ICE

Question 1

Brake power equation

Answer 1

P(b) = T ⋅ ω
Brake power = Torque ⋅ Angular speed

Question 2

Angular speed equation

Answer 2

ω = 2πN / 60
​Angular speed = (2π Engine Speed) / 60

Question 3

Angular speed units

Answer 3

(rads/s) Radians per second

Question 4

Brake power units

Answer 4

Watts or kW

Question 5

Volumetric flow rate of fuel Equation

Answer 5

V(dot) = V / t
V(dot) = Volume of fuel consumed / time

Question 6

1 Litre is how many meters cubed?

Answer 6

1L = 0.001 meters cubed

Question 7

Mass Flow rate of fuel Equation

Answer 7

m(dot) = ρ ⋅ V(dot)
˙Mass flow rate of fuel = density ⋅ Volumetric flow rate

Question 8

Mass flow rate of fuel Units

Answer 8

kg/s

Question 9

Volumetric flow rate of fuel units

Answer 9

meters cubed per second

Question 10

Input Power Equation

Answer 10

P(in) = Mass flow rate of fuel ⋅ Calorific value of fuel
P(in) = m(dot) ⋅ CV

Question 11

Mechanical Efficiency

Answer 11

η = P(b) / P(in) ⋅ 100
Mechanical Efficiency = Brake power / Input Power

Question 12

Specific Fuel Consumption (SFC) Equation

Answer 12

SFC = Fuel used / Power output

Question 13

Specific Fuel Consumption (SFC) units

Answer 13

kg/kWh
kilogram per kilowatt hour

Question 14

Fuel used equation

Answer 14

Fuel Used = m(dot) x 3600
Fuel Used = mass flow rate x 3600

Question 15

fuel used units

Answer 15

kg/h
Kilogram per hour

Question 16

Heat absorbed by cooling water equation

Answer 16

Q = m(dot) ⋅ C ⋅(Tin - Tout)
Heat transferred = Mass flow rate of water ⋅ SPC of water ⋅ ( Temp(in) ⋅ Temp(out) )

Question 17

1 hour is how many seconds?

Answer 17

3600 seconds