Consider a computer system with access to three levels of memory: cache, RAM and HDD. The computer system's cache hit rate of 95 %, A RAM hit rate of 95%. The the cache access time is 0.01 usec, the RAM access time is 0.1 usec and the HDD access time is 10 sec. What is the word access time if the word is accessed directly from the cache, and if missed will be accessed directly from the RAM and if missed will be directly accessed from the HDD. • What is the word access time if cache is not used What is the word access time if cache is used What is the performance improvement if cache is used?

Answer:

D. Measure the voltage on the conductor with a known good meter

Explanation:

In a safe approach to electrical work,the thing that you should always do immediately before touching any electrical conductor is  C. Measure the voltage on the conductor with a known good meter.

One should never touch any wires or conductors until you are certain that their electrical supply has been turned off. Circuits must be locked out and marked with a tag to prevent re-energizing them. A conductor is always risky. Before working on a circuit, always test to make sure it is deenergized.

The action you should always do right away before touching any electrical conductor is  the safest approach to electrical work. Use a reputable meter to measure the voltage across the conductor.

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Answer:

c) can be made with a variety of surface finishes.

Explanation:

The missing options are;

When it comes to concrete work in construction, the concrete can be cast either in-situ or in form of pre-cast concrete.

Now in-situ concrete means concrete done on the construction site being built while pre cast concrete simply means concrete cast outside in a factory or yard and brought to site to mount.

These pre cast concrete could have different surface finishes as required as this is one of it's advantages over in situ because there is a lot of space and room to have the desired concrete finish.

a) are typically manufactured on site and then hoisted into place.

b) cannot be fiber-reinforced.

c) can be made with a variety of surface finishes.

d) never include insulation.

e) often are unreinforced.

Answer:

Explanation:

research how your company offers promotions show professional behavior at all times set both short and long-term personal goals make sure some goals are only for personal growth

The manufacturing process of motorcycles involves multiple steps. The production machines used include CNC laser cutting and welding machines for frame building, CNC machines, grinders, and boring machines for engine building, a paint booth with a robot for painting and finishing, wire-cutting machines for electrical installation, and dyno machines for quality control.

The manufacturing process of motorcycles involves the following steps:

Step 1: Frame Building

- CNC laser cutting machine cuts steel sheets to shape.

- Welding machine joins steel sheets to form the frame.

Step 2: Engine Building

- CNC machines for milling, lathing, grinders, and boring machines are used.

- Parts are fabricated and assembled to create the engine.

Step 3: Paint and Finishing

- Motorcycle is taken to a painting booth.

- Paint robot sprays paint onto the motorcycle.

- Motorcycle is dried and finished.

Step 4: Electrical Installation

- Electrical components such as headlights, turn signals, and ignition switch are installed.

- Wiring harnesses are built using a wire-cutting machine and installed.

Step 5: Quality Control

- Motorcycle is tested on a dyno machine for proper functioning.

- Quality control team inspects the motorcycle to ensure it meets standards.

- Defects are corrected before shipping.

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Answer:

  resistance

Explanation:

A strain gauge changes resistance with applied strain.

Answer:

Kirchhoff's current law (1st Law) states that the current flowing into a node (or a junction) must be equal to the current flowing out of it

Explanation:

One may choose to save an Excel workbook as a shared workbook if they wish to allow multiple people to work in the same spreadsheet at once.

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Answer:

The mass of fuel added, which is 10,166.2 kg is less than 22,300 kg which is the mass of fuel required to travel from Toronto to Edmonton, the plane therefore crashed.

Explanation:

Since density ρ = m/v where m = mass of fuel and v = volume of fuel, we need to find the mass of each volume of fuel.

So, m = ρv now ρ = specific gravity × density of water = 0.803 × 1000 kg/m³ = 803 kg/m³.

To find the mass of the 7,682 L of fuel, its volume is 7,682 dm³ = 7,682 dm³ × 1 m³/1000 dm³ = 7.682 m³.

