READ MORE +Q. Polyvinyl chloride is produced by A. co-polymerization B. addition-type kinetics C. reacting chlorine with polyethylene D. reacting hydrochloric acid with polyethylene Ans: addition-type kinetics
READ MORE +Q. In connection with petroleum refining, identify the incorrect statement among the following options. A. Desalting of crude oil is done before processing it in atmospheric distillation unit B. A stream of hydrogen is produced in catalytic reforming of naphtha C. Asphalt used for paving ...
READ MORE +Q. Segmental baffles in a 2-4 shell and tube heat exchanger A. change the flow pattern of the tube side fluid and increase the overall heat transfer co- efficient B. increase the heat transfer coefficient in the shell side and support the tubes C. help to reduce the thermal expansion of ...
READ MORE +Q. Critical speed of a ball mill depends on A. the radius of the mill (shell) and the radius of the particles B. the radius of the mill (shell) and the density of the particles C. the radius of the balls and the radius of the particles D. the radius of the balls and the radius of the ...
READ MORE +Q. The terminal velocity of a spherical particle in gravitational settling under Stokes’ regime varies A. linearly with the particle diameter B. linearly with the viscosity of the liquid C. directly with the square of particle diameter D. inversely with the density of particle Ans: ...
READ MORE +Q. A watch uses two electronic circuits (ECs). Each EC has a failure probability of 0.1 in one year of operation. Both ECs are required for functioning of the watch. The probability of the watch functioning for one year without failure is (A) 0.99 (B) ...
READ MORE +Q. An aerial photograph of a terrain having an average elevation of 1400 m is taken at a scale of 1:7500. The focal length of the camera is 15 cm. The altitude of the flight above mean sea level (in m, up to one decimal place) is _ Ans: 2520 - 2530 Sol: Average elevation (h) =1400 m, ...
READ MORE +Q. A 7.5 m wide two-lane road on a plain terrain is to be laid along a horizontal curve of radius 510 m. For a design speed of 100 kmph, super-elevation is provided as per IRC: 73- 1980. Consider acceleration due to gravity as 9.81 m/s2. The level difference between the inner and outer edges of ...
READ MORE +Q. The space mean speed (kmph) and density (vehicles/km) of a traffic stream are linearly related. The free flow speed and jam density are 80 kmph and 100 vehicles/km respectively. The traffic flow (in vehicles/h, up to one decimal place) corresponding to a speed of 40 kmph is Ans: 2000 ...
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