A blower with the inlet open to the atmosphere delivers 250 cubic meters per minute of air at a pressure of 2.50 cm of water gage through a duct 25 cm in diameter, the manometer being attached to the discharge duct at the blower. Air temperature is 25 degrees C and the barometer pressure reads 1.025 bar. Calculate the required motor rating in KW if the blower efficiency is 92.5%

Q: 1. A horizontal bar AD with negligible mass is supported by a ball-and-socket at D and cables AB and…

A:

Q: In the figure shown below, the value of co- efficient of dynamic friction between 500 N block and…

A:

Q: the exhaust of a turboject engine the nozzle is operating steadily and heat loss is assumed…

A:

Q: Air flows through a long, isentropic nozzle. The temperature and pressure at the reservoir are 1000K…

A:

Q: What makes mechanical/machinery works hazardous and dangerous?

A: In mechanical engineering we deal with the either heat or large presure. This both is very dangerous…

Q: m³/kg according to the law p volume then restores the fluid In a piston cylinder system, fluid at…

A:

Q: The picture shows

A: The picture shows Answer: multi-disk clutch

Q: The picture shows

A: This question is based on the concept of gears.

Q: A spring of force constant 800Nm¹ is stretched initially by 5 cm. The work done stretching form 5 cm…

A: Given, Spring constant = k = 800 N/m Initial stretch of spring = x1 = 5 cm = 0.05 m Final stretch of…

Q: A particle starts from rest at x = -2.0 m and moves along the x-axis with the velocity history…

A:

Q: Momento. An average net force of F = (43.0 [N]) is applied to a 5.00 [kg] that has an initial…

A:

Q: What are the components of a Drone? For your response: Research and identify at least one component…

A: Given question: What are the components of a Drone.

Q: A steel circular tube is subjected to torsion by torques T applied at the ends as shown below. The…

A: This problem is related to the torsion of the shaft. torsion, when the twisting moment is applied to…

Q: 4. If 6.5 m³ of oil weighs 46,800 N, calculate its density in kg/m³. (a) 285 (b) 258 (c) 82 (d) 734

A: Given : volume of oil , V = 6.5 m3             weight of oil , W = 46800 N To find : density

Q: A pump rated at 65% efficiency is used to transport water from a large open reservoir to a point 10m…

A: Dear student,                      According to guidelines, I am allowed to answer only one problem…

Q: Can you show the solution in which you converted m=5gal/min=30.05 lbm/min using dimensional analysis

A:

Q: A bumper, consisting of a nest of three springs, is used to arrest the horizontal motion of a large…

A:

Q: A 4-mm-diameter sphere at 50°C is covered by a 1-mm-thick plastic insulation (k=0.13 W/m°C). The…

A: Given data as per the question Diameter of sphere =4 mm The thickness of insulation =1 mm k=0.13…

Q: 9. Glycerin (SG = 1.26) and µ = 1.49 Pa.s) flows through a rectangular conduit 300 mm by 450 mm at…

A:

Q: Determine the specific speed by a pump delivering 80 L/s when running at 1350 rpm if the head…

A:

Q: The steel rod is stress-free before the axial loads P₁ =169 kN and P2 = 88 kN are applied to the…

A:

Q: has diameter di = 15 mm and ea 1. Forces P1, P2 and P3 act on d ecting the bars to torsion. If P₁

A:

Q: A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15…

A: Given, Velocity during first period = v1 = 40 km/h Time spent during first period = t1 = 15 min =…

Q: If the frequency of the pump is halved, what will happen to the power consumed? P0 = initial power…

A:

Q: Determine the reactions at roller support A and fixed support B.

A:

Q: Discuss water harvesting machineries

A: Given question: Discuss water harvesting machineries.

Q: s, please help

A: R-134aP1=4 barP2=10 barT2=90°Cm˙=7kg/minPin=10.85kW˙ To-Find:- Qcv˙=?

Q: The bent flat bar rotates about a fixed axis through point O. The angle can be found at any instant…

A:

Q: 50 mm 30 mm 20 mm 40 mm * -60 mm- 40 mm x

A: GIVEN DATA- A COMPOSITE AREA GIVEN  WE HAVE TO FIND CENTROID OF AREA

Q: 'В B ·a -4 ft- 4 ft- 6 ft- 3 in. H 100 lb/ft C E 6 in 6 ft- A

A:

Q: A turbine with one extraction for regenerative feedwater heating, receives steam with an enthalpy of…

A:

Q: 2. A 15 kN/m -6 m- 9 150 kN m . B -3 m- 50 kN -3 m-

A: Solution is attached below

Q: Rotameter having a glass float (sp. gr = 4.0) is calibrated to handle a maximum flow of 80gpm of…

A:

Q: 8-68 esign 40 70 40 + A bolted lap joint using ISO class 5.8 bolts and members made of cold-drawn…

A:

Q: Water at p₁ = 20 bar, T₁ = 400°C enters a turbine operating at steady state and exits at p2 = 1.5…

A:

Q: Steam at 28 bar and 50 degrees Celsius superheat is passed through a turbine and expanded to a…

A:

Q: The cylindrical portion of the propane tank has an outer diameter of 12.02 in. and a wall thickness…

A:

Q: Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given…

A:

Q: of 660°C. The solia 0°C at which the m lid diagram from

A: solution of above problem is below:

Q: 1) determine the distance of the centroidal axis (or neutral axis, NA) from the

A: Given: A I section lying having Neutral axis along the length ,

Q: At the exhaust of a turboject engine the nozzle is operating steadily and heat loss is assumed…

A:

Q: Consider the structure below, the components of the reaction force at C are Cx = -N. 500x _N and Cy=

A:

Q: the thermal expansion coefficient is 1.5*10^-0.5 the material is cast alloy steel.  . Estimate…

A: L = 200mm  α= 1.5x10-5 / °C T= 30°C T1 = 40°C T2 = 5 ° We need to find thermal expansion X1 and X2…

Q: A. Describe the four processes, which occur in the vapor-compression-refrigeration cycle that you…

A:

Q: Large cut. From a circular disk with uniformly distributed mass M and radius R, a smaller circle of…

A: To determine the center of mass.

Q: Consider a modification of the cold air-standard Otto cycle in which the isentropic compression and…

A:

Q: An orifice meter with a throat diameter of 5-mm is set in a 75-mm pipeline containing flowing water…

A:

Q: Calculate the net heat flux per unit area and by radiation between two infinitely large parallel…

A: Introduction: Radiation heat transmission occurs in the form of electromagnetic waves, primarily in…

Q: As shown in the figure below, water flows from an elevated reservoir through a hydraulic turbine…

A: Water mass flow rate, m˙=500 kg/sSpecific volume of water, ν=10-3 m3/kgP1=1.5 bar =1.5*105 PaP2=1.0…

Q: 1. Knowing that at the instant shown crank BC has sconstant angular velocity of 100 rpm…

A: