BI-MONTHLY - GRADE 11

Which of the following materials produce permanent hard water?

• Calcium sulphate

• Sodium bicarbonate

• Calcium carbonate

• Magnesium sulphate

All workers on construction site should wear a ...

• Safety helmet and a safety boot

• Pair of gloves and a helmet

• Pair of google and a safety boot

• Boilersuit and a helmet

John's employer asked him to remove some metal pipes fom a stack, to be used in a construction project. To ensure his safety John remove the pipes from the...

• Bottom

• Edge

• Middle

• Top

What is the travel of a 45 degree offset, if the run is 10 degrees?

• 11.26

• 12.14

• 14.14

• 41.41

The main supply line to a building is called a

• Juntion line

• Distribution line

• Service pipe

• Branch pipe

Which of the following is the CORRECT prcedure to be adopted for severe external bleeding, caused by a jagged piece of pipe, if no dressing is available?

• Wash the wound throughly

• Lie flat and keep warm

• Hold the sides of the wound firmly together

• Applly an antiseptic

A person lifting a load from the ground by hand using proper posture should have

• Bent knees and a straight back

• Straight legs and an arched back

• Straight legs and a curved back

• Bent knees and a curved back

Select the type of extinguisher BEST suited for a class B fire.

• Foam

• Water

• CO2

• Dry powder

Which of the following is NOT a safety precaution when handling power tools?

• Wear loose garment with long sleeve

• Always wear eye protection when working

• Never leave tools running unattended

• Ensure guards are in place

During installation of Galvanize pipes it is noticed that some fittings are not tightening on the threaded end. What is the more likely reason for that happenning?

• Dirt in the threads

• Two different thread standards

• Over tightening of both ends

• Incorrect tool being used