Exam 2

Question 1

Thermodynamic processes that result in no change in pressure are described as

Answer 1

Isobaric

Question 2

In reciprocating engines, the term that represents the max volume in the cylinder when the piston is fully withdrawn is called the __.

Answer 2

V_BDC (Bottom Dead Center)

Question 3

The exhaust cycle in a Diesel engine is considered to be what king of thermodynamic process?

Answer 3

Isometric

Question 4

The ignition of the ful occurs in an OTTO Cycle engine because:

Answer 4

The fuel air mixture is ignited by a spark plug

Question 5

The ignition of the fuel occurs in an Diesel cycle engine because:

Question 6

The quantity r_v is defined as the ratio of the volume at the beginning of the compression process to the volume at the end of the compression process

Answer 6

True

Question 7

Forced induction in an OTTO or Diesel cycle engine increases power by __.

Answer 7

Increasing the density of intake air

Question 8

Air fuel ratios for gasoline:

Answer 8

“Rich” - 11-15.2 (Stoic)

“Lean” - Stoic-20