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WorksheetsMechanical Drive Revision T2 Module 9 - 2
Total questions: 22
Worksheet time: 20mins
Lockout is the process of blocking the ...................... flow from a power source
energy
motion
fluid
support
one of the following is not considered as A lockout device
lock
block
chain
Tag
................... is placing a tag on the power source that warns others not to restore power.
Tagout
lockout
warning
alert
one of the following is not considered as Tagout
one of the following is not considered from foundation functions :
Support the load of the machine
Maintain the alignment between machine components
Absorb any vibrations created by the machine
prevent machine failure
one of the following is not belonging to foundation materials:
Solid concrete
Reinforced concrete
Structural steel
high speed steel
one of the following tasks cant be performed by spirit level
check the level of a surface
determine if the surface is parallel
determine if the surface is perpendicular to the ground
detect the surface vibration
the figure show mounting the motor using the method of
Foot mount
C‐face mount
Adjustable mount
screw mount
the figure show mounting the motor using the method of
Foot mount
C‐face mount
Adjustable mount
flange mount
in the figure shown No. ( 1 ) is :
flat washer
lock washer
straight washer
head washer
in the figure shown No. ( 2 ) is :
flat washer
lock washer
straight washer
head washer
on of the following features is not considered when selecting a fastener for a motor mount
Diameters and length
Class
Nut Thickness / Class
Washer Thickness
bedplate material
special type of thinner nuts only used in special cases, such as limited assembly space its called
jam nuts,
class nuts
tight nuts
shadow nuts
It is a condition where one or more of the mounting feet is not level with the others, or where the base plate is not level in all places
Soft foot
Shaft end float
Shaft run‐out
criss‐cross
for Small motors because their foot mounts are made of thin metal and warp easily this will lead to
soft foot
Shaft run‐out
Shaft end float
end‐to‐end
while mounting the motor if we have an uneven mounting surface or an uneven motor mount this probably lead to
soft foot
Shaft run‐out
Shaft end float
end‐to‐end
the figure shows a ........................ for motor mounting
soft foot
Shaft run‐out
Shaft end float
end‐to‐end
The shaft run‐out is ( ....) of the total indicator reading (TIR)
1/2
1/3
1/4
1/6
the amount of free movement the shaft can make along its axis
soft foot
Shaft run‐out
Shaft end float
end‐to‐end
................... is checked by placing a dial indicator on the shaft and rotating the shaft as shown in the figure.
soft foot
Shaft run‐out
Shaft end float
end‐to‐end
................... is checked by placing an indicator on the end of
the shaft and moving the shaft in and out as shown in the figure.
soft foot
Shaft run‐out
Shaft end float
end‐to‐end
If ........................ is excessive, this can cause misalignment
soft foot
Shaft run‐out
Shaft end float
end‐to‐end
