1
What is the expected payback time of an investment in system optimisation?
2
Which temperature control systems hold the greatest potential for optimisation?
3
How high is the suction lift of the self-priming CM pump?
4
What is the ratio between the capital investment and running costs of a temperature control system?
5
Why is ammonia an efficient coolant?
6
Which component is often ‘the weakest link’ in centrifugal pumps?
7
How do you prevent pumps from malfunctioning when transporting hot water with a temperature of well above 120C°?
8
What is the most efficient and simple way of controlling heating, cooling and refrigeration systems?
Test results
Congratulations. You have passed the test and completed the 29 - Introduction to temperature control
Achieved badges:
01.
Q: What is the expected payback time of an investment in system optimisation?
A: 1-12 months
01.
Q: What is the expected payback time of an investment in system optimisation?
A: 1-5 years
01.
Q: What is the expected payback time of an investment in system optimisation?
A: System optimization is rarely economical valuable but should be done due to environmental concerns
02.
Q: Which temperature control systems hold the greatest potential for optimisation?
A: Temperature controlled pump in single circulation systems.
02.
Q: Which temperature control systems hold the greatest potential for optimisation?
A: Unregulated temperature control systems that do not adapt operation according to the load.
02.
Q: Which temperature control systems hold the greatest potential for optimisation?
A: Three way valve Regulated temperature control systems that adapts operation according to the load.
03.
Q: How high is the suction lift of the self-priming CM pump?
A: Up to 5 metres
03.
Q: How high is the suction lift of the self-priming CM pump?
A: Up to 8 metres
03.
Q: How high is the suction lift of the self-priming CM pump?
A: Up to 10 metres
04.
Q: What is the ratio between the capital investment and running costs of a temperature control system?
A: 20:1
04.
Q: What is the ratio between the capital investment and running costs of a temperature control system?
A: 1:1
04.
Q: What is the ratio between the capital investment and running costs of a temperature control system?
A: 1:20
05.
Q: Why is ammonia an efficient coolant?
A: Ammonia is able to absorb large amount of heat when it evaporates.
05.
Q: Why is ammonia an efficient coolant?
A: Ammonia is easy to pump.
05.
Q: Why is ammonia an efficient coolant?
A: Ammonia is a natural coolant with zero ozone depletion.
06.
Q: Which component is often ‘the weakest link’ in centrifugal pumps?
A: Shaft seal
06.
Q: Which component is often ‘the weakest link’ in centrifugal pumps?
A: O-rings
06.
Q: Which component is often ‘the weakest link’ in centrifugal pumps?
A: Flange
07.
Q: How do you prevent pumps from malfunctioning when transporting hot water with a temperature of well above 120C°?
A: Equip the pump with external cooling.
07.
Q: How do you prevent pumps from malfunctioning when transporting hot water with a temperature of well above 120C°?
A: Equip the pump with double-shaft seals or air-cooled top.
07.
Q: How do you prevent pumps from malfunctioning when transporting hot water with a temperature of well above 120C°?
A: Isolating the pump and install heat tracing.
08.
Q: What is the most efficient and simple way of controlling heating, cooling and refrigeration systems?
A: Intelligent three way valves controlling the amount of water to the pump and heat exchanger accordingly.
08.
Q: What is the most efficient and simple way of controlling heating, cooling and refrigeration systems?
A: Intelligent pumps equipped with temperature sensors that measure the outlet temperature and signal the pump to regulate its flow accordingly – without the use of valves.
08.
Q: What is the most efficient and simple way of controlling heating, cooling and refrigeration systems?
A: Thermos element three way valves controlling the amount of water to the heat exchangers.