Answer:
a)
The crack and connecting rod is used in the design of car.This mechanism is known as slider -crank mechanism.
Components:
1.Inlet tube
2. Wheel
3. Exhaust
4. Engine
5.Air tank
6.Pressure gauge
7.Stand
8. Gate valve
b)
The efficiency of air engine is less as compare to efficiency of electric engine and this is not ecofriendly because it produce green house gases.These gases affect the environment.
c)
it can run around 722 km when it is full charge.
The answer to your quesition is b
Answer:
Option A
Explanation:
The size (volume) of the concrete pad is
cubic feet or 33.77 cubic yard
Cost of concrete per cubic yard dollars
Cost of concrete used in concrete pad is
dollar
The nearest answer to this question is option A