Boiler Operation and Maintenance Quiz

Define the following terms. Boiler

Boilerman is a Certified Person In-Charge who operates the boiler following Factories and Machinery (Person-In-Charge) Regulations, 1970. Describe two (2) responsibilities of the boilerman.

A 1m3 tank containing air at 25°C and 500kPa is connected through a valve to another tank containing 5 kg of air at 35°C and 200kPa. Now valve is opened, and the entire system is allowed to reach thermal equilibrium with the surroundings, which are at 20°C. Calculate the volume of second tank and final equilibrium pressure of air.

Explain two (2) features of a boiler that can be classified as package boiler.

Illustrate the type of the following boiler: Fire tube boiler

Water tube boiler

Water tube boiler is exact opposite of fire tube boiler. Classify two (2) disadvantages of water tube boilers over fire tube boilers.

List down three (3) chemicals that normally used for boiler water treatment.

Maintenance personnel at company XYZ are rectify a boiler having tube leakage, they fix the problem by welding it back and start continue the operation. Based on Factories and Machinery Act 1967, discuss the action that had been taken by maintenance personnel.

A boiler running with capacity of 2 tonnes shows the temperature of 90oc. lf 20% of the capacity in the vapor form, calculate The pressure in the boiler.