Describe the are of mechanical engineering

5.46 By supplying energy at an average rate of 24,000 kJ/h, a heat pump maintains the temperature of a dwelling at 20°C. If electricity costs 8.

Kirchhoff's junction law says that the total current into a junction must equal the total current leaving the junction. a. True b. False

A thin-walled pressure vessel is constructed by rolling a 6 mm thick steel sheet into a cylindrical shape, welding the seam along line A-B, and capping the ends. The vessel is subjected to an internal pressure of 1.25 MPa.

Give me uses of a grinding machine in agriculture.

When performing a cranking sound diagnosis, a cylinder with no compression produces a (n): A. even cranking sound B. Slow cranking sound C. uneven cranking sound D. fast cranking sound

2. How can manual SA welding gun movement be performed?

The format_address function separates out parts of the address string into new strings: house_number and street_name, and returns: "house number X on street named Y".

A hard real-time system has been developed to for a fly-by-wire aviation system. It has sensors for the following pilot interface systems: System Sampling Frequency (Hz) CPU time required (ms) Yoke 20 5 Rudder pedals 15 2 Throttle 10 1 Overhead of

An insulated rigid tank of volume 8 m3 initially contains air at 600 kPa and 400 K. A valve connected to the tank is opened, and air escapes until the pressure inside the tank is 200 kPa.

Eutectic product in Fe-C system is called A. Pearlite B. Bainite C. Ledeburite D. Spheroidite