SACA 210 STUDY QUESTIONS WITH
COMPLETE SOLUTIONS
A mechanical power transmission system receives power from __________.
a. Driven
b. Driver
c. Prime Mover
d. B and C - ANSWER-d. B and C
A machine foundation should be designed to support the load of the machine, maintain
the alignment of coupled components, and _________________.
a. be easily moved
b. be lightweight
c. blend with the other foundations
d. absorb any vibration created by the machine - ANSWER-d. absorb any vibration
created by the machine
__________ may remove a lockout on the power source of a piece of mechanical
equipment.
a. Only the instructor
b. Any two people
c. Only the person who installed the lockout
d. Any person familiar with the mechanical equipment - ANSWER-c. Only the person
who installed the lockout
In addition to dress rules, another rule to follow with machinery is __________.
a. to have someone else in the work area
b. enter a work area while the machine is running
c. do not work on wet floors
d. to keep work tools out in the work area for easy access - ANSWER-c. do not work on
wet floors
A device most often used to orient a surface so it is either parallel or perpendicular to
the ground is a __________.
a. Measuring tape
b. Spirit level
c. Plumb bob
d. Speed Square - ANSWER-b. Spirit level
,Some rules for safe dress to wear around machinery when it is running are
__________.
a. wear safety glasses and gloves at all times
b. wear tight fitting clothing and heavy duty shoes
c. wear bright colored clothing
d. wear light weight, loose fitting clothing - ANSWER-b. wear tight fitting clothing and
heavy duty shoes
A spirit level can be used __________.
a.
in a vertical or horizontal position
b.
only in the vertical position
c.
only in the horizontal position
d.
in any position - ANSWER-a.
in a vertical or horizontal position
The three types of shaft-to-adjacent-shaft power transmission are __________.
a.
belt drive, clutch, and gear drive
b.
clutch, direct coupling, and gear drive
c.
belt drive, chain drive, and gear drive
d.
flexible coupling, direct coupling, and sleeve coupling - ANSWER-c.
belt drive, chain drive, and gear drive
The purpose of having a clutch connecting two shafts together is to __________.
a.
allow the two shafts to be disconnected while running
b.
multiply the torque of the drive shaft
c.
allow for easier assembly and disassembly of the drive system
d.
change the direction of rotation - ANSWER-a.
allow the two shafts to be disconnected while running
,Which of the following describes rotary motion?
a.
extension or retraction of hydraulic or pneumatic cylinder
b.
spinning of the foundation to adjust for motor mounting
c.
turning of a motor shaft
d.
Application of a round break to slow the machine down - ANSWER-c.
turning of a motor shaft
Which of the following is a quality of grease?
a.
Hardness level
b.
Dropping Point
c.
Type of Soap
d.
All of the above - ANSWER-d.
All of the above
What is a machine foundation?
a.
The bed the machine is bolted onto
b.
The mounting plate of a machine
c.
The structure that supports a machine
d.
The structure that all machines are mounted onto - ANSWER-c.
The structure that supports a machine
Before a dial indicator can be used it must be _____________.
a.
Zeroed
b.
Reset
c.
Mastered
d.
, Cleaned - ANSWER-c.
Mastered
A soft foot condition on a motor mount should be corrected by __________.
a.
shimming one foot only
b.
shimming all four feet
c.
ending the soft foot on the motor base
d.
shimming two diagonally opposite feet - ANSWER-a.
shimming one foot only
____________________ is the axial displacement of the shaft as it rotates
a.
Shaft End float
b.
Shaft Run Out
c.
Shaft Bounce
d.
Shaft Rotary Displacement - ANSWER-b.
Shaft Run Out
An adjustable motor base is used __________.
a.
when it is necessary to change the tension on a belt or chain drive
b.
to vary the motor speed
c.
when it is necessary to change the size of the motor
d.
to compensate for wear on the motor bearings - ANSWER-a.
when it is necessary to change the tension on a belt or chain drive
What safety gear should be worn while working around mechanical power transmission
systems?
a.
Gloves
b.
