Term
| What stops your boom from collapsing under pressure |
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Definition
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Term
| How do u cool down a turbo charger |
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Definition
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Term
| What on a track assembly requires the most maintenance |
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Definition
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Term
Which of theses is a function of the main frame
Allows the crane to travel
Provides a stable base for the crane to work from
Stops the crane from tipping |
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Definition
| Provides a stable base for the crane to work from |
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Term
What is the purpose of the clutch
To connect and disconnect power from the engine
Provide a reverse gear
Provide a neutral gear |
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Definition
| To connect and disconnect power from the engine |
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Term
What allows the drive wheels to turn at different speeds
Rear axel
Drive shafts
Differential gear |
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Definition
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Term
The transmission should provide a neutral gear to allow the engine to run free
T/F |
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Definition
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Term
Which of these are in the correct order
ECCI
ICCE
CIEC
ICCE |
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Definition
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Term
| An internal combustion converts ------energy into -----energy |
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Definition
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Term
What type of valve is the radiator cap
Relief valve
Pressure control valve
Blow off valve |
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Definition
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Term
Which of theses suspension systems is not found on mobile cranes
Walking beam
Coil over
Air
Hydraulics |
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Definition
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Term
What instrument is used to test antifreeze/coolant
Sg meter tester
Volt meter
Pressure |
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Definition
| Specific gravity meter/tester |
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Term
What function does the thermostat perform
Control temp of the coolant
Control flow of coolant
Control speed of coolant |
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Definition
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Term
A torque converter works on the principle of
Oil pressure
Viscous coupling
Fluid coupling |
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Definition
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Term
Ammeters are used to indicate what about a battery?
Battery is charged
What voltage
Amount of current flowing |
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Definition
| Amount of current flowing in or out |
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Term
Fuses and breakers are known as
Safety devices
Cut outs
Overload protection devices |
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Definition
| Overload protection devices |
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Term
Batteries wired in parallel will give what
Double V same capacity
Same V double capacity
Same V same capacity |
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Definition
| Same voltage double capacity |
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Term
What is the main concern when boosting a lead acid battery
Battery can get warm
Risk of explosion |
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Definition
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Term
After testing antifreeze what should be done with the tester
Clean out with compressed air
Rinse out with clean water |
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Definition
| Clean out with clean water |
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Term
The first # in oil weight indicates what
Cold
Hot
Entire temp range |
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Definition
Cold
The last # indicates hot |
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Term
A tire warn in the centre would indicate
Under inflation
Overinflation |
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Definition
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Term
Which 2 items should be used to safely inflate a tire
Compressor and psi gauge
Psi gauge and tire cage
Compressor and a safe place to stand |
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Definition
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Term
Which of these is not found on a tire
Diameter of wheel
Load and speed rating
Width of tire
Recommended inflation |
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Definition
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Term
Planetary hubs are connected directly to the
Sun gear
Drive line
Rear axel
Driving wheels |
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Definition
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Term
Drum brakes with wedge actuators
Are adjusted automatically
Are adjusted manually
Have no manual adjustment
Have to be taken out of service |
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Definition
| Are adjusted automatically |
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Term
The caging bolt is used
To set brake stroke
To set brake pressure
To release brakes in emergency |
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Definition
| To release brakes in an emergency |
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Term
A method of forced induction using exhaust gas is known as
Cold air intake
Supercharging
Turbo charging |
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Definition
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Term
The best time to drain the oil is
According to service schedule
When it's dirty
When metal filings are present
When the oil is warm |
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Definition
| According to the service schedule |
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Term
