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Yr 9 Basic Tech 3rd Mid Term

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

The angle formed when 2 perpendicular lines meet at a point is ---------------

a)

Angle 30º

b)

Angle 45º

c)

Angle 60º

d)

Angle 90º

2.

A Mechanism for transmitting motion between rotating shaft is -------

a)

clock

b)

dock

c)

Drive

d)

none

3.

True or False the driver pulley and driven pulley both rotate in the same direction in Belt Drive

a)

True

b)

False

c)

Uncertain

d)

Any of the above

4.

To change direction of rotation of the pulleys in belt drive which of the following must be done

a)

Straight up the belt

b)

Cross the belt

c)

Damp the belt with water

d)

Dry the belt

5.

Chain Drive uses toothed wheels linked together by a chain, what are these toothed wheels called

a)

Pulleys

b)

Grange

c)

Sprockets

d)

Socke

6.

Which of the following is a type of drive

a)

Bell drive

b)

Gear drive

c)

Roll drive

d)

Flush drive

7.

In which of the following does Mechanical drives find application

a)

Automobile systems

b)

Designing of Building

c)

writing of notes

d)

construction of plane shape

8.

Which of the following is a metal working machine

a)

Circular saw

b)

Jig saw

c)

Metal lathe

d)

All

9.

Which of the following is wood working machine

a)

Metal lathe

b)

Milling machine

c)

Thicknessing machine

d)

None

10.

Ceramics are a class of materials suitable for

a)

Automobile manufacturing

b)

Building construction works

c)

Tyres production

d)

Agricultural production

11.

Rubber is a material famous for production of

a)

Gears

b)

Pulleys

c)

Automobile tyres

d)

chain

12.

A basic unit of Technology that introduces students to Engineering drawing and designs is

a)

Athletics

b)

Soft work

c)

Shopping

d)

Technical drawing

13.

Which unit of basic Technology exposes students to how cars, trucks and other vehicles work

a)

Woodwork

b)

Auto-mech

c)

Fashion work

d)

Entertainment

14.

One of the following is NOT an occupation in the field of Technology

a)

Mechanical Engineering

b)

Electrical Engineering

c)

Hair dressing

d)

Civil Engineering.

15.

An occupation in the field of Technology that deals with how Computers are made is ----------

a)

Control Engineering

b)

Computer Engineering

c)

Instrumentation

d)

Automation

16.

A place where activities such as fabrication, design, drawing and construction takes place is ------

a)

Workshop

b)

Playground

c)

Dance hall

d)

Shopping Mall

17.

An event that occurs suddenly and leads to injury or harm is what

a)

Celebration

b)

Coronation

c)

Accident

d)

Graduation

18.

Which of the following statement is True about Safety

a)

Protection from the risk of injury or harm

b)

Counselling

c)

Language art

d)

Games

19.

In workshop Safety rules and regulation, you are required to ----------

a)

leave all machines running after use

b)

forget workshop rules & regulations

c)

switch off all electrical outlets after close of work

d)

do nothing

20.

What is a Straight line?

a)

It is the longest distance to a point

b)

It is the shortest distance between two points

c)

It is narrow path

d)

All of the above

21.

When 2 straight lines meet at a point, what happens.

a)

line transforms

b)

An angle is formed

c)

points form

d)

An arc is obtained

22.

The construction whereby a straight line is divided into 2 equal parts.

a)

Divider

b)

halving a whole

c)

Bisecting a straight-line

d)

Angular section

23.

When a line is perpendicular to another, it is the same as angle ----------- exists between them.

a)

60⁰

b)

45⁰

c)

30⁰

d)

90⁰

24.

Two straight lines are said to be parallel to each other if both remain at ---------------

a)

different distances to each other

b)

the same distance to each other

c)

right angle to each other

d)

No distance

25.

A quarter of a Circle is also referred to as -----------------

a)

Semicircle

b)

0 Sector

c)

Quadrant

d)

arc

26.

The curved boundary of a Circle is known as -------------

a)

Area

b)

Perimeter

c)

Centre

d)

Circumference

27.

A straight line passing through the centre of a circle to join 2 points on the circumference together

a)

Sector

b)

Diameter

c)

Semicircle

d)

Diagonal

28.

The process of getting all drawing instruments ready and setting the Paper to start drawing is known as --------------

a)

Instrumentation

b)

Documentation

c)

Board Practice

d)

Game practice

29.

Which instrument is used to measure lengths and breadths in Technical drawing?

a)

Test probe

b)

Metric Rule

c)

Measuring cylinder

d)

Thumb and fingers

30.

A drawing instrument usually used to draw arcs and circles is ---------------

a)

Pair of compasses

b)

Dowel cakes

c)

Ruler

d)

Alphabet Template

31.