Heavy Duty shoes
COMPLETE SOLUTIONS
A mechanical power transmission system receives power from __________.
a. Driven
b. Driver
c. Prime Mover
d. B and C - ANSWER-d. B and C
A machine foundation should be designed to support the load of the machine, maintain
the alignment of coupled components, and _________________.
a. be easily moved
b. be lightweight
c. blend with the other foundations
d. absorb any vibration created by the machine - ANSWER-d. absorb any vibration
created by the machine
__________ may remove a lockout on the power source of a piece of mechanical
equipment.
a. Only the instructor
b. Any two people
c. Only the person who installed the lockout
d. Any person familiar with the mechanical equipment - ANSWER-c. Only the person
who installed the lockout
In addition to dress rules, another rule to follow with machinery is __________.
a. to have someone else in the work area
b. enter a work area while the machine is running
c. do not work on wet floors
d. to keep work tools out in the work area for easy access - ANSWER-c. do not work on
wet floors
A device most often used to orient a surface so it is either parallel or perpendicular to
the ground is a __________.
a. Measuring tape
b. Spirit level
c. Plumb bob
d. Speed Square - ANSWER-b. Spirit level
,Some rules for safe dress to wear around machinery when it is running are
__________.
a. wear safety glasses and gloves at all times
b. wear tight fitting clothing and heavy duty shoes
c. wear bright colored clothing
d. wear light weight, loose fitting clothing - ANSWER-b. wear tight fitting clothing and
heavy duty shoes
A spirit level can be used __________.
a.
in a vertical or horizontal position
b.
only in the vertical position
c.
only in the horizontal position
d.
in any position - ANSWER-a.
in a vertical or horizontal position
The three types of shaft-to-adjacent-shaft power transmission are __________.
a.
belt drive, clutch, and gear drive
b.
clutch, direct coupling, and gear drive
c.
belt drive, chain drive, and gear drive
d.
flexible coupling, direct coupling, and sleeve coupling - ANSWER-c.
belt drive, chain drive, and gear drive
The purpose of having a clutch connecting two shafts together is to __________.
a.
allow the two shafts to be disconnected while running
b.
multiply the torque of the drive shaft
c.
allow for easier assembly and disassembly of the drive system
d.
change the direction of rotation - ANSWER-a.
allow the two shafts to be disconnected while running
,Which of the following describes rotary motion?
a.
extension or retraction of hydraulic or pneumatic cylinder
b.
spinning of the foundation to adjust for motor mounting
c.
turning of a motor shaft
d.
Application of a round break to slow the machine down - ANSWER-c.
turning of a motor shaft
Which of the following is a quality of grease?
a.
Hardness level
b.
Dropping Point
c.
Type of Soap
d.
All of the above - ANSWER-d.
All of the above
What is a machine foundation?
a.
The bed the machine is bolted onto
b.
The mounting plate of a machine
c.
The structure that supports a machine
d.
The structure that all machines are mounted onto - ANSWER-c.
The structure that supports a machine
Before a dial indicator can be used it must be _____________.
a.
Zeroed
b.
Reset
c.
Mastered
d.
, Cleaned - ANSWER-c.
Mastered
A soft foot condition on a motor mount should be corrected by __________.
a.
shimming one foot only
b.
shimming all four feet
c.
ending the soft foot on the motor base
d.
shimming two diagonally opposite feet - ANSWER-a.
shimming one foot only
____________________ is the axial displacement of the shaft as it rotates
a.
Shaft End float
b.
Shaft Run Out
c.
Shaft Bounce
d.
Shaft Rotary Displacement - ANSWER-b.
Shaft Run Out
An adjustable motor base is used __________.
a.
when it is necessary to change the tension on a belt or chain drive
b.
to vary the motor speed
c.
when it is necessary to change the size of the motor
d.
to compensate for wear on the motor bearings - ANSWER-a.
when it is necessary to change the tension on a belt or chain drive
What safety gear should be worn while working around mechanical power transmission
systems?
a.
Gloves
b.
Heavy Duty shoes
