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WorksheetsQUIZ PREPARATION
Total questions: 43
Worksheet time: 22mins
A person lifting load from the ground by hand using proper posture should have
bent knees and straight back
straight legs and an arched back
straight legs and a curved back
bent knees and a curved back
What is the travel of a 45 degree offset, if the run is 10 degrees?
11 . 26
12 . 14
14 . 14
41 . 41
In roughing -in a supply pipe for a lavatory basin, how far on either side of the centre line should the hot and cold water pipe be installed?
10 " (254 mm)
6 " (203 .2 mm)
4 " (101.6 mm)
2 " ( 50 .8 mm)
While drilling a hole in a mild steel casting, the worker noticed swarf coming from one flute only. This was a result of
An incorrectly sharpened drill bit
Too much feed being applied
A misaligned machine table
too much spindle speed
It is necessary to remove all burrs from the internal diameter of a cut galvanized pipe, which is to be carry liquids in order to
Reduce fiction
Prevent blockage
Make the pipe easier to thread
Decrease the pipe's inside diameter
If a hammer head is not properly secured, it is MOST LIKELY that it
May not be effective
Could become a missile and cause injury to someone
Will hurt the hand of the user
Will not do the job
Which set of hand tools should you use to cut and thread a piece of galvanized pipe?
Pipe wrench, pipe cutter, blow torch, hammer
Pipe cutter, stock and die, reamer
Pipe cutter, reamer, ABS; sand paper
Pipe reamer, stock and dies, reciprocating saw
Which of the following places is BEST for storing hand tools?
On a rack in a store room
Under a bench in the work area
In a remote corner of the work shop
Under a machine that is being fixed
In the assembling of PVC pipes and fittings, it is necessary to give the assembles joint 1/4 turn. You should give the joint a 1/4 turn in order to
Make the joint stronger
Hold the pipe at the bottom of the fittings
Keep the pipe on the end to end
Evenly distribute the cement between pipe and joint
What is the tool pictured below BEST suitable for?
Gripping
Cutting
Clamping
Tightening
Which of the following tool is MOST suitable for removing kitchen sink mixer valve nut?
Pliers
Pipe wrench
Basin wrench
Adjustable wrench
The account of an incident within an organization, is communicated through the use of a
Report
Resume
Complaint
Memorandum
The MOST applicable function of traps installed in drainage lines or attached to fixtures is to
Expel sewer gases from the system
Collect sewer gases in the drainage
Access the drainage system and clear choke
Prevent sewer gases from escaping into the building
Select the type of fire extinguisher BEST suited for a class B fire
Foam
Water
Dry powder
Carbon dioxide
Select the type of joint that requires the application of heat
Flare
Sweat
Threaded
Compression
Following the CORRECT chain of command, from whom should you obtain clarification for a plumbing task not clearly understood?
Fellow co-worker
Electrician
Supervisor
Mason
The purpose of a framing square is to
Mark off and measure squareness
Measure length and squareness
Determine levelness and squareness
Determine depth and buoyancy
What is the wall thickness of a pipe with an external diameter of 149 mm and an internal diameter of 99?
25 mm
51 mm
60 mm
70 mm
When a 4 inch pipe is reduced in size int he direction of the flow, this will cause
Faster travel and better cleaning of the pipe
Blockage to build up at the reduction
Slugging in the waste system
No effect of the drainage system
Which of the following technical drawing instrument is used with the T-Square to draw inclined lines?
Template
Protractor
Scale rule
Set square
The abbreviation ANSI stands for
American National Sanitation Institute
American Safety Institute
American National Standard Institute
Annual National Safety Institute
It is important to save active files periodically in order to prevent
Overwriting of files
Loss of important data
Corrupting the operating system
Appearance of additional data
All of the following tools are used in the marking off process EXCEPT
Scriber
Gauge
Drill
Calliper
If the water closet tank is constantly overflowing, what is the MOST likely cause?
Pressure is too high
Refilling tube needs changing
Outlet valve seating is damaged
Floating ball rod needs adjusting
You are asked by your supervisor to access pipes i a concrete wall in a customer's house. You were reminded to observe proper/correct housekeeping procedures. Which of the following is NOT a housekeeping procedures?
Order parts
Mop up all water spillage
Remove all dirt
Clean all tools after usage
When drilling a brittle material such as a floor tile, It is BEST to use the
Fastest drill speed, smallest drill bit size
Slowest drill speed, smallest drill bit size
Fastest drill speed, largest drill bit size
Slowest drill speed, largest drill bit size
All of the following are related to the joining of galvanizes pipe EXCEPT
Flange
Welding
Threading
Solvent weld
When ascending or descending a ladder, one should
Always look down to see where you are going
Face the ladder at all times
Walk down the ladder front way
Not care how you do it, as long as you do it slowly
The main supply line to a building is called a
Junction line
Distribution line
Service line
Branch line
Other than by typing, a document can be sent within an email
As an attached
Through the search engine
Over a webpage
Over a website
Which of the following is MOST commonly used on threaded joints?
Silicone
Krazy glue
Teflon tape
Joining paste
Which protective device is MOST appropriate when dealing with toxic liquids?
Ear muff
Steel toe boots
Safety boots
Safety goggles
Identify the level of accuracy that is greatest
Five micrometers
One thousandth of an inch
Two thousandths of an inch
Two thousandths of a millimetre
A backhoe is used to excavate or dig trenches for underground pipe work. All of the following procedures enhances safe operations during and after an excavation EXCEPT:
Shore up all deep trenches before entering
Communicate all actions before work begins
Keep close to machine so as to direct the operator
Store soil at least two feet from edge of the trench
What is the relationship between a "file" and a "folder"? A
File can hold a collection of folders
Folders can hole a collection of files
File is another name for a folder
Folder can be created into a file
If water keeps flowing in a toilet bowl and the inlet valve is functioning properly, which would be the MOST LIKELY cause?
The flapper ball is defective
The water pressure is too high
Water is in the float ball
The outlet valve is defective
Which of the following are effects of clear communication when carrying out work?
i. good customer service
ii. avoiding wastage of materials
iii. avoiding injuring yourself on the job
iv. task efficiency in teams
i, ii, iii, and iv Only
Which of the following is the CORRECT procedure to be adopted for severe external bleeding caused by a jagged piece of pipe, if no dressing is available?
Wash the wound thoroughly and allow blood to clot
Lie flat and keep warm
Hold the sides of the wound firmly together after washing
Apply antisepticlotion
If a grinder fails to operate, which of the following actions should be observed?
Shake it until it starts
Try starting it by hand
Pour some oil on the motor
Have it checked by a technician
Which of the following describes the CORRECT use of the prick punch?
Flaring copper tubing
Punching through materials
Marking dots along scribe lines
Finding the centre of a hole when drilling
Mr. Green works 2 hours and 20 minutes on Monday, 5 hours, 46 minutes on Tuesday, and 3 hours, 50 minutes on Thursday. How many hours in total did he works?
13 Hours and 30 Minutes
12 Hours and 50 minutes
11 Hours and 55 Minutes
10 Hours and 30 minutes
Identify the measurements which are taken with the venier caliper, using the sections labelled i, ii, and iii respectively
External diameter, internal diameter depth
Internal diameter, external diameter depth
Internal diameter, depth, external diameter.
Depth, external diameter, internal diameter
Observe the diagram below and find the pipe length A and B.
A = 32" and B = 32"
A = 22" and B = 33"
A = 32" and B = 34"
A = 22" and B = 32"
