Equipment Heat Transfer MCQs : This section focuses on the "Equipment Heat Transfer". These Multiple Choice Questions (MCQs) should be practiced to improve the Equipment Heat Transfer skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Contamination takes place to high extend in Plate heat exchangers.
A. True, the space between plates is too less
B. False, they cannot be used for viscous liquids
C. Cannot be determined
D. True, they can be used for thin liquids only
Question 2
External heat exchangers are gaining popularity as they've several advantages over conventional methods. Still, there is a major drawback. Which among the following is it?
A. Some shear-sensitive cells might get damaged due to abrasion
B. It is difficult for pumps to withstand high temperature without leakages of the fluid
C. All of the mentioned
D. None of the mentioned
Question 3
If _______ heating has higher heat transfer rates than _______ heating, then why is ________ difficult to be used.
A. Direct, Indirect, no difficulty, they're used
B. Direct, Indirect, coil is difficult to clean and is prone to bacterial growth
C. Indirect, Direct, no difficulty, they're used
D. Indirect, Direct, coil is difficult to clean and is prone to bacterial growth
Question 4
In a jacketed vessel, the only way to increase the heat transfer rates is to increase the temperature difference.
A. TRUE
B. FALSE
Question 5
Which of the following heat exchangers are used for the quick exchange of heat?
A. Shell and tube heat exchangers
B. Plate heat exchangers
C. Scraped surface heat exchangers
D. Jacketed Vessels
Question 6
Which of the following is a parameter to be checked before choosing the shape of the pitch in heat exchangers?
A. Easiness to clean
B. High heat transfer
C. Cost
D. All of the mentioned
Question 7
Which of the following is an advantage of using pumps as heat transfer equipment?
A. No stirrer required
B. Taking them to a heat exchanger where the area used for heat transfer can be easily changed
C. No stirrer required & taking them to a heat exchanger where the area used for heat transfer can be easily changed
D. None of the mentioned
Question 8
Which of the following is true about Plate heat exchangers?
A. They're used for Ultra high temperature treatment
B. Used for high temperature and short time
C. They're used for Ultra high temperature treatment and also Used for high temperature and short time
D. None of the mentioned
Question 9
Which of the following is untrue about scraped surface heat exchangers?
A. They're unsuitable for viscous fluids
B. They're suitable for fouling fluids
C. They're used for continuous operation and have a double pipe
D. None of the mentioned
Question 10
Which of the following sentences is true?
A. Direct heating has higher heat transfer rates than indirect heating
B. Indirect heating has higher heat transfer rates than direct heating
C. Both of them have the same heat transfer rates
D. Cannot be determined