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Consider the following statements: 1. If x is directly proportional to z and y is directly proportional to z, then (x2 - y2) is directly proportional to z2. 2. If x is inversely proportional to z and y is inversely proportional to z, then (xy) is inversely proportional to z2. Which of the above statements is/are correct?
How is the degree of emulsion polymerization related to the monomer concentration, and the rate of radical generation, Ri? , inversely proportional to Ri b) inversely proportional to Ri, directly proportional to . c) directly proportional to Ri, independent of . d) directly proportional to , independent of Ri
Consider the following statement for a ball falling in a viscous fluid: a) The viscous force is directly proportional to the radius of the ball b) The viscous force is directly proportional to the velocity of the ball c) The viscous force is inversely proportional to the radius of the ball d) The viscous force is inversely proportional to the velocity of the ball Which of the above statements are correct?
p is directly proportional to q, but indirectly proportional to r, while r is directly proportional to s. Which of the following statement is true?
Turbulence decreases the heat flow to the cylinder wall and in the limit excessive turbulence may extinguish the flame.
Which combination of the following statements about steady incompressible forced vortex flow is correct ? P.  Shear stress is zero at all points in the flow. Q.  Vorticity is zero at all points in the flow. R.  Velocity is directly proportional to the radius from the centre of the vortex. S.  Total mechanical energy per unit mass is constant in in the entire flow.
Which of the following terms means the tendency of a supervisor to rate a subordinate lower than his performance? 1. Horns Effect 2. Halo Effect 3. Central Tendency 4. Pointing Tendency
If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
Which of the given two statements A and B is/are true? What is the force of gravity: A. It is directly proportional to the product of the masses of the two objects. B. It is directly proportional to the square of the distance between two objects.
Consider the following statements on Boyle's law. 1. It states that the pressure exerted by a gas is directly proportional to the volume occupied by it. 2. It states that the volume of an ideal gas is directly proportional to the absolute temperature at constant pressure. Which among the above statements is/are correct.