GRADE 1 MECHANICAL
TECHNOLOGIST STUDY GUIDE
Which56welding56process56is56most56commonly56used56for56small56pipe56maintenance56
welding?56-56answer--Oxyacetylene56gas56welding
What56is56the56proper56definition56of56an56engine?56-56answer--
It56is56a56machine56designed56to56convert56energy56into56useful56mechanical56motion
What56is56wet56stacking56and56how56can56it56be56prevented?56-56answer--
It56is56unburned56fuel56collecting56in56the56exhaust56due56to56light56or56no56load56conditi
ons.
To56check56flywheel56face56runout,56where56should56the56dial56indicator56be56positioned
?56-56answer--The56base56on56the56bell56housing56and56pointer56on56the56flywheel56face.
If56a5638-
tooth56gear56running56at5636056rpm56is56driving56another56gear56at5614456rpm,56what56is5
6the56number56of56teeth56on56the56driven56gear?56-56answer--
Solution:56driver56Gear56x56Driver56RPM=Driven56Gear56x56Driven56RPM
3856x5636056=56N56x56144
13,68056=56144N
13,68056/5614456=56144N56/56144
9556=56N
(9556Tooth56Gear
Which56of56the56following56is56required56for56a56sealed56ball56bearing?56-56answer--
It56does56not56need56to56be56lubricated56under56normal56use.
A56DAFT56is56an56acronym56meaning:56-56answer--Dissolved56Air56Flotation56Thickener.
What56is56the56governing56agency56that56permits56odor56control56systems?56-56answer--
AQMD:56Air56Quality56Management56District
TECHNOLOGIST STUDY GUIDE
Which56welding56process56is56most56commonly56used56for56small56pipe56maintenance56
welding?56-56answer--Oxyacetylene56gas56welding
What56is56the56proper56definition56of56an56engine?56-56answer--
It56is56a56machine56designed56to56convert56energy56into56useful56mechanical56motion
What56is56wet56stacking56and56how56can56it56be56prevented?56-56answer--
It56is56unburned56fuel56collecting56in56the56exhaust56due56to56light56or56no56load56conditi
ons.
To56check56flywheel56face56runout,56where56should56the56dial56indicator56be56positioned
?56-56answer--The56base56on56the56bell56housing56and56pointer56on56the56flywheel56face.
If56a5638-
tooth56gear56running56at5636056rpm56is56driving56another56gear56at5614456rpm,56what56is5
6the56number56of56teeth56on56the56driven56gear?56-56answer--
Solution:56driver56Gear56x56Driver56RPM=Driven56Gear56x56Driven56RPM
3856x5636056=56N56x56144
13,68056=56144N
13,68056/5614456=56144N56/56144
9556=56N
(9556Tooth56Gear
Which56of56the56following56is56required56for56a56sealed56ball56bearing?56-56answer--
It56does56not56need56to56be56lubricated56under56normal56use.
A56DAFT56is56an56acronym56meaning:56-56answer--Dissolved56Air56Flotation56Thickener.
What56is56the56governing56agency56that56permits56odor56control56systems?56-56answer--
AQMD:56Air56Quality56Management56District