Vikram Sarabhai Space Centre Scientist/ Engineer Chemical Paper 2017
| 1 | A System in which mass and energy are not allowed to cross the boundary is called _____
(a) Closed system (b) Exclusive system (c) Isolated system (d) Special system |
| 2 | Degree of freedom for a 2 component liquid-liquid extraction operation
(a) 1 (b) 3 (c) d (d) None of the above |
| 3 | The amount of the heat released when 25 ml of 0.5 M alkali is mixed with stoichiometric quantity of acid is ‘Z’ kJ. Estimate heat of neutralisation
(a) 100 Z (b) 125 Z (c) 80 Z (d) 20 Z |
| 4 | What is the thermodynamic temperature scale in the English system
(a) Kelvin scale (b) Absolute scale (c) Fahrenheit scale (d) Rankine scale |
| 5 | When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is
(a) > 1 (b) < 1 (c) 1 (d) 0 |
| 6 | Conversion increases with increase in temperature in case of a ______ reaction.
(a) Autocatalytic (b) irreversible (c) reversible endothermic (d) reversible exothermic |
| 7 | At high Reynolds number
(a) interial forces control and viscous forces are unimportant (b) viscous forces predominate (c) inertial forces are unimportant and viscous forces control (d) None of these |
| 8 | Bernoulli’s equation cannot be applied when the flow is
(a) turbulent (b) rotational (c) unsteady (d) All of the above |
| 9 | According to Kick’s law of grinding, the energy required to crush a given quantity of material from 100 mm to 50 mm size is E1 and energy required to crush the same quantity of material from 12 mm to 6 mm size is E2, Then
(a) E1 = E2 (b) E1 > E2 (c) E1 < E2 (d) None of these |
| 10 | Equation of continuity is a mathematical expression for
(a) Law of conservation of mass (b) Law of conservation of momentum (c) Law of conservation of energy (d) None of these |
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