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WorksheetsJSS1 BASIC TECH 3RD TERM
Total questions: 30
Worksheet time: 15mins
belts are made from the following materials except________
rubber
leather
cotton
metals
belt and chains cannot work when _________ is absent
friction
lubrication
gripping
motion
belt is used on pulley while chains are used on ________
sprocket
shaft
rollers
none off the above
one of these is not an advantage of belt drive
noise is relatively less
lubricant is not required
There is no slip
it is flexible
which of the drive is use for larger centre distance
belt drive
chain drive
pulley drive
none of the above
gears are made from which of these materials
mild steel
brass
plastic
all of the above
which of these type of gears is a straight toothed gear
spur gear
bevel gear
helical gear
brace gear
which of the following is not a type of gears
spur gear
bevel gear
helical gear
brace gear
_________ is a gear having metal teeth that meshes with a chain
sprocket
bevel
helical
pulley
which of the following are tools used for setting out
shovel and spade
pegs and tape
grader and loaders
rods and glue
the reason bicycle are easier to cycle up a hill when the gears are changed is due to what is called __________
gear ratio
gear fraction
gear speed
gear teeth
the gear which drives the other is refers to the ______
driving gear
driver gear
driven gear
drive gear
sprocket is used in the following except
food industry
bicycle
cars
none of the above
which of the following is not a tool used in site preparation
machet
holes
spade
sickle
which of the following is the machine is used for pulling down structures
bulldozer
tipper
fork lift
tractor
__________ is a good conductor of electricity
metals
plastic
wood
rubber
the gear ratio is determined by the ________of the gear
size
roundness
number of teeth
type
If the driving gear is 10 and the driven gear is 30 what is the gear ratio?
1:3
3:1
5:6
6:5
the machine use for leveling or grading the site is called
grader
plough
bulldozer
tipper
the basic materials for the production of ceramics is __________
clay
Metal
Humidity
Temperature
when the driving gear is bigger than the driven gear the machine will move ______
faster
slower
at the same speed
dont know
ferrous metal are metals that contain ________
iron
copper
ceramics
steel
_________ is a straight line draw from the centre to the circumference
diameter
radius
chord
targent
a polygon with 10 side is called _______
decagon
nonagon
hexagon
pentagon
gears are used for the following except__________
torque
speed
direction
none of the above
which of the following gear is meshed at right angle to each other
bevel gear
spur gear
helical gear
rack and pinion
what is the name of the diagram below
herringbone gear
bevel gear
helical gear
spur gear
what is the name of the diagram above
Herringbone gears
Bevel gears
Helical gears
Spur gears
which of the following is not a basic part of a circuit
switch
battery
transformer
wire
_________ is the application of scientific knowledge to create solutions that make life easier
technology
Science
infrastructure
machine
