Type training · Boeing 757 B1.1 · ATA 71–72, 77, 79

Boeing 757 B1.1: RB211-535E4 Engine and Oil (ATA 71–72, 77, 79)Type training questions & answers

Power plant, cowlings and mounts, engine modules, EPR, N1/N2/N3, EGT, vibration monitoring and the oil system.

Start practising →42 questions · free preview available

Sample RB211-535E4 Engine and Oil questions with answers

Three questions from the free preview. Think of your answer first, then open the explanation.

  1. 1.What type of engine is the RB211-535E4?

    • A.Three-shaft, geared turbofan
    • B.Two-shaft, high bypass turbofan
    • C.Three-shaft, high bypass
    Show answer and explanation

    Correct answer: C. Three-shaft, high bypass

    The LP (N1), IP (N2) and HP (N3) rotors turn independently. The engine also supplies electric, hydraulic and pneumatic power.

  2. 2.What is the takeoff thrust rating of the RB211-535E4 on the 757?

    • A.40,100 lb
    • B.37,400 lb
    • C.43,500 lb
    Show answer and explanation

    Correct answer: A. 40,100 lb

    The bypass ratio is 4.1:1 and the overall compressor ratio 25.8:1. The data plate thrust is the sea level equivalent of the rating at 3,000 ft.

  3. 3.What drives the fan (LP compressor)?

    • A.A single-stage LP turbine
    • B.The IP turbine through a gearbox
    • C.A three-stage LP turbine
    Show answer and explanation

    Correct answer: C. A three-stage LP turbine

    Single-stage IP and HP turbines drive the six-stage IP and six-stage HP compressors.

Practise all 42 RB211-535E4 Engine and Oil questions →

Part of the Boeing 757 B1.1 type course

One chapter of the Boeing 757 B1.1 type course question bank, for the 757-200 with Rolls-Royce RB211-535E4 engines, written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority: limits and procedures can differ between airframes and operators.

All Boeing 757 B1.1 chapters →

More Boeing 757 B1.1 chapters

Start practising →All Boeing 757 B1.1 chapters