Exam (elaborations)
Mechanic Test Review Latest Updates 2024/2025
- Course
- Mechanic
- Institution
- Liberty University
Mechanic Test Review Latest Updates 2024/2025
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Mechanic Test Review Latest Updates2024/2025
What is the overlap minimum on 2 and 3 speed doors?
horizontal - 1/2"
vertical - 1"
what are the minimum and maximum clearances between sill and car doors?
1/4" Minimum
3/8" Maximum
What is the minimum and maximum sill to sill gap?
1/2"- 1 1/2"
1 gallon equals how many cubic feet?
.134 cubic feet
how many gallons are needed to run a plunger 30'?
Convert 30' into inches = 360"
3x3x3.14=28.26
28.26x360=10,173.6
10,173.6/231=44.04 gallons
what is the conversion for Kg to pounds?
1 Kg = 2.205 pounds
what is the purpose of a gear reduction unit on a geared machine?
Increased lifting capacity
At what speed should the Gov. switch be set to open?
Electrical - 90% of tripping speed for 150 -500 fpm.
95% for anything over 500 fpm.
at what distance from closed does the gate switch operate?
, 2"
What are the most common features of Load weigh?
Control the generator field and inside express operation
does a GFCI work?
Detects imbalance between hot and neutral wires
A motor needs a sleeve bearing replaced, what type of bearing do you need?
Friction Bearing
(anti-friction bearing = ball bearing)
Using binary logic, What dip switches must be on for a 128 bit 30 second
timer at 150%?
1,3,4,6 = 45 seconds
How do you attach brackets to brick?
Inserts set back 1/4' into the block. code could call for through bolt.
A car weighs 2500 pounds with a capacity of 2500 pounds. The CWT is
weighted at 40% how much is the motor lifting when the car is fully loaded?
2500(car)+1000(40%)=3500
5000-3500=1500 pounds lifted by the machine.
what are the consequences of misaligned joints on a rack and pinion?
-Broken gear teeth
-CWT derailment
-excessive wear
-crease the surface tube.
a 480 vac step down 240 vac transformer is connected to a 3 phase rectifier,
what is the output voltage?
320 vac
3 phase full wave =1.33x output voltage
1.33 x 240= 319.2
a 300 ohm resistor burns out but you don't have another one , how can you
make one?
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