2 years ago

2. The unthreaded part of a bolt or screw is called the

Engineering

2 answers:

shepuryov [24]2 years ago

5 0

Answer:

the grip

Explanation:

aksik [14]2 years ago

3 0

Answer:

The grip

Explanation:

the head of all headed bolt (except countersunk head bolt)

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An Ideal gas is being heated in a circular duct as while flowing over an electric heater of 130 kW. The diameter of duct is 500

max2010maxim [7]

Answer: The exit temperature of the gas in deg C is $32^{o}C$ .

Explanation:

The given data is as follows.

$C_{p}$ = 1000 J/kg K, R = 500 J/kg K = 0.5 kJ/kg K (as 1 kJ = 1000 J)

$P_{1}$ = 100 kPa, $V_{1} = 15 m^{3}/s$

$T_{1} = 27^{o}C = (27 + 273) K = 300 K$

We know that for an ideal gas the mass flow rate will be calculated as follows.

$P_{1}V_{1} = mRT_{1}$

or, m = $\frac{P_{1}V_{1}}{RT_{1}}$

= $\frac{100 \times 15}{0.5 \times 300}$

= 10 kg/s

Now, according to the steady flow energy equation:

$mh_{1} + Q = mh_{2} + W$

$h_{1} + \frac{Q}{m} = h_{2} + \frac{W}{m}$

$C_{p}T_{1} - \frac{80}{10} = C_{p}T_{2} - \frac{130}{10}$

$(T_{2} - T_{1})C_{p} = \frac{130 - 80}{10}$

$(T_{2} - T_{1})$ = 5 K

$T_{2}$ = 5 K + 300 K

$T_{2}$ = 305 K

= (305 K - 273 K)

= $32^{o}C$

Therefore, we can conclude that the exit temperature of the gas in deg C is $32^{o}C$ .

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3 years ago

For an isotropic material, E and ν are often chosen as the two independent engineering constants. There are other elastic consta

pav-90 [236]

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For powder compaction using a single-action punch, derive an expression for the distribution of axial pressure within a die of r

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The path taken to move items from their origin to their destination is known as which of the following?

mrs_skeptik [129]

Answer:d

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What is the measurement of mass in motion is known as

podryga [215]

Answer:

momentum

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Mass - Mass is a measurement of how much matter is in an object. It is usually measured in kilograms. Momentum is equal to the mass times the velocity of an object. Momentum is a measurement of mass in motion

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3 years ago