If power of turbines equals PT, power consumed by pumps is PP and the – McqOptions

MCQOPTIONS

1.	If power of turbines equals P_T, power consumed by pumps is P_P and the power consumed by auxiliaries is P_A, what is the expression for auxiliary power?
A.	P<sub>A</sub> = P<sub>P</sub> P<sub>T</sub>
B.	P<sub>A</sub> = P<sub>P</sub> + P<sub>T</sub>
C.	P<sub>A</sub> = P<sub>T</sub> P<sub>P</sub>
D.	P<sub>A</sub> = P<sub>T</sub> x P<sub>P</sub>
Answer» D. P<sub>A</sub> = P<sub>T</sub> x P<sub>P</sub>

Discussion

No Comment Found

Related MCQs

If the pressure rise P across a pump is half the discharge pressure, then which of the following relates the suction pressure P<sub>s</sub> to discharge pressure p<sub>d</sub>?
If L represents torque, and the subscripts T, o, f, b denotes the turbopump, oxidizer pump, fuel pump and bearings respectively, then which of the following expressions is true when there are no gears in a particular turbopump?
Which of the following expressions is true when there are no gears in a particular turbopump?
The power is expressed as the product of torque and ____________
If power of turbines equals P<sub>T</sub>, power consumed by pumps is P<sub>P</sub> and the power consumed by auxiliaries is P<sub>A</sub>, what is the expression for auxiliary power?
If the gear ratio for fuel pump is thrice that of the oxidizer pump, the sha<sub>f</sub>t speed of fuel pump is ____________ the oxidizer pump.
In a turbopump, what are are the gear ratios for a<sub>o</sub> and a<sub>f</sub> (for oxidizer pump and fuel pump respectively) if no gears are used?
What is the total mass flow rate through the gas generator if the oxidizer flow through it is 15 kg/s and fuel flow is 18 kg/s?
The fuel flow (m<sub>f</sub>) through the gas generator is ____________ if its flow rate through the pump is 18 kg/s and through the thrust chamber is 10 kg/s.
The oxidiser flow (m<sub>o</sub>) through the gas generator is ____________ if its flow rate through the pump is 10 kg/s and through the thrust chamber is 5 kg/s.