It's mass, m = 803 kg/m³ × 7.682 m³ = 6168.646 kg

To find the mass of the extra 4,916 L of fuel added, we have

m' = ρv' where v' = 4,916 L = 4,916 dm³ = 4916 dm³ × 1 m³/1000 dm³ = 4.916 m³

m' =  803 kg/m³ × 4.916 m³ = 3947.548 kg

So, the total mass of the fuel is m" = m + m' = 6168.646 kg + 3947.548 kg = 10116.194 kg ≅ 10,166.2 kg

Since this mass of fuel added, which is 10,166.2 kg is less than 22,300 kg which is the mass of fuel required to travel from Toronto to Edmonton, the plane therefore crashed.

Answer: B.Idle relearn

Explanation:

When replacing an intake manifold gasket due to a vacuum leak, using a scan tool for idle relearn is a crucial step to complete the job. The Option B.

The scan tool is used to reset the idle control system and allow the engine's computer to relearn the correct idle speed and air/fuel mixture. This is important because the replacement of the intake manifold gasket can affect the engine's idle characteristics.

By using the scan tool to perform an idle relearn procedure, the engine management system can recalibrate and optimize the idle control parameters, ensuring smooth and stable idle operation. This step helps to restore the engine's performance and maintain proper combustion efficiency after the intake manifold gasket replacement.

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Answer:

C = $0.0032 per day

Explanation:

We are given;

Dimension of cell phone; 50 mm × 45 mm × 20 mm

Temperature of charger; T1 = 33°C = 306K

Emissivity; ε = 0.92

convection heat transfer coefficient; h = 4.5 W/m².K

Room air temperature; T∞ = 22°C = 295K

Wall temperature; T2 = 20°C = 293 K

Cost of electricity; C = $0.18/kW.h

Chargers are usually in the form of a cuboid, and thus, surface Area is;

A = (50 × 45) + 2(50 × 20) + 2(45 × 20)

A = 6050 mm²

A = 6.05 × 10^(-3) m²

Formula for total heat transfer rate is;

E_t = hA(T1 - T∞) + εσA((T1)⁴ - (T2)⁴)

Where σ is Stefan Boltzmann constant with a value of; σ = 5.67 × 10^(-8) W/m².K⁴

Thus;

E_t = 4.5 × 6.05 × 10^(-3) (306 - 295) + (0.92 × 6.05 × 10^(-3) × 5.67 × 10^(-8)(306^(4) - 293^(4)))

E_t = 0.7406 W = 0.7406 × 10^(-3) KW

Now, we know C = $0.18/kW.h

Thus daily cost which has 24 hours gives;

C = 0.18 × 0.7406 × 10^(-3) × 24

C = $0.0032 per day

If the number of turns in the coil is increased, the induced electromotive force in the coil will A. Increase.

According to Faraday's law of electromagnetic induction, the magnitude of the induced electromotive force (EMF) in a coil is directly proportional to the rate of change of magnetic flux passing through the coil. The magnetic flux is influenced by factors such as the strength of the magnetic field and the number of turns in the coil.

When the number of turns in the coil is increased, more individual loops are present, resulting in a larger surface area for magnetic flux to pass through. As a result, a greater amount of magnetic flux is linked with the coil, leading to a higher rate of change of flux and an increased induced EMF.

Therefore, increasing the number of turns in the coil enhances the effectiveness of electromagnetic induction, resulting in a greater induced electromotive force.

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Answer: Ethanol

Explanation:

Answer:

10

Explanation:

The speed of the chain is the same for both sprockets.

vᵢ = vₒ

ωᵢ rᵢ = ωₒ rₒ

The sprockets have the same pitch, so the radius is proportional to the number of teeth.  So we can say:

ωᵢ nᵢ = ωₒ nₒ

Plugging in values:

(60 rpm) (40) = (240 rpm) nₒ

nₒ = 10

The output sprocket has 10 teeth.  This makes sense, if the output sprocket is 4 times smaller, it will turn 4 times faster than the input sprocket.

Answer: it is 10 teeth and the guy under me already explained soo

Explanation:

The hydraulic system is an essential system in large aircraft that uses fluid mechanics to transmit energy. The hydraulic system layout for a large category of aircraft comprises several subsystems, each with its function.

