BELL 412 - TYPE RATING QUIZ (Latest
Update ) Questions & Answers
{Grade A} 100% Correct
When will the nonessential bus be automatically powered? - correct answer Only
when both generators are on line
When starting both engines using external power, which Battery Bus switches must be
on? - correct answer Both... the No.1 & No.2 Battery Bus switches
What does the illumination of the EXTERNAL POWER caution panel light indicate? -
correct answer The external power door is open
Below what battery voltage is the use of external power recommended in the
checklist? - correct answer 20 Volts
,What is the minimum recommender N1 rpm to be attained before turning a generator
on? - correct answer 71% N1
What does the illumination of the DC GENERATOR caution panel light indicate? -
correct answer The generator relay is open and the generator is not online.
What does the illumination of the a GENERATOR OVHT caution panel light indicate? -
correct answer The generator cooling air is too hot.
What is the source of AC electrical power on the Bell 412? - correct answer Two solid
state inverters powered by the airframe DC power
Which AC electrical buses are lost if one inverter fails - correct answer No AC bus will
be lost.
,How are the No.1 and No.2 hydraulic pumps driven? - correct answer Mechanically by
the main transmission
How is the hydraulic electrical solenoid valve controlled? - correct answer By the
associated HYD SYS switch on the center pedestal and the other systems pressure
switch
The flow divider and dump valve: - correct answer Separate fuel flow between the
primary and secondary fuel manifolds and drain fuel from them after engine shutdown
Engine ignition occurs? - correct answer Only if the fuel switch is on and the starter is
activated.
, Power plant lubrication systems all function similar since they all follow the same
procedure of PCFU the oil. - correct answer Pressurizing, cooling, filter and using the
oil
There are four engine oil Pumps their function is: - correct answer One for pressure
and three for scavenge
The primary indication for low engine oil pressure is the engines: - correct answer Oil
pressure gauge
A loss of engine oil pressure results in: - correct answer A loss of engine torque
indication
Excessive engine oil temperature should be treaded in the same manner as? - correct
answer A loss of engine oil pressure
Update ) Questions & Answers
{Grade A} 100% Correct
When will the nonessential bus be automatically powered? - correct answer Only
when both generators are on line
When starting both engines using external power, which Battery Bus switches must be
on? - correct answer Both... the No.1 & No.2 Battery Bus switches
What does the illumination of the EXTERNAL POWER caution panel light indicate? -
correct answer The external power door is open
Below what battery voltage is the use of external power recommended in the
checklist? - correct answer 20 Volts
,What is the minimum recommender N1 rpm to be attained before turning a generator
on? - correct answer 71% N1
What does the illumination of the DC GENERATOR caution panel light indicate? -
correct answer The generator relay is open and the generator is not online.
What does the illumination of the a GENERATOR OVHT caution panel light indicate? -
correct answer The generator cooling air is too hot.
What is the source of AC electrical power on the Bell 412? - correct answer Two solid
state inverters powered by the airframe DC power
Which AC electrical buses are lost if one inverter fails - correct answer No AC bus will
be lost.
,How are the No.1 and No.2 hydraulic pumps driven? - correct answer Mechanically by
the main transmission
How is the hydraulic electrical solenoid valve controlled? - correct answer By the
associated HYD SYS switch on the center pedestal and the other systems pressure
switch
The flow divider and dump valve: - correct answer Separate fuel flow between the
primary and secondary fuel manifolds and drain fuel from them after engine shutdown
Engine ignition occurs? - correct answer Only if the fuel switch is on and the starter is
activated.
, Power plant lubrication systems all function similar since they all follow the same
procedure of PCFU the oil. - correct answer Pressurizing, cooling, filter and using the
oil
There are four engine oil Pumps their function is: - correct answer One for pressure
and three for scavenge
The primary indication for low engine oil pressure is the engines: - correct answer Oil
pressure gauge
A loss of engine oil pressure results in: - correct answer A loss of engine torque
indication
Excessive engine oil temperature should be treaded in the same manner as? - correct
answer A loss of engine oil pressure
