Exam Details
2016 Mechanical Engineering Paper - I_2
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Questions
120
Duration
180 mins
Package
Indian Economic Service and Indian Statistical Service Examination - Previous Year Papers
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120questions
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Medium
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120questions
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2016 · Unclassified
2016 Mechanical Engineering Paper - I_2
In a differential manometer, a head of 0.5 m of fluid A in limb 1 is found to balance a head of 0.3 m of fluid B in limb 2. The atmospheric pressure is 760 mm of mercury. The ratio of specific gravities of A to B is:
2016 · Unclassified
2016 Mechanical Engineering Paper - I_2
Consider the following processes :
1. Extension of a spring
2. Plastic deformation of a material
3. Magnetization of a material exhibiting hysteresis
Which of the above processes are irreversible ?
2016 · Unclassified
2016 Mechanical Engineering Paper - I_2
Which of the following statements are correct for a throttling process ?
1. It is an adiabatic steady flow process
2. The enthalpy before and after throttling is same
3. In the process, due to fall in pressure, the fluid velocity at outlet is always more than inlet velocity
2016 · Unclassified
2016 Mechanical Engineering Paper - I_2
A Reversed Carnot Engine removes 50 kW from a heat sink. The temperature of the heat sink is 250 K and the temperature of the heat reservoir is 300 K. The power required of the engine is :
2016 · Unclassified
2016 Mechanical Engineering Paper - I_2
A heat engine receives heat at the rate of 2500 kJ/min and gives an output of 12.4 kW. Its thermal efficiency is, nearly :
2016 · Unclassified
2016 Mechanical Engineering Paper - I_2
One reversible heat engine operates between 1000 K and T2. K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then the temperature T2 must be equal to :