Describe the fluxes of exergy associated with the energy
A heat pump has a coefficient of performance of 2 using a power input of 2 kW. Its low temperature is To and the high temperature is 80oC, with an ambient at To. Find the fluxes of exergy associated with the energy fluxes in and out.
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A large stationary diesel engine produces 15 MW with a thermal efficiency of 40%. The exhaust gas, which we assume is air, flows out at 800 K and the intake is 290 K. How large a mass flow rate is that if that accounts for half the Q.L?
Calculate the following the (U10050 stirling motor) stirling engine: Overall efficiency , thermal efficiency , mechanical efficiency and the coefficient of performance(CoP).
In this activity, students are asked to design a hypothesis test, collect data, analyze the data and share a conclusion. The focus may be something used in everyday life and general in nature.
Pick a card from a regular 52-card deck and record the suit, then toss a coin and record heads or tails. Let A be the event a club or spade is picked from a regular 52-card deck. Let B the event a heads appears when the coin is tossed.
Sketch ball temperature versus time for 0(b)Find the expression for the ball temp as a function of time,T(t), and plot the ball temp for 0.
A particle of charge q is fixed at point P, and a second particle of mass m and the same charge q is initially held a distance r1 from P. The second particle is then released. Determine its speed when it is a distance r2 from P. Let q = 3.1 µ
A steam turbine inlet is at 1200 kPa, 500oC. The actual exit is at 300 kPa with an actual work of 407 kJ/kg. What is its second law efficiency?
Discuss the implications of: magnitude (from 0 to 1); sign ( + or -); and probability versus causality for the Correlation Coefficient (also known as the Pearson Product-Moment Correlation Coefficient).
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The dental hygienist uses a handheld syringe to irrigate the posterior molars following a deep debridement of 6 mm pockets.
Question: A client is using a toothpaste with postassium nitrate. What is the role of the potassium nitrate in this toothpaste?
Question: With motivational interviewing, the focus is on: Question options: the client becoming actively involved in making and maintaining human behaviour
A client has type II embrasure spaces throughout his mouth and a fixed bridge between 13-15. What should the dental hygienist recommend
Problem: Funneling and widening of the coronal margins may be an indication of:
A client has decided to have oral piercings inserted today. Which one of the following rinses is effective for aftercare of oral piercings?
A client presents with 32 teeth and the color of the gingiva is pink, and stippled; the gingival papillae and margins are knife -edge and the consistency is fir