8 questions Advanced

ECADEMY test

Introduction to temperature control

This course test contains 8 questions and can be retaken at any time.

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Question 2 of 8 Advanced

What is the expected payback time of an investment in system optimisation?

Question 3 of 8 Advanced

Which of the following isn’t one of the main benefits of the CM pump range?

Question 6 of 8 Advanced

What is the ratio between the capital investment and running costs of a temperature control system?

Question 7 of 8 Advanced

How do you prevent pumps from malfunctioning when transporting hot water with a temperature of well above 120C°?

Question 8 of 8 Advanced

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Correct
Q: How have temperature control systems traditionally been regulated?
A: Constant speed pumps and throttling valves regulating the amount of water entering the heat exchanger.
Correct
Q: What is the expected payback time of an investment in system optimisation?
A: 1-12 months
Correct
Q: Which of the following isn’t one of the main benefits of the CM pump range?
A: External control
Correct
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.
Correct
Q: Why does a cooling system that uses propylene glycol as coolant demand pumps with oversized motors?
A: The viscosity and density of propylene glycol is higher than tap water.
Correct
Q: What is the ratio between the capital investment and running costs of a temperature control system?
A: 1:20
Correct
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.
Correct
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.