#1
1st August 2014, 09:49 AM
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Special Class Railway Apprentices Exam Solved papers
Provide me question paper for Special Class Railway Apprentices Examination organized by UPSC ?
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#2
1st August 2014, 12:29 PM
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Re: Special Class Railway Apprentices Exam Solved papers
Here I am giving you question paper for Special Class Railway Apprentices Examination organized by UPSC in a file attached with it so you can get it easily. 1. Which of the following are correct ? A static fluid implies that 1. there will not be any shear force acting in a fluid element 2. the individual molecules of a fluid element are not in motion 3. the fluid can be assumed to be a rigid body Select the correct answer using the code given below (a) 1,2, and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only Sol. (a) Assuming ideal fluid we can say that all the statements are correct. 2. A planet with mass equal to eight times the mass of the Earth, has the same average density as the Earth. With g being the gravitational acceleration on the surface of the Earth, the gravitational acceleration on the surface of the planet is : (a) 8g (b) 4g (c) 8 g (d) 2g Sol. (d) 3. The pitch of a screw gauge is 0.5 mm. Its head scale contains 50 divisions. The least count of the screw gauge is : (a) 0.0001 cm (b) 0.0025 cm (c) 0.01 cm (d) 0.00 1 cm Sol. (d) 5. A body is acted upon by a force proportional to square of distance covered. If the distance covered is denoted by x, then work done by the force will be proportional to : (a) x (b) x2 (c) x3 (d) x–2 Sol. (c) F = Kx2 K = constant 6. If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then which of the following is/are correct ? 1. The process must be adiabatic 2. The process must be must decrease 3. The temperature of the gas must decrease Select the correct answer using the code given below : (a) 1 only (b) 1 and 3 (c) 2 (d) 3 only Sol. (b) – U = Wg 7. Which one of the following quantities is zero on an average for the molecules of an ideal gas in equilibrium ? (a) kinetic energy (b) density (c) speed (d) None of the above Sol. (d) All positive |
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