NEW
Font size
WorksheetsBI-MONTHLY - GRADE 11
Total questions: 15
Worksheet time: 8mins
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
A plumber needs 3230 mm length of pipe, his tape measure can only measure in metres. What is the equivalent amount on his tape measure?
32.30 m
323.0 m
0.323 m
3.230 m
A company has two jobs in a town 50 km away. How would you organise the jobs so that they take less time and travel costs are reduced?
Send one person who is very experienced
Re-schedule the jobs for anothe day
Use more equipment to do the jobs
Send two people to do the jobs on the same day.
Which of the following MOST commonly used on threaded jointa?
Silicone
Crazy glue
Teflon tape
Joining paste
The MOST applicable function of traps installed in drainage lines or attached to fixtures is to
Expel sewer gasses from the system
Collect sewer gasses in the drainage
Access the drainage system and clear choke
Prevent sewer gasses from escaping into the building
You are asked by your supervisor to access pipes in a concete wall in a customer's house. You were reminded to observe proper housekeeping procedures. Which of the following is NOT a housekeeping procedure?
Remove all dirt
Spread the bed
Mop up all the water spillage
Clean all tools afte usage
