Temperatures) 41991
Calculate the radiator output if it has a thermal gradient (difference between inlet water and return temperatures)
a) 5 ° C
b) 10 ° C
c) 15 ° C
d) 20 ° C
A heating water volume flow is 45 kg / h. How fast the water flows in the supply pipe to the radiator
e) DN16 a
f) DN20?
The DN designation is the nominal diameter in millimeters. The tube inside diameter.
a) 5 ° C
b) 10 ° C
c) 15 ° C
d) 20 ° C
A heating water volume flow is 45 kg / h. How fast the water flows in the supply pipe to the radiator
e) DN16 a
f) DN20?
The DN designation is the nominal diameter in millimeters. The tube inside diameter.
Correct answer:

Tips for related online calculators
Do you know the volume and unit volume, and want to convert volume units?
Do you want to convert mass units?
Do you want to convert velocity (speed) units?
Do you want to convert time units like minutes to seconds?
Do you want to convert mass units?
Do you want to convert velocity (speed) units?
Do you want to convert time units like minutes to seconds?
You need to know the following knowledge to solve this word math problem:
Units of physical quantities:
Themes, topics:
Grade of the word problem:
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- Water flow
How much water flow in pipe with a diameter of 16 cm in 1 hour if the water velocity is 2.5 m/s?
- Inlet minus outlet
Water flows into the tank through two pipes and flows out of the third pipe spontaneously. Pipe A itself would fill the tank in 3 hours, pipe B itself would fill in 4 hours, and pipe C would flow out in 12 hours. How long will the tank be full if all thre
- The freezer
1. The temperature inside a freezer is minus 23 degree Celsius. The temperature falls by a further 12 degree degree Celsius. What is the new temperature? 2. What is the difference between temperatures of 12 degree Celsius and 210 degree Celsius?
- Water channel
The cross section of the water channel is a trapezoid. The width of the bottom is 19.7 m, the water surface width is 28.5 m, the side walls have a slope of 67°30' and 61°15'. Calculate how much water flows through the channel in 5 minutes if the water flo
- Water flow 2
How many litres of water will flow in 7 minutes from a cylindrical pipe 1 cm in diameter, if the water flows at a speed of 30 km per hour?
- On Sunday
On Sunday the temperature reached a high of 38° above 0. That night it dropped to 23° below 0. What is the difference between the high and low temperatures for Sunday?
- Inlet and outlet
The pool has a capacity of 50 hl. The inlet pipe flows in 1 minute 1.25 hl, and the waste pipe outlet is draining the full pool in 50 minutes. How long will it take the empty the full pool when both the inlet and outlet are opened at the same time?
- Steel tube
The steel tube has an inner diameter of 4 cm and an outer diameter of 4.8 cm. The density of the steel is 7800 kg/m³. Calculate its length if it weighs 15 kg.
- Difference in temperatures
The temperature in the number line show minus 15 degree celsius and 8 degree celsius. What is the difference between the temperatures?
- Water temperatures
To 25 liters of water at 50 °C we add 15 liters of water at a different temperature. How many °C should the water be colder than 50 °C so that 40 liters of the water obtained has a temperature 42.5 °C?
- Temperature 7477
The pool with a length of l = 50 m and a width of s = 15 m has a depth of h1 = 1.2 m at the shallowest part of the wall. The depth then gradually increases to a depth of h2 = 1.5 m in the middle of the pool. = 4.5 m walls in the deepest part of the pool.
- Simultaneously 4479
A worker would fill the tank with one inlet in 36 minutes, the other in 45 minutes. How long will it take to fill the tank if the water flows in first through the first inlet for 9 minutes and then both simultaneously?
- Block-shaped 5630
In how many hours, a block-shaped pool measuring 24 m, 12 m, and 1.8 m will be filled if it flows through a 9 cm diameter pipe at a speed of 2.5 m / s.
- Calculate 8891
Calculate the weight of a PVC pipe with an inner diameter d = 45 mm and a length l = 3 m if the wall thickness of the pipe is s = 7.5 mm. The density of PVC is ρ = 1350 kg / m³.
- The tap
For one day flows 148 l of water out of the tap. How much water will flow out for 3/4 day?
- What power
What power should the radiator have in a room 5x4 meters with a height of 3 meters? Hint: Calculate 35 watts per meter³ in case you need 22 degrees in the room but you need about 24 degrees in the bathroom. It's an old heating cheat, but it will definitel
- Simultaneously 3316
We would fill the water tank with one inlet in 36 minutes and the other in 45 minutes. How long will it take to fill the tank if water flows in first through the first inlet for 9 minutes and then both simultaneously?