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Worksheets

TOS Energy

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following has the highest share in India’s total electricity generation (2025)?

a)

Coal

b)

Solar

c)

Hydro

d)

Nuclear

2.

The efficiency of a typical coal-fired thermal power plant is closest to:

a)

20-25

b)

30-35

c)

40-45

d)

60-65

3.

Which energy storage technology has the highest energy density?

a)

Lithium-ion battery

b)

Pumped hydro storage

c)

Compressed air energy storage

d)

Hydrogen fuel

4.

Which of these nuclear reactor types is used in India’s nuclear program for thorium utilization?

a)

Pressurized Water Reactor (PWR)

b)

Boiling Water Reactor (BWR)

c)

Fast Breeder Reactor (FBR)

d)

Heavy Water Reactor (HWR)

5.

Which form of energy is non-mechanical in nature?

a)

Kinetic Energy

b)

Potential Energy

c)

Heat Energy

d)

Work Done

6.

Which state in India leads in installed renewable energy capacity (2025)?

a)

Gujarat

b)

Karnataka

c)

Tamil Nadu

d)

Rajasthan

7.

The capacity utilization factor (CUF) for a solar PV plant in India is typically:

a)

5-10%

b)

15-25%

c)

30-40%

d)

50-60%

8.

In a hydroelectric dam, the primary energy conversion is:

a)

Heat → Mechanical → Electrical

b)

Potential → Kinetic → Mechanical → Electrical

c)

Chemical → Thermal → Mechanical → Electrical

d)

Solar → Thermal → Electrical

9.

Which of these gases has the highest global warming potential (GWP)?

a)

CO₂

b)

Methane (CH₄)

c)

Nitrous Oxide (N₂O)

d)

SF₆ (Sulphur Hexafluoride)

10.

The world’s largest solar park (2025) is located in:

a)

Pavagada, Karnataka

b)

Bhadla, Rajasthan

c)

Kutch, Gujarat

d)

Rewa, Madhya Pradesh

11.

Which Indian city is known as the “Solar City of India”?

a)

Bengaluru

b)

Coimbatore

c)

Cochin

d)

Ahemdabad

12.

In thermodynamics, the Carnot efficiency of a heat engine depends on:

a)

The type of fuel used

b)

The pressure of the system

c)

The ratio of temperatures of hot and cold reservoirs

d)

The working fluid

13.

Which of the following has the lowest levelized cost of electricity (LCOE) in India today?

a)

Solar PV

b)

Wind

c)

Coal

d)

Nuclea

14.

The energy payback time (EPBT) of a solar PV module typically is:

a)

a few months

b)

1-2 years

c)

5-7 years

d)

10-15 years

15.

One unit of electricity = 1 kWh. If your hostel fan runs at 60 W for 10 hours a day, how many days will it take to consume 1 unit of electricity?

a)

2 days

b)

~17 days

c)

1 day

d)

~7 days