Download REvison Sheet -TEX2

REVISION SHEET TECHNOLOGY EXPLORATION 2.
QUESTION 1. MULTIPLE CHOICE
1. It is defined as the ability to do work. It does so many things for people.
A. Energy
√
B. Machine
C. Power
D. Calorie
E. None of the above
2. The energy stored in an object/body due to its position.
A. Kinetic energy
B. Energy Transfer
C. Potential energy
√
D. Chemical Energy
E. Electrical Energy
3. The energy that a body has due to its motion.
A. Potential energy
B. Kinetic energy √
C. Electrical Energy
D. Mechanical Energy
E. Chemical Energy
4. Energy generated using natural sources that are easily available on earth, always there and will
never run out, provide energy with far less damage to the environment. they do not produce
much waste or pollution
A. Electrical Energy
B. Kinetic Energy
C. Potential energy.
D. Non renewable energy
E. Renewable energy
√
5. Energy sources such as gas and oil, once used these resources CANNOT be used again
A. Renewable energy
√
B. Non renewable energy
C. Thermal Energy
D. Kinetic Energy
E. Potential energy.
6. Is used to produce electricity that is powered engine by using some kind of fuel like diesel. It
converts mechanical energy to electrical energy.
A. Motor
B. Generator
√
C. Engine
D. Turbine
E. Carburetor
7. Solar Energy system where sunlight is used directly for light and heat, Energy is optimized by
building design without using additional equipment.
A. Passive Solar Energy
√
B. Active solar energy
C. Solar Cell
D. Solar power
E. All of the above
8. Solar Energy system where the Sun’s heat energy is transferred to special fluids held in solar
collectors. This fluid is pumped through pipes in water tanks and the heat energy transferred to
the water.
A. Passive Solar Energy
B. Active solar energy
C. Solar Cell
D. Solar power
E. None of the above
√
9. Capacitor is a device that could be used to store electrical energy. It is made from two metal
plates with a thin layer of insulator in between them.
1. Motor
2. Generator
3. Engine
4. Turbine
5. Capacitor √
10. In this system the energy in visible light from the Sun is converted directly into an electric
current. Using the photoelectric effect, loose electrons in the upper layer caused to move, thus
creating an electric current
A. Passive Solar Energy
B. Active solar energy
√
C. Solar Cell
D. Solar power
E. None of the above
11. An electrical machine that converts electrical energy into mechanical energy.
A. Motor
√
B. Generator
C. Turbine
D. Boiler
E. Dynamo
12. The term "pneumatic" is based on the Greek word ‘pneumatikos’, meaning
A. coming from the sun
B. coming from the water
C. coming from particles
D. coming from the wind √
E. coming from no where
13. Why use pneumatics?
A. Very easily store compressed air.
B. Safe even when their air hoses or individual parts get wet
C. If overloaded, the machine will stop, continue compressing, or
D. Release the air through a pressure release valve
E. All of the above √
14. What the basic components of pneumatic system?
A. pumps and cylinders
B. Pumps and valves
C. Cylinder and valves
D. Compressed Air
E. Pumps, cylinders and valves √
15. Component of pneumatics system and it is used to compress the air.
A. Cylinder
B. Pumps √
C. Valves
D. Tube
E. Pump and cylinder
16. Part of the pump that controls the airflow inside the pump.
A. pump bar
B. piston
C. outlet port
D. specially designed piston and diaphragm √
E. none of the above
17. From figure, what is top most part of a pump?
A. Flexible diaphragm
B. Pump barrel
C. Piston Seal
D. Return spring √
E. Diaphragm
18. Component of pneumatic system that converts expanding air (potential energy) into
movement (kinetic energy)
A. Cylinder √
B. valve
C. pump
D. compressed air tank
E. none of the above
19. From figure 2 , which figure demonstrate that the piston of the cylinder is
extending or moving up.
A. cylinder on the LEFT
B. cylinder on the RIGHT √
20. Component of pneumatic system that receives the compressed air
and directs it to the other two outlets.
A. Pump
B. Cylinder
C. Tube
D. Three position valve √
E. None of the above
QUESTION 2. IDENTIFICATION.
Identify the name of each drawing and
Write R for renewable energy or NR for non renewable under each drawing.
Natural Gas
NR
Wind Energy
R
Geothermal
R
Oil
NR
Hydro electric
R
Solar Energy
R
QUESTION 3. Write If Kinetic or Potential Energy
1. Potential
Drawn Arrow
4. Kinetic
Moving Roller Coaster
2. Potential
Box on the Fork lift
5. Kinetic
Downhill bicycle
3. Kinetic
Rolling Rock
6. Potential
Stretched Rubber band
QUESTION 4. Make the List for the following question
1. Other forms of energy
a. Heat
b. Light
c. Chemical
d. Electrical
e. Mechanical
2. Types of renewable energy sources
A. solar
B. wind,
C. tidal (energy produced by waves in oceans and seas),
D. geothermal (underground heat) etc
E. biogas
3. Identify and write down at least three variables which affect the efficiency of the Solar
Station.
a. Intensity of light
b. Area exposed to light
c. Angle to the light.
4. What are the component of pneumatic system?
a. Pumps
b. Valves
c. Cylinder
Question 5
Match between the component / symbol in column A and its name in column B. Write your
answer in the provided table
A
Scissor Lift
B
Cylinder
3
C
Operation of Cylinder
4
D
Robot Arm
5
E
Pump
6
F
Operation of 3 position valve
7
G
Compressed Air
H
Operation of pump
I
Valve
1
2
1
2
3
4
5
6
7
G
E
A
B
F
H
D
QUESTION 6. ILLUSTRATION.
1. Draw the energy transform diagram for the following energy converter
a. Battery
Heat
Chemical
b. Engine
Electrical
Heat
Chemical
(petrol)
c. Bulb
Mechanical
(Motion)
Heat
Electrical
d. Windmill
Wind
energy
Light
Electrical
Mechanical
(Motion)
e. Generator
Heat
Mechanical
Energy
Electrical
Heat
f. Body
Chemical
(Food)
Kinetic
Energy
Movement
(walking)
QUESTION 7. Explain the Diagram.
Explain the operation of a hydro electric power plant. Identify equipment seen and
included in the system.