1. Quiz about
HEAT ENGINE
Physics, 10 th grade

2. Question 1
The heat engine is a device which
A. integrally transforms
heat into mechanical
work
C. Delivers heat using the
change in internal
energy
B. delivers mechanical
work due to changes
in internal energy
D. delivers to the exterior
mechanical work
during each iteration
of cycling
transformation

3. Question 2
The cyclic process behind Otto engine functioning is
A. Two adiabatic and two
isothermal
C. Two isotermal and two
isochoric
B. Two adiabatic, an
isobaric and an
isochoric
D. Two adiabatic and two
isochoric

4. Question 3
During the function of the Otto engine, substances makes
heat exchange
A. During isobaric
compression
C. During the third
operation time
B. During the two
isochoric processes
D. During the compression
of the gas mixture

5. Question 4
Let’s consider Ott engine. The work substance cools
isochoric in :
A. Stroke 4
C. Stroke 3
B. Stroke 2
D. Stroke 1

6. Question 5
Otto engine is considered. Fuel ignition :
A. Is due to the isobaric
warming of the work
substance
C. Occurs due to the
arming of the working
substance during the
adiabatic compression
B. Occurs as it is
introduced into the
cylinder
D. Occurs as a result of
the spark triggered by
the spark plug

7. Question 6
The cyclical process behind Diesel engine functioning
consist of:
A. Two adiabatic and two
isochoric
C. Two adiabatic and two
isothermal
B. Two isothermal and
two isochoric
D. Two adiabatic, an
isochoric and an
isobaric

8. Question 7
The estimated population of [your topic] is:
A. The third stroke
C. The fuel used
B. The way the fuel is
ignited
D. The fourth stroke

9. Question 8
The Diesel engine tends to replace Otto engine as:
A. It uses less fuel
C. it has higher yield
B. The combustion of
the fuel is better

10. Question 9
If the plan in the image 2 refers to the Diesel engine, it is in
progress:
A. The evacuation of
gases resulted from
the Diesel fuel
combustion
C. Adiabatic
compression of air
B. Atmospheric air intake
D. Isochoric combustion
of the fuel introduces
into the cylinder

11. Key
 1) D
 2) D
 3) B
 4) A
 5) B
 6) D
 7) C
 8) C
 9) C