Multiple Choice Question (MCQ)
Question: What is the purpose of needle valve in carburetor?
A.
Decrease the fuel pressure
B.
Excess supply of fuel at idle
C.
Always holds correct level of fuel
D.
Controls the air flow of the engine
Correct Answer: Always holds correct level of fuel
Explanation
Power is the rate of doing work or workdone per unit time. In S.I. system of units, the unit of power is watt (briefly written as W) which is equal to 1 N-m/s or 1 J/s.
Generally a bigger unit of power called kilowatt (briefly written as kW) is used which is equal to 1000 W.