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One hundred kilogram spice is extracted for essential oil using twice the amount of a pure organic solvent. The extracted solid mass contains 5% residual oil (oil-free solid mass basis). The liquid extracted mass contains 20% oil. Assume no solvent i1 AnswerA circular solid disc of uniform thickness 20 mm, radius 200 mm and mass 20 kg, is used as a flywheel. If it rotates at 600 rpm, the kinetic energy of the flywheel, in Joules is -Mechanical Engineering-gate-20121 AnswerMass transfer coefficient for equimolar counter-diffusion of water vapour in air is 0.4 m s^-1(based on concentration difference). Mass diffusivity of water vapour in air is 3 ×10-4 m^2s^-1. For 100 µm diameter droplet, the Sherwood Number (NSh) is1 Answer The above p-v diagram represents the thermodynamic cycle of an engine, operating with an ideal monoatomic gas. The amount of heat, extracted from the source in a single cycle is : - physics 20131 AnswerA mass-spring-dashpot system with mass m = 10 kg, spring constant k = 6250 N/m is excited by a harmonic excitation of 10 cos(25t) N. At the steady state, the vibration amplitude of the mass is 40 mm. The damping coefficient (c, in N.s/m) of the dashp1 AnswerYou find your mass to be 42 kg on a weighing machine. Is your mass more or less than 42 kg? - Physics Cbse class 11 1 AnswerWhat is the relation between equivalent mass of a base and its molecular mass ?1 AnswerIdentify the type of the following invariant reaction: liquid 1 + solid 1 ⇌ solid 2 (-Gate metallurgical engineering 2014)1 AnswerCalculate the number of aluminium ions present in 0.051 g of aluminium oxide. CBSE- Class9- Chemistry 20131 AnswerThe damping ratio of a single degree of freedom spring-mass-damper system with mass of 1 kg, stiffness 100 N/m and viscous damping coefficient of 25 N.s/m is _____.1 AnswerIn a time - of - flight mass spectrometer if q is the charge and m is the mass of the ionized species, then the time of fligh t is proportional to GATE-Instrumentation-Engineering-20141 AnswerWhat is the minimum energy required to launch a satellite of mass m from the surface of a planet of mass M and radius R in a circular orbit at an altitude of 2R ? - physics 20131 AnswerFind the minimum power required to maintain the flow of liquid in a pipe for a pressure drop of 100 kPa.1 AnswerDimethyl sulfoxide (DMSO) is used as a cryopreservant for mammalian cell cultures because GATE-Biotechnology1 AnswerAn annular disc has a mass m, inner radius R and outer radius 2R. The disc rolls on a flat surface without slipping. If the velocity of the centre of mass is v, the kinetic energy of the disc is: (-Gate mechanical 2014)1 AnswerFind the instantaneous acceleration of a 1.0 kg mass suspended from a spring constant of force constant 5.0 N/cm, when the spring is stretched 10.0 cm. The mass is initially at rest. -Physics CBSE class 11 20161 AnswerA mass m1 of 100 kg travelling with a uniform velocity of 5 m/s along a line collides with a stationary mass m2 of 1000 kg. After the collision, both the masses travel together with the same velocity. The coefficient of restitution is:1 AnswerTwo Cu-Ni alloys, one with 47 wt.% Ni and the other with 53 wt.% Ni, are kept in separate crucibles and are allowed to equilibrate at the same temperature T1 between the liquidus and the solidus. The two alloys have: (-Gate metallurgical engineering 1 AnswerCalculate the molar mass of the following substances. CBSE- Class9- Chemistry 20131 AnswerIn a screen separator, the mass flow rates of feed, overflow and underflow are 150, 140 and 10 kg h – 1 , respectively. Mass fraction of material in the feed and overflow are 0.9 and 0.96, respectively. The effecti1 Answer