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Worksheets8. Mechanisms and Structures Quiz
Total questions: 18
Worksheet time: 10mins
Which of the following is not a type of force?
ROTARY
LINEAR
OSCILLATING
BALANCING
Which kind of force would be applied by the blade of a lawnmower to cut blades of grass?
BRUTE FORCE
COMPRESSION FORCE
DOWN FORCE
SHEAR FORCE
Stress on a structural member is calculated by dividing the force by which of the following?
STRENGTH
WEIGHT
AREA
MASS
What does the term 'strain' refer to?
THE CHANGE IN LENGTH OF A STRUCTURAL MEMBER
THE WEIGHT APPLIED TO THE TOP OF A BEAM
THE HARDNESS OF A CONSTRUCTION MATERIAL
THE STRENGTH OF A PILLAR
Within mechanisms, a cam will perform which of the following motion conversions?
ROTARY TO RECIPROCATING
LINEAR TO ROTARY
ROTARY TO UPWARD
ROTARY TO LINEAR
The device which allows two rotating shafts to connect and disconnect is known as what?
RATCHET
RACK
TOOTH
CLUTCH
Which of the following can be used to reduce friction in a mechanism?
ROLLER BEARINGS
HEAT
OIL
FANS
In belt drive systems, what does the jockey pulley do?
TAKES EXTRA WEIGHT
CHANGES THE OUTPUT SPEED
MAINTAINS THE CORRECT TENSION
RIDE A HORSE
Forces are calculated using which unit of measurement?
QUARKS
NEWTONS
BITS
TONNES
A series of gears aligned in a row is known by which name?
GEAR TRAIN
GEAR ROW
GEAR SELECTION
REVERSE GEAR
Which of the following features could you expect to find in a gear system diagram?
CONCENTRIC CIRCLES
'+' SIGNS
QUANTITY OF TEETH
OUTPUT SPEEDS
State 2 advantages of a compound gear system.
THEY COST LESS TO PRODUCE
THEY FACILITATE HIGH CHANGES IN SPEED
THEY ALLOW GEARS TO BE ARRANGED ON THE SAME SHAFT
THEY RUN MORE SILENTLY THAN SIMPLE GEAR TRAINS
What is the primary function of an idler gear?
TO KEEP GEARS IN NEUTRAL
TO STOP GEARS FROM TOUCHING
TO CHANGE THE OUTPUT SPEED
TO ALLOW TWO GEARS TO ROTATE IN THE SAME DIRECTION
True or false - gears are designed to transmit power and motion.
TRUE
FALSE
Chain operated drive systems are drawn using which convention?
A DOTTED/DASHED LINE
AN UPPER CASE 'C'
TEETH ON A COG
INTERCONNECTING CHAIN LINKS
Torque is the measurement of force relating to which type of motion?
FORWARD
ROTARY
LINEAR
GRAVITY
Which two measurements are used to calculate torque?
SPEED & FORCE
WEIGHT & SPEED
WEIGHT & RADIUS
FORCE & RADIUS
Fill in the blank: Mechanisms convert one form of (a) to another, or will convert one kind or size of force into another.