A torque converter is found in
All transmissions
Only in manual transmissions
Only in automatic transmissions
Only in vehicles with Diesel engines |
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Definition
| Only in automatic transmissions |
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Term
Which of these is not a drive line component
U joint
Yoke
Flange
Bevel gear |
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Definition
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Term
The function of a planetary gear is
Provide a final gear reduction
Enable wheels to turn at different speed |
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Definition
| Provide a final gear reduction |
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Term
The most common type of fuel injection found on a modern Diesel engine is
Multi port
Forced stratified injection
Common rail |
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Definition
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Term
Oil additives are there to
Prevent rust
Inhibit oxidation
Improve viscosity
All of the above |
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Definition
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|
Term
Which hydraulic system is most commonly found on mobile cranes
Closed centre
Open centre
Independent |
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Definition
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Term
These are all part of the crane swing system
Swing motor
Rotation bearing
House lock
Brake
T/F |
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Definition
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|
Term
A dual stage hydraulic cylinder
Has 2 telescoping sections
Uses weight of load to retract
Uses a spring to retract
Uses hydraulic power to retract |
|
Definition
| Has 2 telescoping sections |
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Term
Hydraulic pumps convert mechanical force into hydraulic energy
T/F |
|
Definition
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|
Term
A closed centre hydraulic system has the need for a
Variable displacement pump
Fixed displacement pump |
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Definition
| Variable displacement pump |
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Term
Pilot hydraulic valves are usually found where in the valve bank
As part of in can controls
Part of outrigger control
Part of the winch control |
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Definition
| As part of the in cab controls |
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|
Term
Cavitation is caused by what
To much oil in the system
Not enough oil in the system
Air in the system |
|
Definition
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|
Term
| When turning off oxy acetylene torch, what do you shut off first |
|
Definition
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|
Term
|
Definition
2 times R times pie times H
End cap
2 times pie times R squared |
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Term
|
Definition
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Term
|
Definition
3.28ft = 1M
2.2046lb=1kg
2204.6lb=tone
2000lb=ton
1728cuin cuft
144sqin sqft |
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Term
1' by 1' by 1" steel plate=
40.8lb
Concrete 150lb per cuft
Steel 490lb cuft |
|
Definition
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Term
| Only type of natural fibre rope found in construction |
|
Definition
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Term
| What is the strongest synthetic rope |
|
Definition
|
|
Term
| What is the most used synthetic rope |
|
Definition
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Term
| Prior to installing the upper works, what must be done? |
|
Definition
| Clean and lube splined shafts and clean turntable surface |
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Term
With regards to special attachments when are leads used
Drag line
Clam shell
Pile driving |
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Definition
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Term
Which type of lattice boom is used in pile driving operations
Round
Angle
Rectangular |
|
Definition
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|
Term
| what should you do before connecting pendants to the bridle? |
|
Definition
| make sure all pins are in |
|
|
Term
| what do you do to cool off turbo charger? |
|
Definition
|
|
Term
| when reeving a block how do you centre it |
|
Definition
| wedge socket left or right , lead line left or right |
|
|
Term
| if a load drops from a hydraulic crane what is the cause? |
|
Definition
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|
Term
| what is the most common transfer of power from ------to torque converter |
|
Definition
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|
Term
| what is the purpose of the bevel gear on the ?? shaft to the travel |
|
Definition
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Term
| the proper way to lower and re reeve a block |
|
Definition
| lower block to almost ground level then boom down |
|
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Term
| whats the tool used to dig a vertical shaft |
|
Definition
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Term
| ABH auxilary boom head, whats the purpose of? |
|
Definition
| to prevent hoist lines from tangling |
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|
Term
| most common type of end connection on a boom? |
|
Definition
|
|
Term
| how can you achieve 100% efficiency on an end fitting |
|
Definition
| compressed eye with a steel sleeve |
|
|
Term
| how are crawlers more stable |
|
Definition
|
|
Term
| why should boom sections come out evenly |
|
Definition
| more stress on longer boom sections |
|
|
Term
| what forces are on a spreader or EQ beam |
|
Definition
|
|
Term
| what does an engineered lift plan have to have? |
|
Definition
| site drawing dimensions with actual verified measurements |
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Term
| when u go over chart values on a new crane, what conditions are there |
|
Definition
| the materials are built stronger, |
|
|
Term
| conventional over side where is the tipping axis? |
|
Definition
|
|
Term
| why do u need a tag line on as clam shell? |
|
Definition
| prevent clam shell from twisting |
|
|
Term
| why would you need leads on a conventional? |
|
Definition
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