Fluid Mechanics & Thermal Sciences [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering (ME)]: Questions 24 - 27 of 910
Choose Programs:
🎯 247 Numeric, 1962 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 24
Question MCQ▾
Consider the following statements:
- Mass transfer refers to mass in transit due to a species concentration gradient in a mixture.
- Must have a mixture of two or more species for mass transfer to occur.
- The species concentration gradient is the driving potential for mass transfer.
- Mass transfer by diffusion is analogous to heat transfer by conduction.
Which of the above statements are correct?
Choices
Choice (4) | Response | |
---|---|---|
a. | 1,2, 3 and 4 | |
b. | 1,2 and 3 only | |
c. | 2,3 and 4 only | |
d. | 1,2 and 4 only |
Question 25
Question MCQ▾
Which one of the following statements is correct?
The mass defect is
Choices
Choice (4) | Response | |
---|---|---|
a. | A measure | |
b. | The difference between mass of the nucleus and sum of the masses of the nucleons | |
c. | A characteristic of certain elements | |
d. | A term used to prove the relationship between mass and energy of fission energy |
Question 26
Question MCQ▾
Consider the following statements
The reheat cycle helps to reduce
1. Fuel consumption
2. Steam flow
3. The condenser size
Which of these statements are correct?
Choices
Choice (4) | Response | |
---|---|---|
a. | 2 and 3 | |
b. | 1 and 3 | |
c. | 1 and 2 | |
d. | 1,2 and 3 |
Question 27
Question Assertion-Reason▾
Assertion(Ꭺ)
The LMTD for counter flow is larger than that of parallel flow for a given temperature of inlet and outlet.
Reason(Ꭱ)
The definition of LMTD is the same for both counter flow and parallel flow.
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is false but Ꭱ is true | |
b. | Both Ꭺ and Ꭱ are false | |
c. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
d. | Ꭺ is true but Ꭱ is false |