5 cause of a electrical problem

A heat engine receives heat from a source at 1000∘C and rejects the waste heat to a sink at 50∘C. If heat is supplied to this engine at a rate of 100 kJ/s, the maximum power this heat engine can produce is (a) 25.4 kW (b) 55.4 kW (c) 74.6 kW (d) 95.

A brass alloy is known to have a yield strength of 275 MPa, a tensile strength of 380 MPa, and an elastic modulus of 103 GPa. A cylindrical specimen of this alloy 12.7 mm in diameter and 250 mm long is stressed in tension and found to elongate 7.

An 80-percent-efficient pump with a power input of 30 hp is pumping water from a lake to a nearby pool at a rate of 1.5 ft3/s through a constant-diameter pipe. The free surface of the pool is 80 ft above that of the lake.

Before cutting coarse screw threads, the operator should lubricate: A. The leadscrew and gearbox B. The ways and cross slide C. The carriage and half-nuts D. A1l of the above

What is 90 to the power of 46

Though still is on the margins of the global agro-food system, organic farming practices are on the rise in the core. In growing crops and raising livestock organically, which of the following are permitted? composted cow manure

Technician A says that a magnetic field can be created by current flow. Technician B says that current can be induced by moving a wire through a magnetic field. Who is right?

9.17 LAB: Name format Many documents use a specific format for a person's name. Write a program whose input is: firstName middleName lastName, and whose output is: lastName, firstName middleInitial.

16 Suppose that a steel of eutectoid composition is cooled to 550°C (1020°F) from 760°C (1400°F) in less than 0.5 s and held at this temperature.

The rotor in a shaded pole motor consists of A coils energized by alternating current B a short circuited loop of copper wire c a permanent magnet D an iron cylinder