ENGINEERING MECHANICAL SYSTEMS
2026 PRACTICE QUESTIONS AND CORRECT
ANSWERS A+ STUDY GUIDE
One revolution per second is equal to ______. - CORRECT ANSWER-60
RPM
To measure motor RPM, the rubber-tipped shaft on a handheld tachometer
must be held against the ______. - CORRECT ANSWER-end of the A
machine is a system of ______ - CORRECT ANSWER-mechanisms
The three common types of mechanisms are levers, ______, and inclined
planes. - CORRECT ANSWER-wheels
Which of the following is one of the six mechanism safety rules? -
CORRECT ANSWER-Keep your work area safe and clean
A force can be defined as a(n) ______ or ______. - CORRECT
ANSWER-push or pull
The English unit of measurement of weight is the ______. - CORRECT
ANSWER-pound-force (lb-f)
, The English unit of measurement of mass is ______. - CORRECT
ANSWER-pound-mass
(lb-m)
To calculate the weight of an object, you need to know the mass of the
object and the ______. - CORRECT ANSWER-gravitational acceleration
of the Earth
Hooke's Law states: The ______ of an elastic material is directly
proportional to the applied force. - CORRECT ANSWER-deformation
A spring scale is used to measure ______. - CORRECT ANSWER-force
A ______ is a bar or beam atop a fulcrum that is used to transmit force
from one point to another - CORRECT ANSWER-lever
A crowbar is an example of a ______ lever - CORRECT ANSWER-first-
class
A first-class lever has its ______. - CORRECT ANSWER-fulcrum between
the effort arm and load
The English unit of measurement of torque is the ______. - CORRECT
ANSWER-foot-pound
2026 PRACTICE QUESTIONS AND CORRECT
ANSWERS A+ STUDY GUIDE
One revolution per second is equal to ______. - CORRECT ANSWER-60
RPM
To measure motor RPM, the rubber-tipped shaft on a handheld tachometer
must be held against the ______. - CORRECT ANSWER-end of the A
machine is a system of ______ - CORRECT ANSWER-mechanisms
The three common types of mechanisms are levers, ______, and inclined
planes. - CORRECT ANSWER-wheels
Which of the following is one of the six mechanism safety rules? -
CORRECT ANSWER-Keep your work area safe and clean
A force can be defined as a(n) ______ or ______. - CORRECT
ANSWER-push or pull
The English unit of measurement of weight is the ______. - CORRECT
ANSWER-pound-force (lb-f)
, The English unit of measurement of mass is ______. - CORRECT
ANSWER-pound-mass
(lb-m)
To calculate the weight of an object, you need to know the mass of the
object and the ______. - CORRECT ANSWER-gravitational acceleration
of the Earth
Hooke's Law states: The ______ of an elastic material is directly
proportional to the applied force. - CORRECT ANSWER-deformation
A spring scale is used to measure ______. - CORRECT ANSWER-force
A ______ is a bar or beam atop a fulcrum that is used to transmit force
from one point to another - CORRECT ANSWER-lever
A crowbar is an example of a ______ lever - CORRECT ANSWER-first-
class
A first-class lever has its ______. - CORRECT ANSWER-fulcrum between
the effort arm and load
The English unit of measurement of torque is the ______. - CORRECT
ANSWER-foot-pound
