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Two objects A & B are immersed in water and their weights are measured using a spring balance. The following table is based on the readings obtained Object Weight of object in air (gm/Wt) Weight of object in water (gm/Wt) Weight of water displaced (gm/Wt) Force of up thrust acting on object (gm/Wt) A X 55 Y 10 B 80 Q 5 Z Which of the following values would complete the table correctly
An object is dipped in water, if the weight of the object measured by spring balance is 10 g and buoyancy force acting on the object is 0.1 N then what is the actual mass of the object?
Two identical synchronous machines with equal inertia constants are connected in parallel order and oscillating simultaneously. The effective inertia constant is 4 MJ / MVA. What will be the inertia constant of each machine?
The moment of inertia of a uniform sphere of radius, r about an axis passing through its centre is given by $$\frac{2}{5}\left( {\frac{{4\pi }}{3}{r^5}\rho } \right).$$    A rigid sphere of uniform mass density $$\rho $$ and radius R has two smaller spheres of radii $$\frac{R}{2}$$ hollowed out of it as shown in the figure given below.
Classical Mechanics mcq question image
The moment of inertia of the resulting body about Y-axis is
A torsional system with discs of moment of inertia $${I_1}$$ and $${I_2}$$ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to
Theory of Machine mcq question image
_________ may be measured qualitatively by an iodine solution or quantitatively by HCl extraction followed by colorimetric determination with iodine.
Consider the following statements
1. Bentham's hedonism is based on psychological hedonism.
2. JS Mill regards that pleasure must be measured both quantitatively and qualitatively.
Which of the following statements are correct? i)The natural tendency of objects to resist a change in their state of rest or of uniform motion is called inertia. ii) The mass of an object is a measure of its inertia. iii) SI unit of mass is kg.
The weights of three objects X, Y and Z measured on three celestial bodies are listed in the box. (g on the Moon, Jupiter and Mercury are 1.7 m s-2, 25.4 m s-2 and 3.8 m s-2 respectively)  Object X on the Moon is 340 N.  Object Y on Jupiter is 6096 N.  Object Z on Mercury is 399 N. Which of the following sequences shows X, Y, and Z in ascending order of their masses?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. It is obviously wrong as the cost of school uniform, books and stationery, and transport, ________ all are under the monopoly of the school, arenot included. ______________ private schools want additional money for special occasions like festivals, picnics, ______________ and projects.And they often recommend tuition for the children. None of this ______________ in this cost calculation. However, the family __________ thisburden and these items add significantly to the revenue of private schools. ______________ private schools want additional money