Final Private Pilot Exam B questions with correct answers

On aircraft equipped with fuel pumps, when is the auxiliary electric driven pump used? - Answer in the event engine-driven fuel pump fails While cruising at 9,500 feel MSL, the fuel/air mixture is properly adjusted. What will occur if a descent for 4,500 feet MSL, is made without readjusting the mixture? - Answer The fuel/air mixture may become excessively lean What change occurs in the fuel/air mixture when carburetor heat is applied? - Answer the fuel/air mixture becomes richer The presence of carburetor ice in an aircraft equipped with a fixed-pitch propeller can be verified by applying carburetor heat and noting - Answer a decrease in rpm and then a gradual increase in rpm The uncontrolled firing of the fuel/air charge in advance of normal spark ignition is known as - Answer pre-ignition Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates - Answer true altitude and field elevation Under what condition is indicated altitude the same as true altitude? - Answer When at sea level under standard conditions As altitude increases, the indicated airspeed at which a given airplane stalls in a particular configuration will - Answer remain the same regardless of altitude