Class 2 (2nd Engineer) MEKM 📅 Jan 2018

Exam Question

A diesel generator when fitted in a machinery space which is periodically unmanned may be equipped with monitoring alarms of the exhaust temperances. Discuss the relative merits of:

(a) Individual cylinder maximum temperature alarms

(b) Individual cylinder maximum and minimum temperature alarms.

(c) Individual cylinder maximum temperature alarm and an alarm for any two cylinders exhaust temperature deviating more than 35°C, Exprain how arrangement (c) can be provided for.

Reference Answer

(a) Individual cylinder maximum exhaust temperature alarms:
An alarm for the maximum exhaust temperature in each cylinder is beneficial because it can provide an early indication of localized problems specific to an individual cylinder. Common causes include:
Blocked or sticking fuel injector.
Dripping injector nozzle causing afterburning.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play