Find the angular speed after the grindstone

Reference no: EM1312033

Q1. A constant torque of 29.0 Nm is applied to a grindstone whose moment of inertia is 0.130kgm2. Using energy principles, and neglecting friction, find the angular speed after the grindstone has made 15.50 revolutions.

Q2. Refrigerant-134a enters a compressor at 180 kPa as a saturated vapour with a flow rate of 0.35 m3/min and leaves at 700 kPa. The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature R-134a at the exit of the compressor?

Reference no: EM1312033

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