#160.
Cells are connected in parallel to increase the ________ capacity of the cells.
A
current
B
voltage
C
resistance
D
inductance
Answer: current
#161.
The resistors are to be connected in four possible types of circuit connections namely series,
parallel, series-parallel and parallel-series. Which type of connection will give the least amount of
equivalent resistance?
A
Parallel
B
Parallel-series
C
Series-parallel
D
Series
Answer: Parallel
#162.
Which is an exposed wiring method that uses cleats, knowbs, tubes and flexible tubing for the
protection and support of single insulated conductor run in or on building and not concealed by the
building structure?
A
Metal clad cable wiring
B
Concealed knob and tube wiring
C
Armored cable wiring
D
Open wiring on insulators
Answer: Open wiring on insulators
#163.
What will happen if two 100-W, 230 V incadescent lamps are connected in series across a 230
V source?
A
Each lamp will give more output lights.
B
Both lamps will get burnt.
C
Each lamp will give lesser output lights.
D
Both lamps will consume more power.
Answer: Each lamp will give lesser output lights.
#164.
What is the reason why electrical appliances are connected in parallel rather than in series?
A
It makes the operation of each appliance independent of each other.
B
Each appliances consumes more power if connected in series.
C
Parallel connection is simpler than series connection.
D
Parallel connection consumes lesser power.
Answer: It makes the operation of each appliance independent of each other.
#165.
When replacing a busted fuse which of the following is important?
A
same size but different rating
B
same size and type
C
same type but different rating
D
different size and type
Answer: same size and type
#166.
Which of the following is a source of alternating current?
A
Alternator
B
same type but different rating
C
same size but different rating
D
different size and type
Answer: Alternator
#167.
When there is a break in the circuit and the current could not pass through, the circuit is
A
grounded
B
shorted
C
closed
D
open
Answer: open
#168.
Which term usually refers to a device that produces an electric current when light falls upon
them?
A
Solar lamp
B
Solar light
C
Solar cell
D
Dry cell
Answer: Solar cell
#169.
Which is synchronous alternating-current machine that changes mechanical power into
electrical power?
A
Lathe machine
B
Dynamo
C
Alternator
D
Motor
Answer: Alternator
#170.
Which battery CANNOT be recharged after its chemical energy has been depleted?
A
Primary battery
B
Secondary battery
C
EverReady
D
Energizer
Answer: Primary battery
#171.
Which generator generates direct current?
A
Dynamo
B
Alternator
C
Battery
D
Adapter
Answer: Dynamo
#172.
Which battery can be recharged after each chemical energy has been depleted?
A
Secondary battery
B
EverReady
C
Energizer
D
Primary battery
Answer: Secondary battery
#173.
Which is used to change mechanical energy into electrical energy?
A
Generator
B
Dry cell
C
Circuit
D
Battery
Answer: Generator
#174.
A process in splitting the atom of uranum is called ________.
A
fission
B
fusion
C
friction
D
tension
Answer: fission
#175.
A process by joining hydrogen atoms which causes heat hotter than the sun is called ________.
A
fusion
B
fission
C
friction
D
tension
Answer: fusion
#176.
Which transforms heat energy to electric energy?
A
Thermocouple
B
Generator
C
Battery
D
Transformers
Answer: Thermocouple
#177.
Which is the kinetic energy of falling water?
A
Mechanical energy
B
Solar energy
C
Hydro energy
D
Thermo energy
Answer: Hydro energy
#178.
Which is a solar collector that is capable of producing voltage when exposed to radiant energy
(sunlight)?
A
Photovoltaic system
B
Photoelectric
C
Photoemission system
D
Solar light
Answer: Photovoltaic system
#179.
Energy derived or extracted from the internal heat of the earth is called ________.