(iii) What is the difference between a refrigerator and a heat pump?

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Q: In an ideal reheat cycle, the steam throttled condition is 8 MPa and 480 degree C. the steam is then…

A: Given that, State 1,At P=8 MPa and T=480 °C,h1=3348.4 MPa,s1=6.6586 kJ/kg.K,State 2,At P=2 MPa…

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Q: (a) Calculate the rotor radius for a multi-blade wind turbine that operates in a wind speed of 36…

A: Given Data The speed of the wind is:V=36 km/h=10 m/s The rate is:Q=6 m3/h The lift is:hp=6m Now…

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A: Given DataP=10hPN=300 rpmdab=10mmdce=15mmrb=100mmrt=150mmFOS=1.2

Q: A vertical cylinder 1.5m height and 18 cm in diameter is maintained at 100° C in an atmosphere…

A: Natural convection, also known as free convection, is a mass and heat transport method in which…

Q: The value of Poisson's ratio for steel is between O 0.23 to 0.27 O 0.25 to 0.33 O 0.01 to 0.1

A: Given data To select the correct option

Q: An axial load P is supported by the short steel column shown in the figure. The column has a…

A: Given that, Axial load = P Cross-sectional area of column = Acolumn=13,300 mm2 Allowable average…

Q: maximum mass

A: kW=10*.746=7.46kW T=P2πn=60*106*7.462*π*300=237459.17N-mm FB=Trb=237459.17100=2374.59 N same…

Q: 1. In the Taylor series expansion of et about x = 2, the coefficient of (x – 2)4 is 24 (a) (b) 4!…

A: We have to find the coefficient of (x-2)4, as we know that in the taylor series expansion of ex…

Q: 7. A, B, C and D are four masses carried by a rotating shaft at radii 100 mm, 150 mm, 150 mm and 200…

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Q: Which of the following equations can be used to determine the vertical components of the force at…

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Q: A- Air at atmospheric pressure and a temperature of 25 °C is in parallel flow at a velocity of 5 m/s…

A: Given data: Tf=325 KT∞=25°Cv=5 m/sL=1 mQ˙=1250 W/m2 Need to determine the plate surface temperature,…

Q: A tall cylindrical tank 150 mm in diameter contains water 200 mm deep and oil (S = 0.80) 30 mm deep.…

A: Given:D=150 mmH=200 mmS=0.80D=30 mmd=100 mmh=120 mmW=5 N

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Q: A rod made from polyurethane has a stress-strain diagram in compression as shown. If the rod is…

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Q: A certain gas at temperature equivalent to 24 degrees Celsius at 8 cu.m and 200 kPa is compressed to…

A: The resulting pressure is 457.14 kPa.

Q: (i) What is a thermal energy reservoir? Give some examples.

A: Thermal energy reservoir: Thermal energy reservoir is a body with very large heat capacity that can…

Q: In a regenerative cycle, steam is supplied to the turbine at 170 bar and 1000°C. Some steam is…

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Q: B Z wp wp 750 mm 3.3 C 150 mm

A: Given  Wp=7.4 rad/s W'p=9.0 rad/s  Ws=28.5 rad/s W's=17.5 rad/s And at point o acceleration ao= 0…

Q: The following figure shows an epicyclic gear train (EGT) having two inputs. The sun gear 2 rotates…

A: Write the expression for the angular velocity of gear 3. ω3=ωarm-T2T3ω2

Q: B- in figure below the plat has a width of 1 m. the heater is connected to the heater has length of…

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Q: Temperature differences for Thermal efficiencies do not have to be converted to absolute…

A: If the thermal efficiencies of a cycle is expressed in terms of temperature difference, then it is…

Q: Also, calculate the maximum allowable force ? and the corresponding angular acceleration to prevent…

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Q: A piston cylinder set up initially contains 5 kg of water at the saturated liquid state (state 1).…

A: The work transfer for each process: W12 = 964.2 kJ W23 = 0 kJ

Q: if the magnetic flux through the core shown in Figure is (0.3 mWb) and the area is (0.25 cm^2), then…

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Q: A copper wire is stretched elastically with a stress of 70 MPa at 20°C. If the length is held…

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Q: Q2.A/ Show that the expression (1/2 mv² = √mgh) is dimensionally correct, where v is the velocity…

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Q: A helical compression spring is to be cycled between 150 lbf and 300 lbf with a 1-in stroke. The…

A: (Bartleby policy): Since you have posted a question with multiple sub-parts, we will solve the first…

Q: Explain the processes of adiabatic cooling and heating

A: Adiabatic cooling is said to be done when reduction in pressure within the system causes a volume…

Q: Refrigerant 134a flows through a horizontal tube with an inside diameter of 5 cm. The refrigerant…

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Q: = For the system shown, determine the acceleration of block A. A 300 kg B 50 kg 30º

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Q: A spherical steel tank (k-15 W/m.°C, thickness-1.5 cm) tank of inner diameter 3.85 m contains ice @…

A: When the molecules of a high temperature body transfers to the body having low temperature, then…

Q: Q2/ Suppose we are told that the acceleration a of a particle moving with uniform speed v in a…

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Q: f identical steel springs available with the following specifications: liameter = 3 in index = 6

A: W=2400lbK=1500 lb/inMean-diameter=3inSpring index=6Number of active coils=8Modulus of elasticity is…

Q: The diagram below represents the wet-bulb and dry-bulb temperatur on a sling psychrometer. What was…

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Q: Liquid cooling system is advantageous because: Select one: a. It requires many components (pump,…

A: Option b is correct  Because liquid have high conductivity than air so it will be remove heat at…

Q: the piston travel, for an engine

A: To find :-  Piston travel

Q: x² 3. If $ (x) = √ √t dt, then is do dx 0 (a) 2x² (c) 0 (b) √x (d) 1.

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Q: A 1.5 mean diameter flywheel, 600kg weight changes its speed from 240 to 230rpm during shearing…

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Q: The triple thread screw has a lead of 15 mm. Determine its thread per inch.

A: Given               Lead, L = 15 mm                           = 0.59 in No of thread, n = 3 Find…

Q: When a water vapor condenses into a liquid, * O it evolves heat O its temperature rises Oit absorbs…

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Q: Question 3: The 60 mm diameter solid shaft is subjected to the distributed and concentrated…

A: unit of CC is N-m not KN-m . Because in solution unit of CC used is N-m.

Q: 3-The Fluid friction apparatus in (major losses turbulent flows experiment) it is: h/u hoc u Log Ihl…

A: 3) False

Q: The power transmitted by a belt drive is proportional to the Tension as follows P = Tv - wv^3 / g…

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