Ag Science Content Exam Practice

Front

Which welding process uses a continuously fed wire electrode and shielding gas?

Back

GMAW

Front

In electric-motor terminology, RPM stands for _____

Back

Revolutions Per Minute

Front

The most common sharpening bevel angle on a general-purpose steel drill bit is about _____ per side.

Back

59°

Front

According to Ohm’s Law, electric current (I) equals voltage (V) divided by _____

Back

Resistance

Front

The primary function of a tractor’s PTO (power take-off) shaft is to _____

Back

Transmit rotational power to attached equipment

Front

A gear with 24 teeth meshes with a gear of 12 teeth. The speed ratio is _____

Back

2 : 1

Front

In MIG welding, “stick-out” refers to the _____

Back

length of visible electrode wire past the contact tip

Front

The symbol ▽ in a wiring schematic most commonly represents a _____

Back

ground connection

Front

To convert mechanical energy to electrical energy on a tractor, you would use a(n) _____

Back

alternator

Front

In oxy-fuel welding, the green hose is used to carry _____

Back

Oxygen