26. Explain the principles of DC motors, including the DC permanent magnet motor and how it can have speed control. (10 marks)

Q: 3/44 The sliders A and B are connected by a light rigid bar of length = 0.5 m and move with…

A: Determine the acceleration of each slider and force at this instant .

Q: where did you get value of Ws, the 572.116, the 0.9608, and 0.3350?

A: To specify the source from where the values are taken.

Q: Find the position and the value of the maximum stress for the weld joint shown in the figure. Assume…

A: Introduction: In this problem, we are going to calculate the maximum shear stress in the case of…

Q: Explain the major and minor losses? Then solve for the parallel pipes system shown below, a pump is…

A:

Q: Q1 (a) During construction of a highway bridge, the main girders as shown in Figure Q1(a) are…

A: The maximum bending stress in a girder is 85 MPa.

Q: Draw Mohr's circle that describes each of the following states of stress. 5 MPa 20 ksi 5 MPa - 20…

A: To draw the Mohr's circle for the given state of stresses

Q: lan for the Transition to Automation (include a diagram) in Conjunction with the Appropriate…

A: The use of control systems, such as computers or robots, and information technology for handling…

Q: Two plate are joint by five rivets of 20 mm diameter. What is the shear stress in the material if…

A: For solution refer below images.

Q: The system consists of 70-lb and 15-lb blocks A and B, respectively, and 5-lb pulleys C and D that…

A:

Q: A man stands on the middle rung of a 250 N ladder resting on a smooth flo and against a wall as…

A:

Q: Q2: A composite material has a cross-sectional area of 1150 mm². The fibers carried a stress of 200…

A: Given:At=1150 mm2σf=200 MPaFf=78600 Nεt=1.56*10-3σm=6.18 MPa

Q: Q2:B) Calculate the power required to pull (1.5m x 1.5m) flat plate at speed (1 m/s) to the left…

A: Given data Dimensions of plate = 1.5 m x 1.5 m Speed of flat plate = 1 m/s Horizontal spacing = t =…

Q: Member ABC has a mass of 2.4 kg and is attached to a pin support at B. A 0.8 kg sphere D strikes the…

A: Given : To find : Negligible impulse force

Q: Two shafts, one of steel and the other of phosphor bronze, are of the same length and are subjected…

A: Answer: (a) The diameter of the phosphor-bronze shaft is 28.12 mm. (b) The ratio of the maximum…

Q: A steam turbine receives 362500 kg/h of steam throttled at 8.70 Mpa and 410C. Steam leaves the high…

A: Given data, Mass flow rate of the steam, m˙s= 362500 kg/h m˙s=3625003600m˙s=100.69 kg/s Pressure at…

Q: Gage B reads PB______ kPa as shown in Figure (2). What is the height of the water in meters?. What…

A: Gage B reads, PB=06 kPaSpecific gravity of mercury, SGHg=13.54Density of water, ρw=1000…

Q: (7) A rod of 0.12in diameter is coiled into a tension spring of 20 effective coils with a mean…

A: Disclaimer: “Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: List (1) 1. grinding process: 2. spot welding: 3. drawing: 4. runner: 5. wavy edges: 6. hot forming:…

A: Grinding is the material removal process in which the grinding wheel is used as a tool. it has a…

Q: Q3:B) A rectangular gate (length 3m, wide 1m) inclined at 50⁰ with the horizontal level and hinged…

A:

Q: Q4/ The jib crane is supported by a pin at C and rod AB. If the load has a m a mass of 3 Mg with its…

A: Givenm=3 Mg =3000 Kx=6 m

Q: The control lever is subjected to a clockwise couple of 112 N-m exerted by its shaft at A and is…

A: Given data: MA=112 N.mF=300 Na=145 mmθ=24° Need to determine the dimension (x) of the lever.

