25 Gas is used for firing induction furnace. Select one: True False
Q: Filament light bulbs, also called incandescent bulbs, operate by passing an electrical current…
A: Let the energy consumed by the filament of the bulb = E Percentage of energy converted into heat =…
Q: When fatigue occurs above __ cycles, it is called high cycle fatigue. a) 10 b) 103 c) 106 d) 108
A: Option b
Q: How does the ideal Diesel cycle differ from the ideal Otto cycle?
A:
Q: a) All reversible cycles have the same efficiency b) Reversible cycle has more efficiency than an…
A: Option
Q: What thermodynamic principles does insulation for houses and heat sinks for computer useE Explain
A: Thermodynamics is the science of how heat transfers between objects. It is both an academic science…
Q: If a heat engine is working between 68.25C and 273C. Then the efficiency of the heat engine is? A.…
A: Given Data: The temperature of the low-temperature reservoir is: TL=68.25°C The temperature of the…
Q: Define the compression ratio for reciprocating engines.
A: Given: Compression ratio
Q: Define the typical efficiencies of conventional and high-efficiency electric and natural gas water…
A:
Q: The process in which the internal energy of the system is zero is, O a. Isochoric process b.…
A: The process in which the internal energy of the system is zero isO
Q: 32) The second law of thermodynamics leads us to conclude that A) the entropy of the universe…
A: The correct answer is (D) disorder in the universe is increasing with the passage of time.
Q: 39) A heat engine receives 7000 J of heat and loses 3000 J in each cycle. What is the efficiency of…
A: The efficiency of a heat engine is defined as ratio of the useful work done to the heat provided.
Q: 5. Assuming that β remained constant, what would be the resistance of the thermistor in the…
A: Thermistors are temperature-dependent resistors that alter resistance when the temperature rises or…
Q: An engine with 12% efficiency does 125J of work in each cycle. How much heat is absorbed in each…
A: Efficiency of the engine = 12 % ∴ e =0.12 =WQhwhere W= work done in each cycle =125 J Qh…
Q: Solar input power to the PV Module is 1200W, this PV Module is producing an output power of 228W…
A: Photovoltaic solar cells convert sunlight into electricity. Ther are made of photosensitive…
Q: You want to heat your oven to 400°F. Given that your oven has a surface area of 1m2, about how much…
A: Given Surface area of oven(A)= 1 m2 Temperature of oven (T) = 400°F We want to calculate power…
Q: Explain temperature co-efficient.
A:
Q: 3) A pump with an efficiency of mm% is used to pump water from a tank (stationary water inside) at…
A:
Q: Give 3 applications of 0th law of thermodynamics in real life and explain how the law applies on…
A: Zeroth Law:- It state Regarding temperature of system that if three body like A, B & C at a…
Q: 5. A 35 W compact fluorescent bulb operates at 30.0 % efficiency. Calculate the amount of energy…
A:
Q: The temperature of a 330 ohm resistor through which a current of 2 amps passes is kept constant at…
A: According to the second law of thermodynamics, the change in entropy is ∆S=∆QT........1∆Q-change in…
Q: Estimate the annual carbon footprint (in lbs) of 1000 W Freezer operated 24 hours a day(assume 1 gal…
A: Given that: P=1000 Wt=24 hrs Assumption: 1 gal of crude oil generates 30 KWh and produces 40 lbs of…
Q: An engine releases 0.450 kJ of heat for every 0.510 kJ of work it does. What is the efficiency of…
A: heat released Q2=0.450kJwork done by engine W=0.510kJ
Q: A PV module produces 200W maximum power at 1000W/m2/Assuming constant temperature, calculate the…
A: Maximum Power 200W at 1000W/m2 The maximum power output of a PV device is generally proportional to…
Q: The efficiency of a gas turbine is much larger than that of a steam turbine since Question 2…
A: INTRODUCTION:- Gas-Turbine: The gas turbine has grow to be an vital, big, and dependable device…
Q: V
A: The shown process is an isochoric process. Isochoric process : it is a process in which the volume…
Q: A shirt is placed on the ironing board to be ironed. The heat is transferred from iron to the shirt…
A: There are three methods through which heat can be transferred from one object to another . These are…
Q: A combined cycle power plant burns natural gas and produces 600MW and has an efficiency of 48%. Find…
A: A combined cycle power plant burns natural gas and produces 600MW and has an efficiency of 48%. Find…
Q: V - I graphs of a nichrome wire at three different temperature t, t2 and t3 are shown in the figure.…
A: Given data, I-V curve is given for the nichrome wire for different-different temperatures t1, t2 and…
Q: The heat produeed by a l00 W heatu in 2 minutes is ?
A: Given:power P = 100 wtime t = 2 minutestime t = 2 x 60 = 120 sec
Q: Equal masses of steam (100 degrees C) and ice (0 degrees C) are placed in contact with each other in…
A: The idea of the entropy of a system measures the thermal energy, molecular disorder, and randomness…
Q: For the same maximum pressure and temperature, A. Otto cycle is more efficient than Diesel cycle B.…
A: Option b is correct
Q: As shown in the figure below, two reversible cycles arranged in series each produce the same net…
A:
Q: On removing the valve, the air escaping from cycle tube becomes cool. Explain.
A: The first law of thermodynamics states that,
Q: QUESTION 4 Choose which of the following variables are thermodynamic state variables. V None of the…
A: Given: List of variables To find: Thermodynamic state variable among the list
Q: Explain heat engine.
A: Heat Engine : A heat engine is a device that converts heat to work. It takes heat from a reservoir…
Q: When tossing a certain number of coins, a macrostate is_____: Select all that apply A. Analogous to…
A: A macrostate tells about the multiplicity of a state which may contain a large number of…
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