The hydraulic system of a large aircraft  several subsystems, including the hydraulic power system, hydraulic fluid system, and hydraulic control system.1. Hydraulic power system This system comprises a power source, such as an engine-driven pump or a hydraulic motor, which provides hydraulic power to other subsystems in the hydraulic system.  

Hydraulic fluid system ,This subsystem is responsible for the distribution and storage of hydraulic fluid to the various hydraulic actuators in the hydraulic system. The hydraulic fluid system consists of fluid reservoirs, pumps, coolers, filters, and fluid lines.3. Hydraulic control systemThis subsystem comprises several hydraulic actuators that are responsible for performing different functions, such as controlling the aircraft's landing gear, flaps, and brakes. The hydraulic control system also includes valves, manifolds, and control units.

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An engine is composed of several major components; the block, the crank, the rods, the pistons, the head (or heads), the valves, the cams, the intake and exhaust systems and the ignition system. These parts work together in an exacting manner to harness the chemical energy in gasoline.

The engine block consists of a cylinder block and a crankcase. An engine block can be produced as a one-piece or two-piece unit. The cylinder block is the engine component that consists of the cylinder bore, cooling fins on air-cooled engines, and valve train components, depending on the engine design.

hope this helps

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Answer:

C) a winding connected in series with the armature.

Explanation:

In a series motor, an electromagnet is used as a stator to generate its magnetic field. The field coil of this stator are connected through a commutator in series with the rotor windings. This stator which is the armature windings will conduct AC even on a DC machine, due to the  periodically reverses current direction (commutation) or due to electronic commutation (as in brushless DC motors).

Answer:

80% of the people that were killed weren't wearing a safety flotation device ( in correct terminology Personal Flotation Device, or PFD )

Explanation:

Hence they drowned due to the lack of safety.

The condition present in over 80% of paddling fatalities is that the victims were said to be not wearing a personal flotation device (PFD).

The act of paddling is known to be a sport or something one can do for fun or for games.

Conclusively, a lot of paddling fatalities 1995-2000 was due to the fact that the people who were engage in the sport or act were not putting on  a personal flotation device (PFD) and this can lead to death or drowning.

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Answer:

mobile

Explanation:

.

Answer:

Mobile crane

Explanation:

The two types of cranes are overhead and mobile.

Solution :

It is given that :

Thermal coefficient = 0.0045/K

Ambient temperature, \($T_a = 25 - 40^\circ$\)

air velocity, v = 0-5 m/s

Solar radiation, \($G= 400-100 \ W/m^2$\)

\($P=50 \ W$\)

Model calculations :

Cell temperature (\($T_c$\))

\($T_c = T_a + \left(\frac{0.25}{5.7+3.8 \ v_w}\right) G$\)

where \($ v_w - v_a = $\) wind speed / air speed

∴ \($T_c = 2 \pi + \left(\frac{0.25}{5.7+3.8 \times 1}\right) \times 400$\)

   \($T_c = 35.526 ^\circ$\)

\($\Delta T = T_c -25$\)

      = 35.526 - 25

      = 10.526 K

Thermal coefficient = 0.0045 x 10.526

                                = 0.04737

Pv power = \($(1 -C_T) \times P \times \frac{G}{1000}$\)

                \($=(1 -0.04737) \times 50 \times \frac{400}{1000}$\)

                = 17.0526 W

Answer:

a) 600°F  days

b) 103°F  days

Explanation:

Given data :

overall heat loss coefficient = 400 Btu/h.oF

Furnace efficiency = 0.78

applying the degree- day method the heating energy requirement per day can be obtained by subtracting the average temperature for a particular day from the acceptable mid/balance point temperature

lets assume the mid/balance point temperature = 65°F

a) heating energy requirement in Denver Colorado

 we will have 600°F days  ; considering the  the average temperature - balance point temperature

= 665 - 65 = 600°F

b) heating energy requirement in Little Rock Arkansas

 we will have 103°  days

Answer:

The equilibrium temperature is 109.7°C

The total entropy change for the process is 0.23 kJ/K

Explanation:

The parameters given are;

The initial temperature of aluminium, T₁ₐ = 140°C = 413.15 K

Mass, m₁, of aluminium block = 28 kg

The specific heat of aluminium, c₁, at 400 K = 0.949 kJ/(kg·K)

