11. Ten bagels is what percentage of a dozen bagels?

a. 16.7%

b. 76.9%

c. 81.4%

d. 83.3%

What is the average speed of a car that travels 80km in 1.5 hours

A 600 MW coal-fired power plant has an overall thermal efficiency of 38%. It is burning coal that has a heating value of 12,000 Btu/lb, an ash content of 5%, a sulfur content of 3.0%, and a CO2 emission factor of 220lb/million Btu.

Technician A says that horsepower equals the ability to perfoem work at a rate of 33,000 foot-pounds per minute. Technician B says that in many vehicles, as little as 15% of the potential energy in the fuel is delivered to the drive wheela.

Welding never causes residual stresses in the work piece, which may result in distortion stress corrosion cracking, and reduced fatigue life. (True / False)

Tech A says never use a water hose to clean up dust after a repair. Tech B says never use a floor scrubber to clean up dust after repairs. Who is correct?

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