h (t) F-

Q: How is the rpm (revolutions per minute) of an actual four-stroke gasoline engine related to the numb...

A: Let us say, The number of revolutions per minute is =N The number of cycles completed is =n   Every ...

Q: A piston–cylinder device initially contains 0.6 m3 of saturated water vapor at 250 kPa. At this stat...

A: First, determine the mass of the water from the initial volume and specific volume for the given pre...

Q: A vertical piston–cylinder device initially contains 0.12 m3 of helium at 20°C. The mass of the pist...

A: To determine the exergy destruction, first, calculate the heat transfer. Write the expression of the...

Q: A 250-V, 4-pole, wave-wound d.c. series motor has 782 conductors on itsarmature. It has armature and...

A:

Q: What is the product of inertia?

A: The product of inertia is an essential factor in the rotational motion of objects. The value of the ...

Q: A pair of wedges is used to lift a crate as shown in The crate weighs 3000 N, the wedge angle 0 is 1...

A: Write the expression of the coefficient of friction.

Q: For the steel beam used to the support the loads shown below: a) Draw normal and shear force diagram...

A:

Q: Which choice is not a scaling parameter used to nondimensionalize the equations of motion? (a) Chara...

A: The kinematic equations of motion with fundamental dimensions are: The dimensional formulas for the...

Q: Round off the number to two significant figures. Find the percent difference between each rounded-of...

A: Origianl Number = 3.6544 New Number= after rounded off to two significant figures = 3.7   

Q: Consider the velocity field given by u = y/(x2 + y2) and v = −x/(x2 + y2).          Calculate the vo...

A: Given Data: The component of velocity in x-direction is u = y/(x2+y2) The component of velocity in ...

Q: Question 4 Three collinear horizontal forces of magnitude 400 N, 200 N and 250 N are acting on rigid...

A: The data given is, Magnitude fo forces F1 = 400 N F2 = 200 N F3 = 250 N

Q: Long cylindrical steel rods (ρ = 7833 kg/m3 and cp = 0.465 kJ/kg·°C) of 8 cm diameter are heat-treat...

A: Given Data: Density of the rod is ρ = 7833 kg/m3. The specific heat capacity of the rod is cP = 0.4...

Q: A 12-ft3 rigid tank contains refrigerant-134a at 30 psia and 55 percent quality. Heat is transferred...

A: From the refrigerant tables,

Q: Seven hundred gallons per minute of water are being discharged by a centrifugal pump 5 ft above the ...

A:

Q: The beam is made of phenolic, a structural plastic, that has the stress–strain curve shown. If a por...

A: Given data To determine the magnitude of uniformly distributed load in the section for not to exce...

Q: Slender bar A is rigidly connected to a massless rod BC in Case 1 and two massless cords in Case 2 a...

A: Write the expression for the total kinetic energy of slender bar A for case 1.

Q: The inner and outer glasses of a 2-m × 2-m double pane window are at 18°C and 6°C, respectively. If ...

A: Given data: The area of the inner and the outer glasses is A=2 m×2 m= 4 m2 The space between the two...

Q: 20–31. The rod is attached to smooth collars A and B at its ends using ball-and-socket joints. Deter...

A: The velocity of the collars are  

Q: In a production facility, 1.2-in-thick, 2-ft × 2-ft square brass plates (ρ = 532.5 lbm/ft3 and cp = ...

A: Given data  

Q: 7-2. A force of 80 N is supported by the bracket as shown. Determine the resultant internal loadings...

A:

Q: short answers:

A: Theory of the mass transfer: There are many theories that explain the behavior of the mass transfer ...

Q: How work can always be converted to heat directly and completely, but the reverse is not true.

A: Both work and heat are the two different forms of energy. Heat is the energy interaction because of ...

Q: A lever AB of negligible weight is loosely fitted onto a 2.5-in.-diameter fixed shaft. Knowing that ...

A: The radius of shaft r = 2.5/2 inch = 1.25 in. The coefficient of static friction is μs = 0.15 N The ...

