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btm technologies mid term

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.

Many tools and discoveries during the Agricultural Era had to do with growing and harvesting crops

a)

TRUE

b)

FALSE

2.

The Industrial Revolution began in England during the late 1700s.

a)

TRUE

b)

FALSE

3.

The _______ allowed the force of a river or stream to be used to grind grain into flour.

a)

Water wheel

b)

Water wing

c)

Aqueduct

4.

Who invented the Printing Press in the mid-1400s?

a)

Nikola Tesla

b)

Johannes Gutenberg

c)

Tim Berners-Lee

d)

Dennis Ritchie

5.
Technology refers to the _____that people have invented to make life easier.
a)
machines and tools
b)
methods and machines
c)
processes and methods
d)
tools and processes
6.

Cars, high-speed trains, trams and metro systems are an example of modern ____________________

a)

construction

b)

communication

c)

transport

7.

Advances in medicine have saved many lives.

a)

true

b)

false

8.

A ​ (a)   is any device that makes doing work easier.

Choose from the below words
machine
pulley
9.

A flagpole is related to pulley as toy car is related to _____.

a)

wedges

b)

levers

c)

wheels and axles

d)

inclined planes

10.

Inclined continuous power-driven stairways are also known as...

a)

Dumbwaiters

b)

Elevators

c)

Escalators

d)

Moving walkways

11.

A moving platform or cafe for carrying passengers or freight from one level of a building to another

a)

Elevator

b)

Escalator

c)

Dumb waiter

12.

An elevator exclusively for the use of passenger

a)

Passenger elevator

b)

Freight elevator

c)

Dumb waiter

d)

Electric elevator

13.

An elevator for carrying heavy cargo on which the operator and the persons necessary for unloading and loading the freight are permitted to ride

a)

Passenger elevator

b)

Freight elevator

c)

Dumb waiter

d)

Electric elevator

14.

A vertical distance traversed by an elevator car from the lowest to the highest landing of hoist way

a)

Hoist way

b)

Rise

c)

Top car clearance

d)

Bottom car clearance

15.

The portion of a floor adjacent to an elevator hoistway, used for the receiving and discharge of passenger or freight

a)

Landing

b)

Elevator car safety

c)

Hoistway door

d)

Elevator pit

16.

Automatic brake will ensure the escalator stop smoothly.

a)

True

b)

False

17.

Escalator speeds vary from about 17 m to 35 m per minute.

a)

True

b)

False

18.

Where does the low pressure liquid become a gas?

a)

Evaporator

b)

Condenser

c)

TX valve

d)

Compressor

19.

In what state is the refrigerant when it exits the condenser?

a)

High pressure gas

b)

Low pressure gas

c)

High pressure liquid

d)

Low pressure liquid

20.
The air conditioning compressor acts as the ________ of the system, keeping refrigerant circulating during air conditioning system operation.
a)
Top
b)
Bottom
c)
Pump
d)
brain
21.
____________ is the measurement of how hot or cold something feels.
a)
BTU
b)
freezing
c)
temperature
d)
comfort
22.

HVAC means ____________________.

a)

Heating, Ventilating, Air comforting

b)

Heating, Ventilating, Air conditioning

c)

Humidifying, Ventilating, Air comforting

d)

Humidifying, Ventilating, Air conditioning

23.

It may be defined as the simultaneous control of air temperature, humidity, motion and purity of air in a confined space.

a)

Heating

b)

Ventilating

c)

Air conditioning

d)

Air conditioning system

24.

Cooling the air requires refrigeration, while _________________ the air requires either refrigeration or chemical treatment.

a)

Heating

b)

Ventilating

c)

Dehumidifying

d)

Air conditioning

25.

Heat pumps provide heat by absorbing heat energy from outside air and transferring it to an indoor unit via refrigerant 

a)

True

b)

False

26.

Innovation is all about creating new and big ideas.

a)

TRUE

b)

FALSE

27.

In order to innovate you need to be open to the world around you.

a)

TRUE

b)

FALSE

28.

Small automations are part of innovation.

a)

TRUE

b)

FALSE

29.

Innovation is the same as invention.

a)

TRUE

b)

FALSE

30.

Innovation is a solo activity.

a)

TRUE

b)

FALSE

31.

What is the best definition for invention?

a)

the creation of something new

b)

the creation of something old

c)

the creation of the wheel

d)

the creation of something useful

32.
A flying car would be considered an...
a)
invention
b)
innovation
33.

steam engine

a)

invention

b)

innovation

34.

The process of food preservation

a)

Air-conditioning

b)

Refrigeration

c)

Refrigerator

d)

Air-conditioner

35.

Control of humidity, temperature, air movement & cleaning of air in a confined space

a)

Air-conditioning

b)

Refrigeration

c)

Air-conditioner

d)

Refrigerator

36.

It is a form of energy, the addition of which causes the substance to rise in temperature, the energy associated with the random motion of molecules

a)

Atom

b)

Heat

c)

Cold

d)

Vapor

37.

How does heat move?

a)

from a warmer to a cooler object

b)

from a cooler to a warmer object

c)

toward a hot object

d)

away from a cold object

38.

Energy transmitted by electromagnetic waves

a)

conduction

b)

convection

c)

radiation

39.

point where degrees Celsius and degrees Fahrenheit meet.

a)

-40 degrees

b)

40 degrees

c)

25 degress

d)

none of these

40.

short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place

a)

plain

b)

screw

c)

nail

d)

drivers