Combustion Engg_ Final Exam

 

Which is of the process where work done is zero?

• Isentropic       

• Polytropic       

• Isometric

• Isobaric

What is the ideal cycle for gas turbine work?

• Brayton cycle

• Stag combined cycle

• Bottom cycle

• Ericson cycle

What do you call the passing of heat energy from molecule to molecule through a substance.

• Conduction

• Radiation

• Conservation

• Convection

Air standard efficiency of a diesel engine depends on

• Speed 

• Compression ratio

• Fuel    

• Torque

The internal combustion engine never work on _____________ cycle

• Rankine

• Diesel

• Dual combustion

•  Otto

What is an apparatus used in the analysis of combustible gases?

• calorimeter differential

• calorimeter gas

• calorimetry

• calorimeter

If the fluid travels parallel in the adjacent layers and the paths of individual particles do not cross. the flow is said to be:

• Turbulent

• Critical

• Dynamic

• Laminar

In NFPA 10 standard for portable fire extinguishers; classification of hazards “as locations where the quantity and combustibility of Class A combustibles and Class B flammables are low and fires with relatively low rates of heat release are expected.”

• Light hazard

• Ordinary hazard

• Extra hazard

• None of the above

Class _____ fires are fires in flammable liquids, combustible liquids, and flammable gases.

• Class A fires

• Class B fires

• Class C fires

• Class D fires

Combustion is a scientific word for:

• exploding

• burning

• evaporating

• getting hotter