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WorksheetsPRE TEST - COT 2
Total questions: 10
Worksheet time: 3mins
Which of the following units is measured by electrical companies for household consumption of electricity?
kilowatt
kilowatt hour
megawatt
volt
What kind of transformers are used to raise the voltage?
Step-Up
Step-Down
Neither correct
Both correct
If a 100W light bulb is lit for 8 hours each for 20 days in a month how many kWh will the bulb consume?
16
160
1600
16000
What energy transformation takes place in a generator?
electrical to mechanical
heat to mechanical
mechanical to electrical
chemical to mechanical
You paid P 1,250 for electricity. How much energy in kWh is consumed if the electric company charges P 6.88/kWh?
186.81
181.86
188.61
181.69
Which of the following efficiency rating guide will consume lesser electricity when buying an appliance?
589
346
292
198
To reduce electricity bill,
connect appliances in series
put off main switch during the day
put off appliances when not in use
make sure to use limited appliances
Which of the following power plant does not use steam to produce electricity?
solar
hydropower
wind
All are correct
Which does not belong to the group in tracing energy source?
Energy grid
Power plant
Substations
Residence/Household
Which of the following agency takes charge on electrical energy distribution in Oriental Mindoro? :)
OMECO
ORMECO
MERALCO
OMELCO
