SM0486
ACCP SUBCOURSE NUMBER SM0486
MECHANICAL AND ELECTRO-MECHANICAL MEASUREMENT PRINCIPLES
EXERCISES FOR LESSON 1
1.
Which statement concerning heat is not true?
a.
Heat causes metal to expand
b.
Heat is generated by compression
c.
Heat is a form of energy
d.
Heat is the partial kinetic energy of moving molecules
2.
Excessive friction in a car engine
a.
may prevent movement of some parts.
b.
increases oil viscosity.
c.
decreases wear.
d.
improve gas mileage.
3.
As a gas is compressed
a.
space between the molecules decrease.
b.
temperature decreases.
c.
partial kinetic energy is expended.
d.
condensation is removed from the compressed gas to reduce corrosion
4.
a.
is heat.
b.
is obtained from kinetic energy.
c.
when applied to a resistance reduces heat by electromotive force.
d.
can be used to produce heat.
5.
As molecules are pressed closer together
a.
the forces of repulsion and attraction equalize.
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