The drawing instrument having the shape of a Triangle and normally used to draw lines at angle 30⁰ and 60⁰ is -----------

a)

Pair of Divider

b)

45⁰ Set square

c)

French curves

d)

30⁰/60⁰ Set square

32.

Which of the following is an instrument used to measure the size of an angle or draw an angle

a)

Ruler

b)

Screw gauge

c)

Protractor

d)

Lab instrument template

33.

Which grade of Pencils will you choose for drawing during a board practice session?

a)

B grade

b)

2B grade

c)

BC grade

d)

HB grade

34.

A drawing instruments that enables one to draw horizontal parallel lines in board practice is ------------

a)

Lock nut

b)

Tee- square

c)

Mouse

d)

Lawn square

35.

An instrument used to draw lines at angle 45⁰ is -------------

a)

Hex curve

b)

45⁰ Set Square

c)

Pair of Compasses

d)

Drawing board

36.

A portion of the Circle bounded a chord and an arc is what.

a)

Segment

b)

Sector

c)

Semicircle

d)

Quadrant

37.

A plane shape bounded by four side is ------------------

a)

Triangle

b)

Polygon

c)

Quadrilateral

d)

4th dimension

38.

A line that joins 2 opposite corners of a Rectangle is ----------

a)

Diameter

b)

Diagonal

c)

Chord

d)

Radius

39.

Which of the following is NOT a Quadrilateral?

a)

Parallelogram

b)

square

c)

Trapezium

d)

Hexagon

40.

A plane shape that has more than 4 sides falls under which of the following category.

a)

Quadrilateral

b)

Irregular planes

c)

Polygon

d)

Triangles

41.

Which force opposes motion between 2 surfaces?

a)

Gravity

b)

Inertia

c)

Friction

d)

Repulsion

42.

Friction depends on which of the following factors?

a)

Nature of surfaces in contact

b)

Area of surfaces

c)

Geometry of surfaces

d)

None of the above

43.

Which of the following is the correct mathematical expression for Friction?

a)

Fr=oT

b)

Fr= sL

c)

Fr=μR

d)

Fr=nQ

44.

A method of reducing friction is by

a)

use of powder between surfaces

b)

lubrication by oil & grease

c)

application of water

d)

All of the above

45.

A Drive is a mechanism for transmitting motion. Which of the following is a type of drive?

a)

Train Drive

b)

Chain Drive

c)

Net Drive

d)

Solo Drive

46.

A component of the chain drive system is -------

a)

pulley

b)

slot

c)

sprocket

d)

gears

47.

A device that the driver gear is fixed upon for power transmission is called -------

a)

Weigh bridge

b)

Prime mover

c)

Instrument counter

d)

load cell

48.

A gear or a sprocket is a ------------ wheel

a)

slotted

b)

grooved wheel

c)

toothed wheel

d)

none

49.

Which of the following is an example of a prime mover

a)

linkage

b)

electric motor

c)

roller -skater

d)

Torch light

50.

The correct relationship between gear ratio and speed ratio is

a)

S1T2 = S2T1

b)

S1T1 = S2T2

c)

S1S2 = T1T2

d)

None of the above

51.

Which of the following is a type of Electrical energy that could be obtained from solar energy

a)

Beryll plasma

b)

Solar Photo voltaic (PV) electricity

c)

Gas fired electricity

d)

Solid state power

52.

Another kind of Electrical energy obtainable from solar energy

a)

Gas thermal

b)

Solid state development

c)

Solar Thermal Power

d)

All

53.

A form of energy that could be replenished after being used up is

a)

Perpetual energy

b)

Renewable energy

c)

Fossil fuel energy

d)

Virtual energy

54.

A source of energy that could not be replenished after being used up is

a)

Non renewable energy

b)

Popular energy

c)

Special energy

d)

Constant energy

55.

In Solar Thermal Power Electricity, which of the following is a component of solar energy that is applied

a)

Photo (Light) energy

b)

Heat(Thermal) energy

c)

Radiation

d)

Polarisation

56.

The Solar Panels mounted on roof tops is meant to harnessed -----

a)

Solar thermal power

b)

Elastic potential

c)

Solar Photo-voltaic(PV) energy

d)

Chemical energy

57.

To harness Solar thermal power from the sun which of the following is applicable

a)

Good plain surfaces

b)

Special parabolic mirrors

c)

Certain white paper

d)

Tissue paper

58.

To harness renewable energy from the wind which of the following is applicable

a)

Gas turbine

b)

Steam trap

c)

Wind mill

d)

Light vane

59.

True or False Fossil fuels like coal, oil & natural gas are non-renewable forms of energy

a)

False

b)

uncertain

c)

true

d)

maybe they are

60.

Which of the following is a renewable energy form derived from fermentation of sewage, toilet and kitchen wastes alongside a number of organic wastes

a)

Solar energy

b)

Nuclear energy

c)

Biogas

d)

Fossil fuels

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