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Q2.a) With the aid of a block diagram describe the operation of an electronic governor fitted to a main engine

b) An engine fitted with an electronic governor behaves erratically during load changes. Explain the possible causes

c) Describe a device fitted in order to safeguard an engine in the event of sudden and complete removal of its load.

Q3. A. Describe briefly the operation of an electrical or hydraulic main engine governor

B. For the type described indicate how failure can occur and the action to be taken if immediate correction cannot be achieved and the engine must be operated.

Q8. i) What is a Mechanical Hydraulic Governor? (4)

ii) By drawing a suitable diagram, explain the working of a Mechanical Hydraulic Governor. (8)

iii) What is Speed Droop, describe the function of speed droop on the governor. (4)

Q1. (a) With the aid of a block diagram describe the operation of an electronic governor fitted to an auxiliary diesel engine. (8)

(b) An engine fitted with an electronic governor behaves erratically during load changes. Explain the possible causes. (8)

Q8. (a) With the aid of a block diagram describe the operation of an electronic governor fitted to an auxiliary diesel engine (10)

(b) State the reasons for fitting a droop governor to a diesel generator (6)

Q7. (a) Why do you need an 'over-speed' trip despite a governor being fitted to a marine diesel engine? (8)

(b) With respect to an auxiliary engine governor, what is the significance of: (8)

(i) The Load limit knob

(ii) The compensation

Q4. Sketch and describe the operation of a governor suitable for a diesel generator.