The initial temperature of iron, T₁ₙ = 60°C = 333.15 K

Mass, m₂, of iron block = 36 kg

The specific heat of iron, c₂, at room temperature = 0.45 kJ/(kg·K)

The heat lost by the aluminium = Heat gained by the iron

The heat lost by the aluminium = m₁ × c₁ × (T₁ₐ - Tₓ)

The heat lost by the aluminium = 28 × 0.949 × (413.15 - Tₓ)

The heat gained by the iron =  m₂ × c₂ × (Tₓ - T₁ₙ)

The heat gained by the iron =  36 × 0.45 × (Tₓ - 333.15)

Hence;

28 × 0.949 × (413.15 - Tₓ) = 36 × 0.45 × (Tₓ - 333.15)

26.572 × (413.15 - Tₓ) = 16.2 × (Tₓ - 333.15)

∴ (26.572 + 16.2) × Tₓ = 26.572 × 413.15 + 16.2 × 333.15

42.772·Tₓ = 16375.2518

Tₓ = 382.85 K = 109.7°C

The total entropy change of the process is given by the following relation;

\(\Delta S = \Delta S_{Fe} + \Delta S_{Al}\)

\(=m_{1}c_{1}ln\dfrac{T_{x}}{T_{1n}}+m_{2}c_{2}ln\dfrac{T_{x}}{T_{1a}}\)

\(=28 \times 0.949 \times ln\dfrac{382.85}{413.15}+36 \times 0.45 \times ln\dfrac{382.85}{333.15} = 0.23 \, \dfrac{kJ}{K}\)

When trying to improve the insulation of a house, there are certain things that should be avoided in order to ensure that the insulation is effective and safe. These include:

Blocking air vents: Air vents are important for proper air circulation and ventilation in a house. Blocking them can lead to problems such as mold growth, indoor air pollution, and even carbon monoxide poisoning.Using flammable materials: Insulation materials should be nocombustible and fire-resistant. Using flammable materials can create a serious fire hazard and put the occupants of the house at risksafety precautions: Insulation installation can be a hazardous process, especially if proper safety precautions are not taken. This can include wearing protective gear, ensuring proper ventilation, and following manufacturer instructions carefully.Over-insulating: While proper insulation is important for energy efficiency, over-insulating can lead to problems such as moisture buildup, which can lead to mold growth and structural damage.

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Answer:

1. 1111.5MPa

2. 56.1GPa

Explanation:

1. Longitudinal tensile stress can be obtained by obtaining the strength and volume of the fiber reinforcement. The derived formula is given by;

σcl = σm (1 - Vf) + σfVf

Substituting the figures, we will have;

45(1 - 0.30) + 3600(0.30)

45(0.70) + 1080

31.5 + 1080

= 1111.5MPa

2. Longitudinal modulus of elasticity or Young's modulus is the ability of an object to resist deformation. The derived formula is given by;

Ecl = EmVm + EfVf

Substituting the formula gives;

= 2.4 (1 - 0.30) + 131 (0.30)

= 2.4(0.70) + 39.3

= 16.8 + 39.3

= 56.1GPa

Using the appropriate relation, the longitudinal tensile stress and the longitudinal modulus are 1111.50 and 56.10 respectively.

Longitudinal tensile stress can be obtained using the relation :

Substituting the values into the relation:

45(1 - 0.30) + 3600(0.30)

45 × 0.70 + 1080

31.5 + 1080

= 1111.50 MPa

2.)

Longitudinal modulus of elasticity is obtained using the relation :

Substituting the values thus :

2.4 (1 - 0.30) + 131 (0.30)

= 2.4 × 0.70 + 39.3

= 16.8 + 39.3

= 56.10 GPa

Hence, the longitudinal tensile stress and the longitudinal modulus are 1111.50 and 56.10 respectively.

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Answer

The skateboarder applies pressure to the trucks and gives/releases pressure on the levers. Second, the wheels and the axles are also examples of simple machines. They help the skater ride, spin, grind, and do a bunch of other radical movements on a skateboard.:

Explanation:

The logical point where different software entities communicate is known as a public interface in computer science.

