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cluponka [151]
2 years ago
12

A Jackhammer uses pressurized gas to transmit force to the hammer bit. What type of mechanical system is it?

Engineering
1 answer:
WINSTONCH [101]2 years ago
8 0

Answer:

Constant Volume Forced Air system

Explanation:

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5 0
2 years ago
How does the two-stroke Otto cycle differ from the four-stroke Otto cycle?
Digiron [165]

Answer:

Two stroke cycle                                               Four stroke cycle

1.Have on power stroke in one revolution.   1.have one power  

                                                                   stroke in two  revolution                                                                            

2.Complete the cycle in 2 stroke                 2.Complete the cycle in 4 stroke    

3.It have ports                                                3.It have vales

                                                                         

4.Greater requirement of cooling              4.Lesser requirement of cooling  

5.Less thermal efficiency                            5.High thermal efficiency

6.Less volumetric efficiency                       6.High volumetric efficiency    

7.Size of flywheel is less.                           7.Size of flywheel is more.

3 0
3 years ago
Air is contained in a vertical piston–cylinder assembly such that the piston is in static equilibrium. The atmosphere exerts a p
oee [108]

Answer:

a) 24 kg

b) 32 kg

Explanation:

The gauge pressure is of the gas is equal to the weight of the piston divided by its area:

p = P / A

p = m * g / (π/4 * d^2)

Rearranging

p * (π/4 * d^2) = m * g

m = p * (π/4 * d^2) / g

m = 1200 * (π/4 * 0.5^2) / 9.81 = 24 kg

After the weight is added the gauge pressure is 2.8kPa

The mass of piston plus addded weight is

m2 = 2800 * (π/4 * 0.5^2) / 9.81 = 56 kg

56 - 24 = 32 kg

The mass of the added weight is 32 kg.

5 0
3 years ago
A 3-m-high, 11-m-wide rectangular gate is hinged at the top edge at A and is restrained by a fixed ridge at B. Determine the hyd
serg [7]

Answer:

its a

Explanation:

its a

5 0
3 years ago
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