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miss Akunina [59]
3 years ago
15

OSHA does not approve individual states to have their own safety and health program.

Engineering
2 answers:
melomori [17]3 years ago
8 0
False


You can have your own
agasfer [191]3 years ago
5 0
False doesn’t have to be exact
You might be interested in
What was the role of the rotors in the enigma machine?.
Lisa [10]

Answer:

Implements a reordering of the letters of the alphabet.

Explanation: GIVE ME 5 STARS AND a HEART!!!                                      Those contacts are wired across the rotor so that each contact on the left connects to the contact on the right in some scrambled arrangement. Each rotor, therefore, implements a reordering of the letters of the alphabet, which mathematicians call a permutation.

3 0
2 years ago
The Air Force One (Boeing 747-200) has a long-range mission takeoff gross load 833,000 pounds (Ibm). What is Air Force One's tak
Ahat [919]

Answer:

The mass in:

1) Grams =377765.5\times 10^{3}grams

2) Kilograms =377765.5kilograms

3)Tonnes =377.7655tonnes

4) Megatonnes =0.378megatonnes

Explanation: The given mass of the aircraft in pounds is 833,000 pounds.

Part 1)

Since we know that 1 pound equals 453.5 grams thus by ratio we have

833,000 pounds =833000lb\times 453.5\frac{g}{lb}=377765.5\times 10^{3}grams

Part 2)

Since we know that 1000 grams equals 1 kilogram

thus the above mass in kilograms equals\frac{377765.5\times 10^{3}}{1000}=377765.5kg

Part 3)

Since there are 1000 kilograms in 1 tonne

thus the given mass is converted into tonnes as

mass_{tonnes}=\frac{377765.5kg}{1000}=377.765tonnes

Part 4)

Since 1 Mega tonne(Mton) equals 1000 tonnes thus the given mass is converted into mega tonnes as

mass_{M\cdot tonn}=\frac{377.7655tonnes}{1000}=0.378Megatonnes

4 0
3 years ago
Iven & Find: Compare the average heat transfer coefficients for three different fluids. In all cases the length of the plate
Aleonysh [2.5K]

Answer:

attached below

Explanation:

SO AS WE CAN SEE FOR GASES THE CONVECTIVE HEAT TRANSFER COEFFICIENT HAS VERY LOW VALUE WITH RESPECT TO LIQUID THATS WHY WE USE FIND TO MAXIMIZE HEAT TRANSFER RATE WITH GASES AS A CONVECTIVE MEDIUM.

8 0
3 years ago
Major difference between cross belt and open belt drives​
pav-90 [236]

Answer:

The belt in an open belt drive travels from one pulley's top to the top of another without intersecting. In cross belt drive, the belt crosses itself by moving from the top of one pulley to the bottom of another. Every revolution, the entire belt remains in the same plane.

Hope this helps!!!

8 0
2 years ago
A freezer compartment is covered with a 3-mm-thick layer of frost at the time it malfunctions. If the compartment is in ambient
Naddik [55]

Answer:

3h12min

Explanation:

We need to apply our thermodynamics concepts to find the required time in which the ice will melt at a given temperature.

In our data we have defined that,

\rho_f = 700kg/m^3

hs_f = 334kJ/kg

Performing an energy balance you have to:

E_{in} - E_{out} = E_{T}

Internal energy is given by,

qA_sdt = dU

A_s*h(T_{\infty}-T_f)dt = -\rho_f A_shs_fdx

Integrating,

h(T_{\infty}-T_f)\int\limit^{t_m}_0dt = -\rho_fhs_f\int^0_{x_0}dx

t_m = \frac{\rho hs_fx_0}{h(T_{\infty}-T_f)}

Replacing the values,

t_m = \frac{(700)(334*10^3)(0.002)}{2(20-0)}

t_m = 11.690s

t_m \approx 3h12min

<em>Note: It was assumed that fros is isothermal and the radiation exchange is also negligible.</em>

4 0
3 years ago
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