GATE XE kind:question PYQs & Answers — Page 20

Questions 191–200 of 1772. Imported answers require independent review unless marked reviewed.

Which of the following statements is/are FALSE concerning a wind turbine generation system?

Your answerSelect all correct options. You can choose more than one.

The rotor power coefficient,

, of a multi-blade turbine is a monotonically increasing function of tip-speed ratio

Maximum power point tracking algorithms are typically employed in wind turbine generators for enhancing energy yield

The theoretical maximum value of rotor power coefficient,

, is 0.65

Speed control of wind turbine generator is carried out to ensure rotor speed varies in response to wind speed

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Which of the following options is/are true regarding the behaviour of a typical solar photovoltaic cell?

Your answerSelect all correct options. You can choose more than one.

Ideal current source

Current limited voltage source

Voltage limited current source

Ideal power source

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A 75 kWh electric vehicle battery pack made of lithium-ion batteries has 4,800 individual cells in a series-parallel combination, with 120 cells in series. The nominal voltage of the individual cell is 3.7 V. The capacity in Ah (rounded off to two decimal places) of the individual cell is ____________________.

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A nonlinear load connected to a sinusoidal voltage source (of peak value

and 50 Hz frequency) draws a quasi-square wave shaped current (of maximum value

) as shown in the figure below. The power factor of the nonlinear load (rounded off to two decimal places) is ____________________.

Diagram for Engineering Sciences question 194

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A resident has ₹ 50,000 to purchase a 5-star rated air conditioner with a life of 10 years. The annual energy cost savings (in ₹) needed to recover this investment in 6 years assuming a discount rate of 10 % per annum is ____________________. (Answer in integer)

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A country’s annual crude oil production in the year 2024 was 150 million tons and that in 2022 was 141 million tons. The proven crude oil resources in 2024 of the country are 12,000 million tons. Consider an exponential growth rate model with a growth rate as compound annual growth rate during 2022-2024. The crude oil reserve will last for __________ years. (rounded off to nearest integer)

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The useful heat gain in Watt (rounded off to one decimal place) of a solar flat plate collector using Hotel-Whillier-Bliss equation is__________________________.

Assume: Collector heat removal factor = 0.85 Absorber plate area = 1.5 m² Absorbed solar flux by the absorber plate = 600 Wm⁻² Overall loss coefficient = 4 Wm⁻²K⁻¹ Water inlet temperature = 60 °C Ambient temperature = 25 °C

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Even though I had planned to go skiing with my friends, I had to ________ at the last moment because of an injury.

Select the most appropriate option to complete the above sentence.

Your answerChoose one option.

back up

back of

back on

back out

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The President, along with the Council of Ministers, __________ to visit India next week.

Select the most appropriate option to complete the above sentence.

Your answerChoose one option.

wish

wishes

will wish

is wishing

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An electricity utility company charges ₹ 7 per kWh (kilo watt-hour). If a 40-watt desk light is left on for 10 hours each night for 180 days, what would be the cost of energy consumption? If the desk light is on for 2 more hours each night for the 180 days, what would be the percentage-increase in the cost of energy consumption?

Your answerChoose one option.

₹ 604.8; 10%

₹ 504; 20%

₹ 604.8; 12%

₹ 720; 15%

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GATE XE kind:question PYQs

Question 191

Question 192

Question 193

Question 194

Question 195

Question 196

Question 197

Question 1

Question 2

Question 3