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4 years ago

Line.

Engineering

1 answer:

Veronika [31]4 years ago

7 0

Air supplied to a pneumatic system is supplied through the C. Actuator

Explanation

Pneumatic systems are like hydraulic systems, it is just that these systems uses compressed air rather than hydraulic fluid. Pneumatic systems are used widely across the industries. these pneumatic systems needs a constant supply of compressed air to operate. This is provided by an air compressor. The compressor sucks in air at a very high rate from the environment and stores it in a pressurized tank. the Air is supplied thereafter with the help of a actuator valve that is a more sophisticated form of a valve.

From the above statement it is clear that Air supplied to a pneumatic system is supplied through the Actuator

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Opposition to current flow, restricts or resists current flow

BlackZzzverrR [31]

Answer:

The answer is c-resistance

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3 years ago

Engineers need to look for non-technological systems, as well as technological problems, to solve problems. true or false

Anit [1.1K]

True

explanation: just makes sense

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3 years ago

Suppose that a discrete-time signal x(n) is processed by the system with transfer function H (z)=0.01/(z+0.99) before sent to a

PtichkaEL [24]

Answer:

Detailed solution is given below:

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3 years ago

The force of T = 20 N is applied to the cord of negligible mass. Determine the angular velocity of the 20-kg wheel when it has r

horrorfan [7]

Image of wheel is missing, so i attached it.

Answer:

ω = 14.95 rad/s

Explanation:

We are given;

Mass of wheel; m = 20kg

T = 20 N

k_o = 0.3 m

Since the wheel starts from rest, T1 = 0.

The mass moment of inertia of the wheel about point O is;

I_o = m(k_o)²

I_o = 20 * (0.3)²

I_o = 1.8 kg.m²

So, T2 = ½•I_o•ω²

T2 = ½ × 1.8 × ω²

T2 = 0.9ω²

Looking at the image of the wheel, it's clear that only T does the work.

Thus, distance is;

s_t = θr

Since 4 revolutions,

s_t = 4(2π) × 0.4

s_t = 3.2π

So, Energy expended = Force x Distance

Wt = T x s_t = 20 × 3.2π = 64π J

Using principle of work-energy, we have;

T1 + W = T2

Plugging in the relevant values, we have;

0 + 64π = 0.9ω²

0.9ω² = 64π

ω² = 64π/0.9

ω = √64π/0.9

ω = 14.95 rad/s

4 0

4 years ago

The force exerted on a vane due to a jet of water is only a function of the mass flowrate and independent of the jet velocity. a

hoa [83]

Answer:

b) false

Explanation:

We know that rate of change of momentum is called force.

Force = rate of change of momentum

$F=\dfrac{dP}{dt}$

We know that

P = m v

$\dfrac{dP}{dt}=\dfrac{dm}{dt}V$ (take velocity in constant and not changing with time)

$F=\dfrac{dm}{dt}V$

So $F=\dot{m}V$

So force exerted by jet depends on mass flow rate and velocity also.So our option b is right.

5 0

3 years ago