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2 years ago

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Technician A says that the pushrods should be rotating while the engine is running if the camshaft and lifters are okay. Technic

ian B says that the camshaft rotates at one-quarter the crankshaft speed. Who is right

1 answer:

Karo-lina-s [1.5K]2 years ago

6 0

Answer:

Technician A

Explanation:

camshafts rotate at one-half the crankshaft speed

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The table below shows data of sprints of animals that traveled 75 meters. At each distance marker, the animals' times were recor

mr_godi [17]

Answer:

Explanation:

Animal 1 because it takes 3s to go 25 meters 3.5s to go 50 meters and 5s to go 75 meters while the others take longer.

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2 years ago

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The D.A.R.E. program (“Drug Abuse Resistance Education”) began in 1983. In this program, police officers taught special 45-minut

melisa1 [442]

Answer:

the correct answer is practicing refusal strategies can help students stay sober

Explanation:

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2 years ago

Water flows through a cast steel pipe (k = 50 W m.K, ε = 0.8) with an outer diameter of 104mm and 2 mm wall thickness. Calculate

masha68 [24]

Answer:

The heat loss per unit length is $\frac{Q}{L} = 2981 W/m$

Explanation:

From the question we are told that

The outer diameter of the pipe is $d = 104mm = \frac{104}{1000} = 0.104 m$

The thickness is $D = 2mm = \frac{2}{1000} = 0.002m$

The temperature of water is $T = 90^oC = 90 + 273 = 363K$

The outside air temperature is $T_a = -10^oC = -10 +273 = 263K$

The water side heat transfer coefficient is $z_1 = 300 W/ m^2 \cdot K$

The heat transfer coefficient is $z_2 = 20 W/m^2 \cdot K$

The heat lost per unit length is mathematically represented as

$\frac{Q}{L} = \frac{2 \pi (T - Ta)}{ \frac{ln [\frac{d}{D} ]}{z_1} + \frac{ln [\frac{d}{D} ]}{z_2}}$

Substituting values

$\frac{Q}{L} = \frac{2 * 3.142 (363 - 263)}{ \frac{ln [\frac{0.104}{0.002} ]}{300} + \frac{ln [\frac{0.104}{0.002} ]}{20}}$

$\frac{Q}{L} = \frac{628}{0.2107}$

$\frac{Q}{L} = 2981 W/m$

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2 years ago

An object begins x=75.2 m and undergoes a displacement of -48.7 m. what is its final position?

xz_007 [3.2K]

Answer:

26.5 m

Explanation:

$x_{o}$ = initial position of the object = 75.2 m

$x$ = final position of the object

$d$ = displacement of the object = - 48.7

Displacement of the object is given as the difference of final and initial position of the object

$d = x - x_{o}$

Inserting the values

- 48.7 = x - 75.2

x = 26.5 m

8 0

2 years ago

A hotel wants to put a fence around a circular spa. The radius of the spa is 5/√2-1 feet. If the fence is built along the immedi

Vlad [161]

It is important to look at all the information's that are given in the question very closely. Let us write them write first.

Radius of the spa = <span>5/√2-1 feet
Now
Perimeter of the circle = </span><span>2πr
= 2</span>π (5/√2-1)
= <span>π(5/(√2-1)*(√2+1)/(√2+1) </span>
<span> = 2π(5/(√2+1))/(2-1) </span>
<span> = 10π(√2+1)

I hope that the procedure is clear enough for you to understand.</span>

5 0

2 years ago