With reference to pneumatically operated friction clutches, explain the effects of EACH of the following:
(a) oil contamination of friction pads;(3)
(b) reduced air pressure;(2)
(c) distorted friction pads;(2)
(d) angular misalignment.(3)
MDE Unit 19 Q1 MDE Unit 19 Q1 Quiz
With reference to pneumatic clutches used for medium speed main propulsion purposes:
(a) describe the operating principle of the clutch;(5)
(b) explain how this clutch may be engaged in the event of failure of the control system; (3)
(c) state TWO interlocks necessary for clutch operation.(2)
MDE Unit 19 Q2 MDE Unit 19 Q2 Quiz
With reference to a reduction gearing and pneumatic clutch arrangement of a propulsion system:
(a) state FIVE protection devices fitted;(5)
(b) explain the need for EACH device stated in part (a).(5)
MDE Unit 19 Q3 MDE Unit 19 Q3 Quiz
Describe, with the aid of a sketch, the operation of a diesel engine propulsion system air operated radial tyre type clutch.(10)