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WorksheetsMaintenance & Instrument
Total questions: 20
Worksheet time: 40mins
Which one of the following is NOT a positive displacement pump?
Vane pump.
Screw pump.
Centrifugal pump.
Diaphragm pump.
Which one of the following types of maintenance carried out in predetermined periods to ensure equipment reliability?
Predictive maintenance.
Preventive maintenance.
Breakdown maintenance.
Autonomous maintenance.
Most breakdown of equipment never happen all in sudden. It is always take a paths of
3 stages.
4 stages.
5 stages.
6 stages.
When a diaphragm pump cannot start, the possible cause is
low liquid level.
starved suction.
leaking suction line.
low discharge pressure.
Routine maintenance of vacuum pump required to check oil level
daily.
weekly.
monthly.
yearly.
Preventive maintenance of electrical boiler required to blow down boiler at pressure
daily.
weekly.
monthly.
yearly.
Too prevent corrosion, boiler water pH limits should maintain at
5.5 to 7.
7.5 to 9.
10.5 to 11.
11.5 to 13.
A heat exchanger used to cool gases into liquid is classified as a
cooler.
heater.
reboiler.
condenser.
Which one of the following is NOT an heat exchanger tubes cleaning methods?
Chemicals cleaning.
Tubes leakage testing.
Taprogge system cleaning.
High pressure water jetting.
The main purpose of work permit system is NOT to
eliminate the risk of accident.
pins responsibility on Individuals.
remind to follow proper procedures.
eliminate the responsibility of person issuing the permit.
What does it means If you notice that a level alarm is flashing on the screen?
Alarm has occurred but not acknowledged
Alarm has occurred and acknowledged
No alarm, it is normal
DCS system is shutdown
Which button above can be use to filter the alarm?
1
2
3
4
I/O card are use for
communicate with field devices, eg: pumps, switch, control valves
Engineer to program the DCS
communication between units
Operator to operate the units
Which one of the following is device is executed by a DO/DI card?
transmitter
control valves
pumps
Temperature indicator
Which type of sampling containers should be use for light sensitive sample?
Clear bottle
Brown bottle
Metallic bottle
Plastic bottle
Which document can be use to help identify the hazards associated with the substance so that personnel can wear the appropriate safety gears
SDS
GMP
GEP
LOTO
Routine sample shows sign of containment, what should be the next action taken?
Second sample should be taken to make sure that the first one was not contaminated.
Report to control man and proceed to shut down the unit.
Sent in the sample for test to confirm if sample is containmented
Ask another technician to collect the sample
Which of these choices is a major concern during a shift change?
Plant safety record.
Housekeeping record.
Clear communication.
Routine plant maintenance.
What are the duties of an operator in a process plant?
1. Start up of the plant
2. Monitoring and control
3. Sampling and testing
4. Carry out all maintenance
1,2,4
1,3,4
2,3,4
1,2,3
The duty of a panel man is
design the plant system.
supervise other operators.
check the field equipment.
control and monitor the process.
