WorksheetsMSSC Processes &Production Mechanical Linkages
Total questions: 30
Worksheet time: 15mins
Friction is a force that __________ the direction of motion.
Aids
Parrallels
Helps
Opposes
Friction is resistance caused by two __________ rubbing against each other.
Bearings
Wheels
Hands
Surfaces
One application that takes advantages of both high and low amounts of friction is a(n) __________.
Ice skater
Axle grease
Automobile brake
Belt sander
Static friction is also called __________ friction.
Momential
Kinetic
Starting
Rolling
The two types of friction are static friction and __________ friction.
Stationary
Non-moving
Coefficient
Kinetic
Coefficient of friction is the term used to describe the __________ of friction between two objects.
Amount
Type
Force
Opposite
What is the unit of measurement for the coefficient of friction?
Foot-pounds
Newton-meters
Kilograms
It has no unit
The coefficient of friction is the ratio of the force of friction divided by the __________.
Mass of the load
Normal force
Angle of the inclined plane
None of the above
A wheel reduces friction because __________ friction is less than sliding friction.
Kinetic
Static
Grazing
Rolling
Rolling friction is __________.
Less than kinetic friction but greater than static friction
Greater than kinetic friction but less than static friction
Greater than both static and kinetic friction
Less than both static and kinetic friction
An inclined plane is a flat surface set at an angle above the __________.
Horizontal
Vertical
Conical
Spherical
Which of the two angles shown would create the greatest mechanical advantage?
A
B
Neither, the advantage would be equal
It depends on the load being moved
The mechanical advantage of an inclined plane is the ratio of the __________ of the inclined plane divided by its __________.
Load, width
Height, load
Force applied, length
Length, height
What is the mechanical advantage of this incline plane with the object weight and force need to move it shown?
1/2
3/5
2
Can not be determined
Which of the incline planes shown has the greatest mechanical advantage?
The top one
The bottom one
Neither they are the same
Can not be determined
A linkage is a system of __________ attached together to transmit energy from one point to another.
Cams Bars Turnbuckles Planes
Bars
Turnbuckles
Planes
A windshield wiper is one application of the __________ linkage.
Single rocker
Double rocker
Three bar
Crank rocker
The image shown is an example of what type of linkage?
Slider crank
Double rocker
Crank rocker
Double crank
The image shown is an example of what type of linkage?
Double rocker
Slider crank
Crank rocker
Double crank
The image shown is an example of what type of linkage?
Slider crank
Double rocker
Crank rocker
Double crank
A __________ linkage changes rotary motion into reciprocating (back and forth) motion.
Slider crank
Double rocker
Crank rocker
Double crank
The double rocker linkage is one type of __________ linkage.
Three bar
Slider rocker
Crank rocker
Four bar
What type of linkage consists of a driver arm, connecting rod, and a follower?
Slider crank Double rocker Crank slider Double crank
Crank slider
Double rocker
Double crank
The crank rocker linkage is one type of __________ linkage.
Three bar
Double rocker
Slider rocker
Four bar
The follower of the __________ linkage moves in an arc.
Double crank
Slider crank
Crank rocker
Double rocker
A cam is a wheel that, when combined with a cam follower, produces a __________ motion.
Circular
Oval
Reciprocating
Non-linear
A __________ is often mounted on a shaft by means of a key.
Clamp collar
Cam
Bearing
Belt
The four properties of a cam are: rise, fall, __________, and constant velocity.
Roundness
Dwell
Ebb
Wane
A turnbuckle is a device commonly used to tighten __________.
Chains
Cam followers
Inclined planes
Ropes or cables
A turnbuckle has two bolts, where __________.
Both have right-hand threads
Both have left-hand threads
One has left-hand threads and the other has right-hand threads
None of the above
