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-BARSIC- [3]
3 years ago
15

A tendon-operated robotic hand can be implemented using a pneumatic actuator. The actuator can be represented by

Engineering
1 answer:
Dimas [21]3 years ago
4 0

Answer:

G(s)=1000/(s+100)(s+10)

Using the inverse Laplace transformation

Magnitude of this function=10

Phase shift=10,20,700

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A reversible compression of 1 mol of an ideal gas in a piston/cylinder device results in a pressure increase from 1 bar to P2 an
Mashutka [201]

Answer:

attached below

Explanation:

6 0
3 years ago
A 4-stroke Diesel engine with a displacement of Vd = 2.5x10^-3m^3 produces a mean effective pressure of 6.4 bar at the speed of
yKpoI14uk [10]

Answer:

The power developed by engine is 167.55 KW

Explanation:

Given that

V_d=2.5\times 10^{-3} m^3

Mean effective pressure = 6.4 bar

Speed = 2000 rpm

We know that power is the work done per second.

So

P=6.4\times 100\times 2.5\times 10^{-3}\times \dfrac{2\pi \times2000}{120}

We have to notice one point that we divide by 120 instead of 60, because it is a 4 cylinder engine.

P=167.55 KW

So the power developed by engine is 167.55 KW

4 0
3 years ago
The drag coefficient of a car at the design conditions of 1 atm, 25°C, and 90 km/h is to be determined experimentally in a large
SIZIF [17.4K]

Answer: 0.288

Explanation:

Given

Pressure of the car, P = 1 atm

Temperature of the car, T = 25° C

Speed of the car, v = 90 km/h = 90*1000/3600 = 25 m/s

Height of the car, h = 1.25 m

Width of the car, b = 1.65 m

Force acting on the far, F = 220 N

Drag coefficient, C(d) = ?

Using our table A-9, we can trace that the density of air ρ, at the given temperature and pressure of 25 °C and 1 atm, is 1.184 kg/m³

Area = h *b

Area = 1.25 * 1.65

Area = 2.0625 m²

Now we solve for the drag coefficient using the formula

C(d) = F / (1/2 * ρ * A * v²)

C(d) = 220 / (0.5 * 1.184 * 2.0625 * 25²)

C(d) = 220 / (1.221 * 625)

C(d) = 220 / 763.125

C(d) = 0.288

Therefore, the drag coefficient is 0.288

3 0
3 years ago
if two or more resistors are connected in parallel, the total resistance is _ than any single resistor
Andreas93 [3]
Parallel Resistor Equation
If the two resistances or impedances in parallel are equal and of the same value, then the total or equivalent resistance, RT is equal to half the value of one resistor. That is equal to R/2 and for three equal resistors in parallel, R/3, etc.
7 0
3 years ago
Problem 9.11 A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a plane strain f
BabaBlast [244]

Answer:

the critical flaw length is 10.06 mm

Explanation:

Given the data in the question;

plane strain fracture toughness K_{tc = 92 Mpa√m

yield strength σ_y = 900 Mpa

design stress is one-half of the yield strength ( 900 Mpa / 2 ) 450 Mpa

Y = 1.15

we know that;

Critical crack length a_c = 1/π( K_{tc / Yσ )²

we substitute

a_c = 1/π( 92 Mpa√m / (1.15 × 450 Mpa  )²

a_c = 1/π( 92 Mpa√m / (517.5 Mpa  )²

a_c = 1/π( 0.177777  )²

a_c = 1/π( 0.03160466 )

a_c = 0.01006 m = 10.06 mm

Therefore, the critical flaw length is 10.06 mm

{ a_c = ( 10.06 mm ) > 3 mm

The critical flow is subject to detection

5 0
3 years ago
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