問題一覧
1
what is a Refractometer used for?
to test coolant.
2
How many cycles does a windshield wiper have to go through to be considered clear?
5
3
When an automatic slack adjuster exceeds its travel, it is recommended practice to adjust it back to its correct measurement before returning bus to denser ice?
True
4
What does a tap do?
to thread a hole.
5
Transmission fluid should be dark red?
True
6
Two or more batteries wired in series develops 24 volts though Ampherage doesn’t change?
True
7
What is a hydrometer?
instrument used to determine specific gravity or liquids.
8
When draining all air tanks and containments such as water and oil are released is a good indication of what?
all of the above
9
what is voltage?
force that causes electrons to flow.
10
When losing air pressure the low air dash light and buzzer will activate at:
60 psi
11
A battery is 64% water?
True
12
When is it best to record the oil pressure reading and check the transmission of the bus?
When the transmission and engine are at operating temperature.
13
What fluid filters are needed for a 24K inspection?
Oil, Coolant, Fuel filters
14
What is the correct tread depth of the Rear tires of a Gillig?
4/32nds
15
According to CDTA standards a dripping liquid such as (fuel, oil, coolant) component is classified as what number?
1
16
A24 volt system joins two batteries wired in parallel is still a 12 volt system?
True
17
what does a feeler gauge do?
Measures the distance between two parts.
18
What is the correct tread depth for the front tires in the WINTER season according to CDTA?
8/32nds
19
The coolant torque on the Gillig hybrid transmission Lube-Filter cover bolts?
18-21 ft lbs
20
It is best to grease all grease or components before checking them for wear?
False
21
When taking an oil analysis it is best to retrieve oil from the pan at the _ of the oil drain?
middle
22
When checking air pressure in a tire and the pressure is 70 psi or below it should be considered a flat?
True
23
What is a multimeter used for?
a device used to measure voltage, resistance, and current in electronics and electrical equipment.
24
Coolant mixed with transmission fluid creates a:
Light brown milky color
25
what does an amphere do?
Rate of current flow through a conductor
26
A battery is 36% Acid
True
27
A neutron is neutral:
True
28
What makes up electricity?
Source, Load, Ground
29
In the winter season you should add 8oz of:
BLA Brake Line Antifreeze
30
What is the correct tread depth for the front tires of a Gillig?
6/32nds
31
The correct lug nut torque valve in most larger buses is?
450-500 ft lbs.
32
When checking the state of a fully charged battery with a hydrometer the electric current should be between:
1.260 - 1.280
33
how many volts does an 8D battery charge at?
28 volts
34
A rust trail on any metal component or frame is an indication of what?
something is broken or cracked
35
When applying the service break, you should not lose more than _ psi per minute?
3
36
When operating a bench grinder you should always use what?
Eye protection
37
According to NYSDOT it should not take more than _ passs for the windshield wipers to clean your windshield?
5
38
When checking slack adjuster travel you should be sure to have at least _ pressure in your tanks.
90-100 pds
39
How many volts is a battery at full charge?
12.6 volts
40
what is a spindle?
A rod for spinning and twisting.
41
According to CDTA standards what is the correct tire tread depth minimum for rear tires in the summer season?
4/32nds
42
When you grease an component, you should always _ the zerk fitting before and after greasing?
Clean
43
When wiring the coolant refractometer, a 50/50 mixture of concentrated coolant and water will give you a protection of?
-34%
44
Electrons create a negative charge?
True
45
What is a hacksaw used for?
Cut Metal
46
Wgat is the correct regulator setting on an odyssey batteries?
29 volts
47
Protons create a positive charge:
True
48
A feathery edged wear pattern on the front tires is probably caused by?
A wrong tow in adjustment
49
When a battery cell is completely empty you should:
condem the battery