3 years ago

Select the right answer

Engineering

1 answer:

Kruka [31]3 years ago

5 0

Answer:

for 1st question the answer is 5th option.

for 2nd question the answer is 2nd option

hope it helps you mate

please mark me as brainliast

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A petrol engine produces 20 hp using 35 kW of heat transfer from burning fuel. What is its thermal efficiency, and how much powe

hoa [83]

Answer:

efficiency =42.62%

AMOUNT OF POWER REJECTED IS 20.080 kW

Explanation:

given data:

power 20 hp

heat energy = 35kW

power production = 20 hp = 20* 746 W = 14920 Watt [1 hp =746 watt]

$efficiency = \frac{power}{heat\ required}$

$efficiency = \frac{14920}{35*10^3}$

$= 0.4262*10^100$

=42.62%

b) $heat\ rejected = heat\ required - amount\ of\ power\ generated$

$= 35*10^3 - 14920$

= 20.080 kW

AMOUNT OF POWER REJECTED IS 20.080 kW

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3 years ago

If i build thing a and thing a builds thing b did i build thing b

postnew [5]

Answer:

Explanation:

If you build thing "a" and thing "a" builds thing "b" you <u>indirectly</u> build thing "b".

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2 years ago

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Answer:

Explanation:

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2 years ago

I) A sag vertical curve is to be designed to join a 4% grade to a 2% grade. If the design

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A cylindrical aluminum core is surrounded by a titanium sleeve, and both are attached at each end to a rigid end-plate. Set up t

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Complete Question

The complete question is shown on the first uploaded image

Answer:

a) The elongation of the composite bar is given as δ = 0.072 in

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Explanation:

The explanation to the answer above is shown on the second uploaded image

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2 years ago

Select the right answer​

Select the right answer