Q: An 80-percent-efficient pump with a power input of 30 hp is pumping water from a lake to a nearby…

A:

Q: 1) Convert 20 hp to KN 2 Free Body diagram. 3 to all link Force Analysis to all Link

A: (1) hp means horsepower and hp is the unit of power while kN (kilo Newton ) is the unit of force. so…

Q: (b) A cylindrical tank of outer diameter 3.0 m and wall thickness 20 mm is open at the top as shown…

A: givend=3m=3000mmt=20mmγ=9.81 kN/m3σc=8MPa

Q: 06-Determine the maximum force P that can be applied without causing movement of the 90-kg crate…

A: For solution refer below images.

Q: An orifice meter consisting of 10 cm diameter orifice in a 25 cm diameter pipe has Ca=0.65. The pipe…

A: Given data: d1=25 cmd2=10 cmCd=0.65SG=0.8∆h=90 cm Need to determine the pressure difference on the…

Q: 3.) A steam power plant uses the ideal Reheat-Regenerative Rankine cycle where the steam enters the…

A:

Q: Q1/ From Fig (1) Determine: the magnitude of F1 and its direction If you know that the resultant…

A: Given

Q: (b) increase in viscosity of liquid (c)decrease in viscosity of gas (e) (a) and (d) above. O The…

A: As per guidelines we need to answer only first question so please repost rest questions separately.

Q: The blades of the portable fan generate a 1.0-lb thrust T as shown. Compute the moment Mo of this…

A:

Q: Q. 1 Determine the coordinate angle for F2 and then express each force acting on the bracket as…

A:

Q: Define the boundary layer_

A: we have to define the boundary layer

Q: In order for steam to turn the turbine in the generator of a heat engine, the steam must be…

A:

Q: Q2-A- Use the graphical method to find the magnitude and direction of the resultant of these forces.…

A:

Q: Q4 - Two blocks A and B of weight 350 N and 600 N, respectively are connected by a cord that passes…

A:

Q: Determine the internal energy change for carbon monoxide, in kJ/kg, as it is heated from 312° K to…

A:

Q: A centrifugal pump that is used in pumping water to a tank operates at a rate of 1 gpm. The pump is…

A: The rate of flow of the pump is 1.29412 gpm.

Q: P S*: States S* -S*: Process A*: Area QS3 $1 $2 A1 Fluid goes through four state changes S1, S2, S3…

A:

Q: Q2-B- Fill in the blank with the correct answer. 1. When the resultant of force system acting on a…

A: 1). When resultant force acting on body is zero. Then it called body is in equilibrium condition.…

Q: ow small does a physical system have to be to qualify as a lumped-parameter system

A: we have to discuss when we can assume if a system is lumped.

Q: Three forces of 50 N, 40 N and F N acts on a bracket as shown in figure (3). Determine: (a) The…

A: Determine:   (a) The summation of moment of the two forces about O and its direction   (b) The…

Q: Do we see any negative effects on the acoustic performance of a room whose inner surfaces are mostly…

A: given; do we see any negative effects on the acoustic performance of a room whose inner surface are…

Q: The assembly is made of the slender rods that have a mass per unit length of 4 kg/m. (Figure 1)…

A:

Q: An isosceles triangle has a 10cm base and a 10 cm altitude. Determine the moment of inertia of the…

A:

Q: In energy conversion in boiler, which combinations of the following are encountered as losses? a.…

A: Introduction: Boilers are used in power plants to generate high-pressure steam, which allows the…

Q: Products produced by precision forging require Select one: O a. no additional finishing operations…

A: Introduction: Precision forging is defined as a flashless near net shape forging operation which…

Q: A moment and four forces are applied to a two-dimensional frame as shown in figure below. Replace…

A:

Q: NET THRUST - POUNDS THRUST LAPSE RATE APPROX. 36,000 FT. ALTITUDE - FT.

A:

Q: Introduce slack variables as necessary and then write the initial simplex tableau for the given…

A:

Q: Q3:A) List the devises that used to measure the velocity, pressure, volume flow rate and sketch each…

A:

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.