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The air conditioner is switched off once the temperature falls below 21

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Questions


The Switch is switched off once the temperature falls below 18 and then it is turned on when the temperature is more than 21. When the temperature is more than 21. Identify the Equivalance values which belong to the same class.
1 Answer

An air-conditioner maintains the room temperature at 27 oC while the outside temperature is 47 oC. The heat conducted through the walls of the room from outside to inside due to temperature difference is 7000 W. The minimum work done by the compressor of the air-conditioner per unit time is ________ W
1 Answer

A room having dimension 12 m × 10 m × 3.5 m is required to be mechanically ventilated by air-conditioner. The temperature difference between outdoor ambient air and the supply air is 12 °C. Consider three air exchanges per hour. The volumetric specific heat of the air is 1250 J/m3 °C. Assume one ton of refrigeration (TR) is equal to 3.5 kW. The capacity of the air-conditioner for the room in TR will be _________.
0 Answer

Mr X has three children. The birthday of the first falls on the 5. Monday of April, that of the second one falls on the 5. Thursday of November. On which day is the birthday of hie third child, which falls on 20. December ?
0 Answer

Demand for a good is termed inelastic through the expenditure approach when if (choose the correct alternative) - CBSE Economics class 12 2017
1 Answer

The supply voltage to a room is 120 V. The resistance of the lead wires is 6Ω. A 60 W bulb is already switched on. What is the decrease of voltage across the bulb, when a 240 W heater is switched on in parallel to the bulb ? - physics 2013
1 Answer

Mr 'X' has three children. The birthday of the first child falls on the 5th Monday of April that of the second one falls on the 5th Thursday of November. On which day is the birthday of his third child , which falls on 20th December?
0 Answer

Which among the following statements about the power to change the basic structure of the Constitution of India is/are correct? 1. It falls outside the scope of the amending powers of the Parliament. 2. It can be exercised by the people though representatives in a Constituent Assembly. 3. It falls within the constituent powers of the Parliament. Select the correct answer using the code given below. A. 1 and 3 B. 1 and 2 C. 1 only D. 2 and 3
0 Answer

The value of salinity, in terms of wt.% NaCl equivalent, of an aqueous saline bi-phase liquid-vapour fluid inclusions is determined by measurement of ________ during microthermometry.
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List Applications of an Air Conditioner.
1 Answer

Differentiate between a refrigerator and an air-conditioner.
1 Answer

Humpty Dumpty sits on a wall every day while having lunch. The wall sometimes breaks. A person sitting on the wall falls if the wall breaks-GATE EC 2015
1 Answer

Explain the construction and working of an Air Conditioner.
1 Answer

When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day’s weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step’ out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a message to your office accordingly. In the context of emerging communication technologies, which one of the following terms best applies to the above scenario?
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Metals approach super conductivity condition
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A tube-in-tube counter-flow heat exchanger is heating oil from 35 °C to 77 °C by circulating hot water at 100 °C. The outlet temperature of water is 70 °C. The log-mean-temperature difference (LMTD) is
0 Answer

The speed of sound in the ocean depends on
1 Answer

"When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler".
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With a network diagram explain the working of typical switched telephone system.
1 Answer

T he humidity of air at a dry-bulb temperature of 65 oC is 0.025 kg water/kg dry air. The latent heat of vaporization of water at 0 oC is 2500 kJ/kg. The psychrometric ratio of air is 0.95 kJ (kg dry air)-1 K-1. Considering 0 oC as reference temperature, the enthalpy of air (in kJ/kg) at its adiabatic saturation temperature of 35 oC is ___________ (rounded off to two decimal places).
0 Answer
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