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The temperature of the ideal gas flow at the inlet of the nozzle is `1905 K` for Argon, Helium, or Nitrogen.

Since the process is adiabatic, `q = 0`. Also, as the process is steady, the change in kinetic and potential energies is negligible.

Therefore, the steady flow energy equation reduces to:

`h1 + (V1² / 2) = h2 + (V2² / 2)`

where h1 and h2 are the specific enthalpies at the inlet and outlet of the nozzle, and V1 and V2 are the velocity of the gas at the inlet and outlet of the nozzle.

Substituting the given values in the above equation, we get:

`Cv * Ti + (V1² / 2) = Cv * 300 + (250² / 2)`

Substituting the value of `γ = 5/3` in the above equation, we get:

`(5/3) * Cv * Ti + (V1² / 2) = (5/3) * Cv * 300 + (250²/ 2)`

As `Cv` is a constant, we can simplify the above equation as:

`(5/3) * Cv * Ti = (5/3) * Cv * 300 + (250² / 2) - (V1^2 / 2)`

Dividing the above equation by `Cv * (5/3)`, we get:

`Ti = (300 + ((250² / 2) - (V1² / 2)) / Cv`

Substituting the value of `Cv` for each of the gases, we get:

For Argon, `Cv = 0.0125 kJ/(kg.K)``

Ti = (300 + ((250² / 2) - (25² / 2)) / 0.0125 = 1905 K`

For Helium, `Cv = 0.0125 kJ/(kg.K)``

Ti = (300 + ((250² / 2) - (25² / 2)) / 0.0125 = 1905 K`

For Nitrogen, `Cv = 0.0125 kJ/(kg.K)``

Ti = (300 + ((250² / 2) - (25²/ 2)) / 0.0125 = 1905 K`

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The program to illustrate the integer will be:

n = int(input("Enter a number: "))

i = 1

print(n,"\t",end = "")

while(n != 1):

   if(n%2 == 0):

       n = n/2

   else:

       n = 3*n + 1  

   print(n,'\t',end = "")

   i = i+1  

   if(i == 10):

      i = 0

      print("")

The process of creating instructions for computers to follow is known as computer programming. The code, also referred to as the instructions, is written in a programming language that the computer can comprehend and use to carry out a task or address a problem.

One can benefit from coding because it boosts their confidence and it equips one with the practical abilities like creativity, problem-solving, and perseverance.

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Cox (1997) argues that the supply chain alone is not sufficient and that it is better understood when mapped with parallel value. In other words, the supply chain should not be considered in isolation, but rather in conjunction with the value that is being created throughout the entire process.

When we talk about mapping the supply chain with parallel value, we are essentially looking at how each step in the supply chain contributes to the overall value that the product or service delivers to the customer. This includes not only the physical aspects of the supply chain, such as sourcing, production, and distribution, but also the intangible aspects, such as customer service, brand reputation, and innovation.

Mapping the supply chain with parallel value helps to identify areas where value can be enhanced or where inefficiencies may exist. By understanding how each step in the supply chain impacts the overall value proposition, organizations can make more informed decisions and implement improvements that align with their strategic goals.

In conclusion, Cox's argument highlights the importance of considering both the supply chain and the value creation process together. Mapping the supply chain with parallel value allows organizations to gain a comprehensive understanding of how value is created and delivered to customers, enabling them to optimize their operations and enhance customer satisfaction.

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Answer:

There are several places where you can buy water sensitive papers in the Philippines:

Scientific supply stores: Many scientific supply stores in the Philippines carry water sensitive papers. You can try searching for stores in your area that specialize in scientific equipment and supplies.

Online retailers: There are several online retailers in the Philippines that sell water sensitive papers. You can try searching for water sensitive papers on websites such as Lazada, Shopee, or Amazon.

Educational supply stores: Some educational supply stores in the Philippines may carry water sensitive papers. You can try searching for stores in your area that specialize in supplies for schools and universities.

Chemical supply companies: Some chemical supply companies in the Philippines may carry water sensitive papers. You can try contacting companies in your area to see if they have water sensitive papers available for purchase.

It is always a good idea to check the availability and price of water sensitive papers at multiple sources to find the best option for your needs.

Explanation: