What is the main purpose of the alternator?

to regulate the speed of the car

to keep the engine cool

to maintain constant oil pressure

to power the car's electrical system

Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. Determine (a) the exit temperature and (b) the exit pressure of the air

How much you react to a flashing red traffic light? A. Prepare to stop only if the light changes to red. B. Slow down and look for traffic; there is no need to stop. C. Stop if you see another road user getting ready to cross. D.

A meter stick can be read to the nearest millimeter and a travelling microscope can be read to the nearest 0.1 mm. Suppose you want to measure a length of 2 cm to a precision of 1%. Can you do this with the meter stick?

What is the black diamond at 19 3/16 on a tape measure used for?

Which two investment options would be best if you are 20 years old just starting to see if I want to retire when you're 70 consider the kind of investment rate of return level of risk and other factors

The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are95 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 7.2 MPa and thetemperature is 2150 K.

Explain two Types of bearing?

7 Single-use earplugs require a professional fitting before they can be used. A True B) False

Electric power is to be generated by installing a hydraulic turbine-generator at a site 138 m below the free surface of a large water reservoir that can supply water at a rate of 2400 kg/s steadily. Determine the power generation potential.

When the French horn plays with brass instruments, then it is played very softly to match the texture. True/False