Exam Details
2024 Paper - II Mechanical Engineering
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Questions
150
Duration
180 mins
Package
Indian Economic Service and Indian Statistical Service Examination - Previous Year Papers
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150questions
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50
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Easy
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150questions
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Sample questions from this paper
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2024 · Unclassified
2024 Paper - II Mechanical Engineering
Consider the following statements :
1. Viscosity of liquid increases with increase in temperature.
2. Viscosity of gas decreases with increase in temperature.
3. In liquids, cohesive forces predominate the molecular momentum transfer.
4. In gases, cohesive forces are small and the molecular momentum transfer predominates.
Which of the above statements are correct?
2024 · Unclassified
2024 Paper - II Mechanical Engineering
A fluid in which shear stress is more than the yield value and shear stress is proportional to the rate of shear strain is known as
2024 · Unclassified
2024 Paper - II Mechanical Engineering
Two horizontal plates are placed 1.25 cm apart, the space between them being filled with an oil of viscosity 15 poises. What is the shear stress in the oil if the upper plate is moved with a velocity of 2.5 m/s?
2024 · Unclassified
2024 Paper - II Mechanical Engineering
What is the capillary rise in a glass tube of 2.0 mm diameter when immersed vertically in mercury? (Take surface tension of mercury as 0.52 N/m. The specific gravity of mercury is 13.6 and the angle of contact is 130°)
2024 · Unclassified
2024 Paper - II Mechanical Engineering
Consider the following statements :
1. One end of piezometer is connected to the point where pressure is to be measured and the other end is open to the atmosphere.
2. Inverted U-tube differential manometer is used to measure high pressure.
3. U-tube differential manometer contains heavy liquid.
Which of the above statements are correct?
2024 · Unclassified
2024 Paper - II Mechanical Engineering
A circular opening, 3 m diameter, in a vertical side of a tank is closed by a disc of 3 m diameter which can rotate about a horizontal diameter. What is the force on the disc if the head of water above the horizontal diameter is 5 m?