Q: 15-57. The 10-kg block is held at rest on the smooth inclined plane by the stop block at A. If the 1...

A: Given data as per the question Mass of block = 10 kg Mass of bullet = 10 g = 0.01 kg Velocity of bul...

Q: *12-152. A particle P travels along an elliptical spiral path such that its position vector r is def...

A: The position vector of particle P is given as, On differentiating position vector with time, the ve...

Q: A heat pump with refrigerant-134a (R-134a) as the working fluid is used to keep a space at 21 °C by ...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: 19-1. The rigid body (slab) has a mass m and rotates with an angular velocity o about an axis passin...

A:

Q: It is a well–known fact that Roman aqueduct customers obtained extra water by attaching a diffuser t...

A: Write the expression of the Reynold number. Write the expression of the friction factor.

Q: Why are throttling devices commonly used in refrigeration and air-conditioning applications?

A: In a refrigeration system, when the refrigerant exits the condenser it is at high pressure and this ...

Q: How can you determine the modulus of elasticity and the modulus of rigidity of the material?

A: The expression to determine the modulus of elasticity is, Here, Y is the modulus of the elasticity ...

Q: A 250 × 400-mm plate of mass 12 kg and a 300-mm-diameter pulley are welded to axle AC that is suppor...

A: Draw the free body diagram.  

Q: Using the geometry of Fig.  prove that the most effi -cient circular open channel (maximum hydraulic...

A: The hydraulic diameter of flow through a channel can be expressed as, For the most efficient flow, ...

Q: Question 1. Refrigerant-I34a enters a compressor (as a saturated vapor) at 14°C. It leaves at 1600 k...

A:

Q: Using the method of Sec. 10.2C, solve Prob. 10.37.Reference to Problem 10.37:Knowing that the consta...

A: Draw the free-body diagram of the system.

Q: Describe the strain and energy?

A: When a body is subjected to any tensile or compressive forces then the body undergoes deformation .D...

Q: The venturi meter is to be installed in a schedule 40 4-in(ID=4.026 in) line to measure the flow of ...

A: Given data in SI unit:

Q: A stationary temperature probe inserted into a duct where air is flowing at 190 m/s reads 85°C. What...

A: Given data

Q: The rod has a circular cross-section with a moment of inertia I. If a vertical force P is applied at...

A: Given data: The moment of inertia of the rod is I. The modulus of elasticity of the rod is E.   Co...

Q: Determine the equivalent state of stress on an element which represents (a) the principal stresses, ...

A: Given, σy = -30 ksi σx = 0 ksi σxy = 10 ksi    

Q: calculate equivalent resistance?

A: Consider the following figure: Let I be the current supplied. Beyond point A the three resistances ...

Q: *18-4. A force of P = 60N is applied to the cable, which causes the 200-kg reel to turn since it is ...

A: Given data:   *The force applied to the cable is P=60 N. *The mass of the reel is m=200 kg. *The ini...

Q: Problem 5.18: A furnace has inside dimensions of 1 m × 1.2 m × 1.5 m. The walls are 0.25 m thick. Th...

A:

Q: The 20 × 20-in. square plate shown weighs 56 lb and is supported by three vertical wires. Determine ...

A: The tension in the wire is shown below – The tension in the wire is shown below –  

Q: Consider an air solar collector that is 1 m wide and 4 m long and has a constant spacing of 3 cm bet...

A: The properties of air at 45 oC are given as, The hydraulic diameter is written as, The velocity of...

Q: A cantilever beam of length 6 m (Figure 1) carries point loads of 4 kN and 3 kN at a midspan and fre...

A:

Q: 1- The maximum deflection of the cantilever beam is at the fixed end. [True/False] 2- The boundary c...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: *16–132. While the swing bridge is closing with a constant rotation of 0.5 rad/s, a man runs along t...

A: The angular velocity of the system is The position vector of the person is The velocity of the man...

Q: A muffler shop has three mechanics. Each mechanictakes an average of 45 minutes to install a new muf...

A: Given data A muffler shop has three mechanics. Each mechanic takes an average of 45 minutes to insta...