B.E Day 3

How much should be the concentration of HC for entering the enclosed space?

• <1% of LEL

• 1% LEL

• >1% of LEL

• All are wrong

During the speed/power trials, speed is measured by ____.

• echosounder

• GPS

• knot meter

• All are correct

What should be the ideal density of SW for speed/power trials?

• 1.025 kg/m3

• 1.052 t/m3

• 1.025 t/m3

• All are correct

Which type of runs is preferred for speed/power analysis?

• Two double-runs

• double runs

• triple run

• double triple run

What is the full form of TLV?

• Threshold Limit Value

• Treshold Limit value

• Threshole limit valve

• All are correct

The ventilation should not be stopped before doing the atmospheric checks for enclosed space entry?

• False

• True