Ask question

Ask question

All categories

Natasha_Volkova [10]

3 years ago

15

Workers who work with what kind of chemicals chemicals may require regular medical checkups on a more frequent basis as a result

of contact

1 answer:

vazorg [7]3 years ago

8 0

Workers who work with TOXIC chemicals may require regular medical checkups on a more frequent basis as a result of contact.

You might be interested in

Given frequency, what is the formula for the period of a wave?

Veronika [31]

Answer:

f = c / λ = wave speed c (m/s) / wavelength λ (m). The formula for time is: T (period) = 1 / f (frequency). λ = c / f = wave speed c (m/s) / frequency f (Hz). The unit hertz (Hz) was once called cps = cycles per second.

Explanation:

7 0

3 years ago

Do not answer pls thank you

astra-53 [7]

The answer is answered! Explanation:

4 0

3 years ago

Read 2 more answers

Softa [21]

Answer:

Helps to accurately calculate job costs

Explanation:

please mark me as brainliest

4 0

3 years ago

A residential heat pump has a coefficient of performance of 1.49 How much heating effect, in kJ/h, will result when 4 kW is supp

AfilCa [17]

Answer:

21.456 kJ/h

Explanation:

See the figure attached. In this case

$W_{cycle} = 4 kW$

$Q_{out} = \text{heating effect}$

Coefficient of performance in heat pump is defined by

$COP = \frac{Q_{out}}{W_{cycle}}$

$Q_{out} =COP*W_{cycle}$

$Q_{out} =1.49*4 \, W$

$Q_{out} = 5.96 \, W$

Now it is necessary to change units, remember that Watt (W) is defined as J/s

$Q_{out} = 5.96 \frac{J}{s} \frac{3600s}{1 h} \frac{1 kJ}{1000 J}$

$Q_{out} = 21.456 \frac{kJ}{h}$

3 0

3 years ago

Design a calculator circuit which can perform either addition or subtraction on a 4-digit binary input and generate a 5-digit bi

uysha [10]

Answer: See attachment below

Explanation:

7 0

3 years ago